UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
FORM 10-Q
x
Quarterly report pursuant to Section 13 or 15 (d) of the Securities Exchange Act of 1934
For the quarterly period ended June 30, 2015
or
¨
Transition report pursuant to Section 13 or 15 (d) of the Securities Exchange Act of 1934
For the transition period from              to             
Commission file number: 0-27756
 
ALEXION PHARMACEUTICALS, INC.
(Exact Name of Registrant as Specified in Its Charter)
Delaware
13-3648318
(State or Other Jurisdiction of Incorporation or Organization)
(I.R.S. Employer Identification No.)
 
352 Knotter Drive, Cheshire Connecticut 06410
(Address of Principal Executive Offices) (Zip Code)
203-272-2596
(Registrant’s telephone number, including area code)
N/A
(Former name, former address, and former fiscal year, if changed since last report)

 

 
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  ¨
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x   No  ¨
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. Check One:
Large accelerated filer  x   Accelerated filer  ¨    Non-accelerated filer  ¨ (Do not check if a smaller reporting company)
Smaller reporting company  ¨
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x
Common Stock, $0.0001 par value
226,154,636
Class
Outstanding as of July 29, 2015










 
Alexion Pharmaceuticals, Inc.
Contents

 
PART I.
FINANCIAL INFORMATION
Page
 
Item 1.
Condensed Consolidated Financial Statements (Unaudited)
 
 
 
 
 
 
 
 
 
 
 
 
Item 2.
 
Item 3.
 
Item 4.
PART II.
 
Item 1.
 
Item 1A.
 
Item 2.
 
Item 5.
 
Item 6.
SIGNATURES
 
 



Alexion Pharmaceuticals, Inc.
Condensed Consolidated Balance Sheets
(unaudited)
(amounts in thousands, except per share amounts)
 
 
June 30,
 
December 31,
 
2015
 
2014
Assets
 
 
 
Current Assets:
 
 
 
Cash and cash equivalents
$
1,322,123

 
$
943,999

Marketable securities
172,229

 
1,017,567

Trade accounts receivable, net
535,824

 
432,888

Inventories
234,347

 
176,441

Prepaid expenses and other current assets
268,715

 
225,134

Total current assets
2,533,238

 
2,796,029

Property, plant and equipment, net
555,388

 
392,248

Intangible assets, net
4,824,520

 
587,046

Goodwill
5,007,142

 
254,073

Other assets
247,431

 
172,566

Total assets
$
13,167,719

 
$
4,201,962

Liabilities and Stockholders' Equity
 
 
 
Current Liabilities:
 
 
 
Accounts payable
$
47,039

 
$
44,016

Accrued expenses
407,345

 
395,232

Deferred revenue
88,366

 
58,837

Current portion of long-term debt
131,250

 
48,000

Deferred tax liabilities
42,018

 
12,476

Other current liabilities
53,151

 
48,179

Total current liabilities
769,169

 
606,740

Long-term debt, less current portion
3,368,750

 
9,500

Facility lease obligation
129,560

 
107,099

Contingent consideration
129,546

 
116,425

Other liabilities
217,823

 
60,180

Total liabilities
4,614,848

 
899,944

Commitments and contingencies (Note 18)

 

Stockholders' Equity:
 
 
 
Preferred stock, $0.0001 par value; 5,000 shares authorized, no shares issued or outstanding

 

Common stock, $0.0001 par value; 290,000 shares authorized; 229,371 and 201,944 shares issued at June 30, 2015 and December 31, 2014, respectively
23

 
20

Additional paid-in capital
7,659,311

 
2,592,167

Treasury stock, at cost, 3,354 and 2,888 shares at June 30, 2015 and December 31, 2014, respectively
(466,527
)
 
(382,964
)
Accumulated other comprehensive loss
62,516

 
56,785

Retained earnings
1,297,548

 
1,036,010

Total stockholders' equity
8,552,871

 
3,302,018

Total liabilities and stockholders' equity
$
13,167,719

 
$
4,201,962


The accompanying notes are an integral part of these condensed consolidated financial statements.

2


Alexion Pharmaceuticals, Inc.
Condensed Consolidated Statements of Operations
(unaudited)
(amounts in thousands, except per share amounts)
 
 
Three months ended June 30,
 
Six months ended June 30,
 
2015
 
2014
 
2015
 
2014
Net product sales
$
635,983

 
$
512,495

 
$
1,236,316

 
$
1,079,111

Other revenue
227

 

 
227

 

Total revenues
636,210

 
512,495

 
1,236,543

 
1,079,111

Cost of sales
52,007

 
39,626

 
121,406

 
72,565

Operating expenses:
 
 
 
 
 
 
 
Research and development
131,693

 
92,554

 
352,773

 
284,011

Selling, general and administrative
221,383

 
159,477

 
408,499

 
288,768

Impairment of intangible asset

 

 

 
3,464

Acquisition-related costs
33,821

 
1,989

 
45,800

 
1,951

Restructuring expenses
16,224

 

 
23,276

 

Total operating expenses
403,121

 
254,020

 
830,348

 
578,194

Operating income
181,082

 
218,849

 
284,789

 
428,352

Other income and expense:
 
 
 
 
 
 
 
Investment income
2,226

 
1,714

 
5,110

 
3,927

Interest expense
(3,971
)
 
(715
)
 
(4,622
)
 
(1,778
)
Foreign currency (loss) gain
(2,045
)
 
(1,202
)
 
(1,040
)
 
56

Income before income taxes
177,292

 
218,646

 
284,237

 
430,557

Income tax provision
7,077

 
52,151

 
22,699

 
104,708

Net income
$
170,215

 
$
166,495

 
$
261,538

 
$
325,849

Earnings per common share
 
 
 
 
 
 
 
Basic
$
0.84

 
$
0.84

 
$
1.30

 
$
1.65

Diluted
$
0.83

 
$
0.83

 
$
1.29

 
$
1.62

Shares used in computing earnings per common share
 
 
 
 
 
 
 
Basic
202,234

 
197,880

 
200,806

 
197,838

Diluted
204,546

 
201,524

 
203,302

 
201,715

 
 
 
 
 
 
 
 

The accompanying notes are an integral part of these condensed consolidated financial statements.

3


Alexion Pharmaceuticals, Inc.
Condensed Consolidated Statements of Comprehensive Income
(unaudited)
(amounts in thousands)

 
Three months ended June 30,
 
Six months ended June 30,
 
2015
 
2014
 
2015
 
2014
Net income
$
170,215

 
$
166,495

 
$
261,538

 
$
325,849

Other comprehensive income (loss), net of tax:
 
 
 
 
 
 
 
Foreign currency translation
1,170

 
46

 
(4,218
)
 
552

Unrealized (losses) gains on marketable securities
(803
)
 
299

 
254

 
1,110

Unrealized losses on pension obligation
(7,193
)
 
(2,685
)
 
(7,445
)
 
(2,685
)
Unrealized (losses) gains on hedging activities, net of tax of $(27,623), $(526), $11,010 and $(1,771), respectively
(50,147
)
 
(3,675
)
 
17,140

 
(8,570
)
Other comprehensive (loss) income, net of tax
(56,973
)
 
(6,015
)
 
5,731

 
(9,593
)
Comprehensive income
$
113,242

 
$
160,480

 
$
267,269

 
$
316,256


The accompanying notes are an integral part of these condensed consolidated financial statements.


4


Alexion Pharmaceuticals, Inc.
Condensed Consolidated Statements of Cash Flows
(unaudited)
(amounts in thousands)
 
 
Six months ended June 30,
 
2015
 
2014
Cash flows from operating activities:
 
 
 
Net income
$
261,538

 
$
325,849

Adjustments to reconcile net income to net cash flows from operating activities:
 
 
 
Depreciation and amortization
23,141

 
19,042

Impairment of intangible asset

 
3,464

Change in fair value of contingent consideration
16,023

 
1,951

Share-based compensation expense
109,797

 
52,254

Premium amortization of available-for-sale securities
5,690

 
8,163

Deferred taxes
(3,565
)
 
(112,425
)
Reduction in taxes payable due to excess tax benefit from stock options
(10,763
)
 
(254,547
)
Unrealized foreign currency gain
(10,434
)
 
(4,046
)
Other
404

 
309

Changes in operating assets and liabilities, excluding the effect of acquisitions:
 
 
 
Accounts receivable
(108,984
)
 
(9,179
)
Inventories
4,722

 
(34,972
)
Prepaid expenses and other assets
(48,069
)
 
(17,815
)
Accounts payable, accrued expenses and other liabilities
(10,761
)
 
78,298

Deferred revenue
32,517

 
18,749

Net cash provided by operating activities
261,256

 
75,095

Cash flows from investing activities:
 
 
 
Purchases of available-for-sale securities
(187,416
)
 
(278,134
)
Proceeds from maturity or sale of available-for-sale securities
1,030,825

 
275,946

Purchases of trading securities
(3,769
)
 
(1,765
)
Purchases of other investments

 
(25,000
)
Purchases of property, plant and equipment
(130,171
)
 
(61,189
)
Payment for acquisition of business, net of cash acquired
(3,939,268
)
 

Other
1,410

 
26

Net cash used in investing activities
(3,228,389
)
 
(90,116
)
Cash flows from financing activities:
 
 
 
Debt issuance costs
(45,492
)
 

Proceeds from revolving credit facility
200,000

 

Proceeds from term loan
3,500,000

 

Payments on revolving credit facility
(200,000
)
 

Payments on term loan
(57,500
)
 
(31,500
)
Equity issuance costs for shares issued in connection with acquisition of business
(3,864
)
 

Excess tax benefit from stock options
10,763

 
254,547

Repurchase of common stock
(83,563
)
 
(178,515
)
Net proceeds from the exercise of stock options
31,684

 
52,181

Other
(613
)
 
(81
)
Net cash provided by financing activities
3,351,415

 
96,632

Effect of exchange rate changes on cash
(6,158
)
 
577

Net change in cash and cash equivalents
378,124

 
82,188

Cash and cash equivalents at beginning of period
943,999

 
529,857

Cash and cash equivalents at end of period
$
1,322,123

 
$
612,045

 
 
 
 
Supplemental cash flow disclosures from investing and financing activities:
 
 
 
Common stock issued in acquisition of business
$
4,917,849

 
$

Construction in process related to facility lease obligation
$
19,065

 
$
27,284

Accrued expenses for purchases of property, plant and equipment
$
21,299

 
$

The accompanying notes are an integral part of these condensed consolidated financial statements.

5

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)






1.
Business
Alexion Pharmaceuticals, Inc. (Alexion, the Company, we, our or us) is a biopharmaceutical company focused on serving patients with devastating and rare disorders through the innovation, development and commercialization of life-transforming therapeutic products. Our marketed product Soliris® is the first and only therapeutic approved for patients with either of two severe and ultra-rare disorders resulting from chronic uncontrolled activation of the complement component of the immune system: paroxysmal nocturnal hemoglobinuria (PNH), a life-threatening and ultra-rare genetic blood disorder, and atypical hemolytic uremic syndrome (aHUS), a life-threatening and ultra-rare genetic disease.
We are also establishing a global metabolic rare disease franchise with the development of two late-stage therapies, Strensiq® (asfotase alfa) for the treatment of hypophasphatasia (HPP) and Kanuma® (Sebelipase alfa) for the treatment of lysosomal acid lipase deficiency (LAL-D). HPP is a genetic ultra-rare disease characterized by defective bone mineralization that can lead to deformity of bones and other skeletal abnormalities. LAL-D is a serious, life threatening ultra-rare disease in which genetic mutations result in decreased activity of the LAL enzyme leading to marked accumulation of lipids in vital organs, blood vessels and other tissues.
We are also evaluating additional potential indications for Soliris in other severe and devastating diseases in which uncontrolled complement activation is the underlying mechanism, and we are progressing in various stages of development with additional product candidates as potential treatments for patients with severe and life-threatening rare disorders.
We were incorporated in 1992 and began commercial sale of Soliris in 2007.

2.
Basis of Presentation and Principles of Consolidation
The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements. These accounting principles were applied on a basis consistent with those of the consolidated financial statements contained in the Company's Annual Report on Form 10-K for the year ended December 31, 2014. In our opinion, the accompanying unaudited consolidated financial statements include all adjustments, consisting of normal recurring accruals, necessary for a fair presentation of our financial statements for interim periods in accordance with accounting principles generally accepted in the United States. The condensed consolidated balance sheet data as of December 31, 2014 was derived from audited financial statements but does not include all disclosures required by accounting principles generally accepted in the United States. These interim financial statements should be read in conjunction with the audited financial statements for the year ended December 31, 2014 included in our Annual Report on Form 10-K. The results of operations for the three and six months ended June 30, 2015 are not necessarily indicative of the results to be expected for the full year.
The financial statements of our subsidiaries with functional currencies other than the U.S. dollar are translated into U.S. dollars using period-end exchange rates for assets and liabilities, historical exchange rates for stockholders' equity and weighted average exchange rates for operating results. Translation gains and losses are included in accumulated other comprehensive income (loss), net of tax, in stockholders' equity. Foreign currency transaction gains and losses are included in the results of operations in other income and expense.
The accompanying unaudited condensed consolidated financial statements include the accounts of Alexion Pharmaceuticals, Inc. and its subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.
Our significant accounting policies are described in Note 1 of the Notes to the Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2014.

New Accounting Pronouncements
In May 2014, the Financial Accounting Standards Board (FASB) issued a comprehensive new standard which amends revenue recognition principles and provides a single set of criteria for revenue recognition among all industries. The new standard provides a five step framework whereby revenue is recognized when promised goods or services are transferred to a customer at an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The standard also requires enhanced disclosures pertaining to revenue recognition in both interim and annual periods. The standard is effective for interim and annual periods beginning after December 15, 2017 and allows for adoption using a full retrospective method, or a modified retrospective method. Entities are also allowed to early adopt the standard for annual

6

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





periods beginning after December 15, 2016. We are currently assessing the method of adoption and the expected impact the new standard has on our financial position and results of operations.
In April 2015, the FASB issued a new standard simplifying the presentation of debt issuance costs. The new standard aligns the treatment of debt issuance costs with debt discounts and premiums and requires debt issuance costs be presented as a direct deduction from the carrying amount of the related debt. The standard is effective for interim and annual periods beginning after December 15, 2015, with early adoption permitted, and requires a retrospective method of adoption. We will adopt the provisions of the guidance for the balance sheet disclosures of debt issuance costs in 2016.

3.
Acquisitions

Acquisition of Synageva BioPharma Corp.
On May 6, 2015, we announced that we entered into a definitive agreement to acquire Synageva BioPharma Corp. (Synageva), a publicly-held clinical-stage biotechnology company based in Lexington, Massachusetts for per share consideration of $115 in cash and 0.6581 shares of Alexion stock. At this date, the announced purchase consideration was estimated at approximately $8,400,000, net of Synageva cash, based on the closing price of Alexion stock on May 5, 2015 of $168.55.
On June 22, 2015, we completed the acquisition of Synageva, in a transaction accounted for under the acquisition method of accounting for business combinations. Under the acquisition method of accounting, the assets acquired and liabilities assumed from Synageva were recorded as of the acquisition date at their respective fair values. Synageva's results of operations are included in the consolidated financial statements from the date of acquisition. The acquisition was intended to further our objective to develop and commercialize life-transforming therapies to an increasing number of patients with devastating and rare diseases. Synageva's lead product candidate, Kanuma™ (sebelipase alfa), is an enzyme replacement therapy for patients suffering with LAL-D, a life-threatening, ultra-rare disease for which there are no approved treatments.
We acquired all of the outstanding shares of common stock of Synageva for $4,565,485 in cash and 26,125 shares of common stock. At closing of the business combination on June 22, 2015, the purchase consideration was approximately $8,860,000, net of Synageva cash, based Alexion's closing share price on the date of acquisition of $188.24. We financed the cash consideration with existing cash and proceeds from our new credit facility described further in Note 6.
The aggregate consideration to acquire Synageva consisted of:
Stock consideration
$
4,917,849

Cash consideration
4,565,485

Total purchase price
$
9,483,334

The following table summarizes the estimated fair values of assets acquired and liabilities assumed:
Cash
$
626,217

Inventory
61,710

Other current assets
13,761

In-process research and development (IPR&D)
4,236,000

Other noncurrent assets
278,584

Assets acquired
5,216,272

Deferred tax liability
(179,212
)
Other liabilities assumed
(306,795
)
Liabilities assumed
(486,007
)
Goodwill
4,753,069

Total purchase price
$
9,483,334


7

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





Our accounting for this acquisition is preliminary. The fair value estimates for the assets acquired and liabilities assumed were based upon preliminary calculations, and our estimates and assumptions are subject to change as we obtain additional information for our estimates during the measurement period (up to one year from the acquisition date). The primary areas of these preliminary estimates that are not yet finalized relate to certain tangible assets and liabilities acquired, identifiable intangible assets and tax-related items.
We acquired $61,710 of Kanuma (sebelipase alfa) inventory produced for commercial sale that is awaiting regulatory approval. The estimated fair value of work-in-process and finished goods inventory was determined utilizing the comparative sales method, based on the expected selling price of the inventory, adjusted for incremental costs to complete the manufacturing process and for direct selling efforts, as well as for a reasonable profit allowance. The estimated fair value of raw material inventory was valued at replacement cost, which is equal to the value a market participant would pay to acquire the inventory.
Intangible assets associated with IPR&D projects primarily relate to Synageva's lead product candidate, Kanuma (sebelipase alfa). The estimated fair value of IPR&D assets of $4,236,000 was determined using the multi-period excess earnings method, a variation of the income approach. The multi-period excess earnings method estimates the value of an intangible asset equal to the present value of the incremental after-tax cash flows attributable to that intangible asset. The fair value using the multi-period excess earnings method was dependent on an estimated weighted average cost of capital for Synageva of 10.0%, which represents a rate of return that a market participant would expect for these assets.
The excess of purchase price over the fair value amounts of the assets acquired and liabilities assumed represents the goodwill amount resulting from the acquisition. The goodwill, which is not tax-deductible, has been recorded as a noncurrent asset and is not amortized, but is subject to an annual review for impairment. The goodwill represents future economic benefits arising from other assets acquired that could not be individually identified and separately recognized and expected synergies that are specific to our business and not available to market participants, including our unique ability to commercialize therapies for rare diseases, our existing relationships with specialty physicians who can identify patients with LAL-D and a global distribution network to facilitate immediate drug delivery and other benefits that we believe will result from combining the operations of Synageva within our operations.
We recorded a net deferred tax liability of $179,212. This amount was primarily comprised of $586,720 and $22,393, of deferred tax liabilities related to the IPR&D and inventory acquired, respectively, offset by $231,281 and $198,620 of deferred tax assets related to NOLs and tax credits, respectively, which we expect to utilize.
For the three and six months ended June 30, 2015, we recorded $4,862 of operating expenses associated with the continuing operations of Synageva in our condensed consolidated statements of operations.
Pro forma financial information (unaudited)
The following unaudited pro forma information presents the combined results of Alexion and Synageva as if the acquisition of Synageva had been completed on January 1, 2014, with adjustments to give effect to pro forma events that are directly attributable to the acquisition. The unaudited pro forma results do not reflect operating efficiencies or potential cost savings which may result from the consolidation of operations. Accordingly, the unaudited pro forma financial information is not necessarily indicative of the results of operations that would have had we completed the transaction on January 1, 2014.
 
Three months ended
 
Six months ended
 
June 30, 2015
 
June 30, 2014
 
June 30, 2015
 
June 30, 2014
Pro forma revenue
$
637,491

 
$
514,838

 
$
1,238,751

 
$
1,083,040

Pro forma net income
98,568

 
116,251

 
130,289

 
69,393

Earnings per common share
 
 
 
 
 
 
 
     Basic
$
0.44

 
$
0.52

 
$
0.58

 
$
0.31

     Diluted
$
0.43

 
$
0.51

 
$
0.57

 
$
0.30

The unaudited pro forma consolidated results include the following pro forma adjustments related to non-recurring activity:
Alexion and Synageva expenses of $33,150 and $127,290, respectively, associated with the accelerated vesting of stock based compensation as a result of the acquisition were excluded from net income for the three and six months ended June 30, 2015. These expenses were included in net income for the six months ended June 30, 2014;

8

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





Alexion and Synageva acquisition-related and restructuring costs of $40,099 and $62,071, respectively, were excluded from income for the three and six months ended June 30, 2015. These expenses were included in net income for the six months ended June 30, 2014.

Acquisition-Related Costs
Acquisition-related costs associated with our business combinations for the three and six months ended June 30, 2015 and 2014 include the following:
 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2015
 
2014
 
2015
 
2014
Transaction costs (1)
$
26,799

 
$

 
$
26,799

 
$

Integration costs
2,978

 

 
2,978

 

Changes in fair value of contingent consideration
4,044

 
1,989

 
16,023

 
1,951

 
$
33,821

 
$
1,989

 
$
45,800

 
$
1,951

 
 
 
 
 
 
 
 
(1) Transaction costs include investment advisory, legal, and accounting fees
 
The acquisition of Synageva also resulted in $10,322 of restructuring related charges for the three and six months ended June 30, 2015. See Note 19 for additional details.

4.
Inventories
Inventories are stated at the lower of cost or estimated realizable value. We determine the cost of inventory using the weighted-average cost method.
The components of inventory are as follows:
 
June 30,
 
December 31,
 
2015
 
2014
Raw materials
$
21,287

 
$
14,570

Work-in-process
99,575

 
107,170

Finished goods
113,485

 
54,701

 
$
234,347

 
$
176,441


As of June 30, 2015 and December 31, 2014, we capitalized $79,154 and $22,005, respectively, of inventory produced for commercial sale for products awaiting regulatory approval, respectively. Included in this amount as of June 30, 2015, is $61,710 of Kanuma (sebelipase alfa) inventory.
In the first quarter 2015, we recorded an expense of $24,352 associated with a portion of a single manufacturing campaign at a third party manufacturer for Strensiq™ (asfotase alfa). The costs are comprised of raw materials, internal overhead and external production costs.



9

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





5.
Intangible Assets and Goodwill
The following table summarizes the carrying amount of our intangible assets and goodwill, net of accumulated amortization: 
 
 
June 30, 2015
 
December 31, 2014
Licenses, patents and purchased technology, net
 
$
1,520

 
$
46

Acquired IPR&D
 
4,823,000

 
587,000

Intangible assets
 
$
4,824,520

 
$
587,046

Goodwill
 
$
5,007,142

 
$
254,073

During the second quarter 2015, we recorded indefinite-lived intangible assets of $4,236,000 of purchased IPR&D from our acquisition of Synageva.
The following table summarizes the changes in the carrying amount of goodwill:
Balance at December 31, 2014
$
254,073

Goodwill resulting from the Synageva acquisition
4,753,069

Balance at June 30, 2015
$
5,007,142


6.
Debt
On June 22, 2015, Alexion entered into a credit agreement (Credit Agreement) with a syndicate of banks, which provides for a $3,500,000 term loan facility and a $500,000 revolving credit facility maturing in five years. Borrowings under the term loan are payable in quarterly installments equal to 1.25% of the original loan amount, beginning December 31, 2015. Final repayment of the term loan and revolving credit loans are due on June 22, 2020. In addition to borrowings in which prior notice is required, the revolving credit facility includes a sublimit of $100,000 in the form of letters of credit and borrowings on same-day notice, referred to as swingline loans, of up to $25,000. Borrowings can be used for working capital requirements, acquisitions and other general corporate purposes. With the consent of the lenders and the administrative agent, and subject to satisfaction of certain conditions, we may increase the term loan facility and/or the revolving credit facility in an amount that does not cause our consolidated net leverage ratio to exceed the maximum allowable amount.
Under the Credit Agreement we may elect that the loans under the Credit Agreement bear interest at a rate per annum equal to either a base rate or a Eurodollar rate plus, in each case, an applicable margin. The applicable margins on base rate loans range from 0.25% to 1.00% and the applicable margins on Eurodollar loans range from 1.25% to 2.00%, in each case depending upon our consolidated net leverage ratio (as calculated in accordance with the Credit Agreement).
Our obligations under the credit facilities are guaranteed by certain of Alexion's foreign and domestic subsidiaries and secured by liens on certain of Alexion's and its subsidiaries' equity interests, subject to certain exceptions.
The Credit Agreement requires us to comply with certain financial covenants on a quarterly basis. Further, the Credit Agreement includes negative covenants, subject to exceptions, restricting or limiting our ability and the ability of our subsidiaries to, among other things, incur additional indebtedness, grant liens, and engage in certain investment, acquisition and disposition transactions. The Credit Agreement also contains customary representations and warranties, affirmative covenants and events of default, including payment defaults, breach of representations and warranties, covenant defaults and cross defaults. If an event of default occurs, the interest rate would increase and the administrative agent would be entitled to take various actions, including the acceleration of amounts due under the loan.
In connection with entering into the Credit Agreement, we paid $45,492 in financing costs which are being amortized as interest expense over the life of the debt.
In connection with the acquisition of Synageva in June 2015, we borrowed $3,500,000 under the term loan facility and $200,000 under the revolving facility, and we used our available cash for the remaining cash consideration. In June 2015, we repaid the revolving facility in full. At June 30, 2015, we had $3,500,000 outstanding on the term loan and zero outstanding on the revolving facility. At June 30, 2015, we had open letters of credit of $5,672, and our borrowing availability under the revolving facility was $494,328.
The fair value of our long term debt, which is measured using Level 2 inputs, approximates book value.

10

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





On June 22, 2015, in connection with, and simultaneously with, the execution of the Credit Agreement described above, the 2012 Credit Agreement (Prior Credit Agreement) dated February 7, 2012 was terminated, and outstanding borrowings of $33,500 were repaid.

7.
Earnings Per Common Share
Basic earnings per common share (EPS) is computed by dividing net income by the weighted-average number of shares of common stock outstanding. For purposes of calculating diluted EPS, the denominator reflects the potential dilution that could occur if stock options, unvested restricted stock, unvested restricted stock units or other contracts to issue common stock were exercised or converted into common stock, using the treasury stock method.
The following table summarizes the calculation of basic and diluted EPS for the three and six months ended June 30, 2015 and 2014:
 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2015
 
2014
 
2015
 
2014
Net income used for basic and diluted calculation
$
170,215

 
$
166,495

 
$
261,538

 
$
325,849

Shares used in computing earnings per common share—basic
202,234

 
197,880

 
200,806

 
197,838

Weighted-average effect of dilutive securities:
 
 
 
 
 
 
 
Stock awards
2,312

 
3,644

 
2,496

 
3,877

Shares used in computing earnings per common share—diluted
204,546

 
201,524

 
203,302

 
201,715

Earnings per common share:
 
 
 
 

 

Basic
$
0.84

 
$
0.84

 
$
1.30

 
$
1.65

Diluted
$
0.83

 
$
0.83

 
$
1.29

 
$
1.62

We exclude from EPS the weighted-average number of securities whose effect is anti-dilutive. Excluded from the calculation of EPS for the three and six months ended June 30, 2015 were 2,435 and 2,387 shares of common stock, respectively, because their effect is anti-dilutive. Similarly, we excluded 1,698 and 1,151 shares from the calculation of EPS for the three and six months ended June 30, 2014, respectively, because their effect was anti-dilutive.
 
8.
Marketable Securities

The amortized cost, gross unrealized holding gains, gross unrealized holding losses and estimated fair value of available-for-sale investments by type of security at June 30, 2015 and December 31, 2014 were as follows:
 
 
June 30, 2015
 
 
Amortized Cost
 
Gross Unrealized Holding Gains
 
Gross Unrealized Holding Losses
 
Estimated Fair Value
Commercial paper
 
$
44,921

 
$

 
$

 
$
44,921

Corporate bonds
 
88,828

 
59

 
(21
)
 
88,866

Municipal bonds
 
57,519

 
6

 
(2
)
 
57,523

Other government-related obligations:
 
 
 
 
 
 
 
 
U.S.
 
8,399

 

 

 
8,399

Foreign
 
49,464

 
17

 
(15
)
 
49,466

Bank certificates of deposit
 
33,550

 

 

 
33,550

 
 
$
282,681

 
$
82

 
$
(38
)
 
$
282,725


11

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)






 
 
December 31, 2014
 
 
Amortized Cost Basis
 
Gross Unrealized Holding Gains
 
Gross Unrealized Holding Losses
 
Aggregate Fair Value
Commercial paper
 
$
142,495

 
$

 
$

 
$
142,495

Corporate bonds
 
494,032

 
415

 
(581
)
 
493,866

Municipal bonds
 
174,759

 
132

 
(46
)
 
174,845

Other government-related obligations:
 
 
 
 
 
 
 
 
U.S.
 
99,668

 
14

 
(71
)
 
99,611

Foreign
 
193,439

 
100

 
(174
)
 
193,365

Bank certificates of deposit
 
77,000

 

 

 
77,000

 
 
$
1,181,393

 
$
661

 
$
(872
)
 
$
1,181,182


The aggregate fair value of available-for-sale securities in an unrealized loss position as of June 30, 2015 and December 31, 2014 was $68,024 and $472,241, respectively. Investments that have been in a continuous unrealized loss position for more than 12 months are not material. As of June 30, 2015, we believe that the cost basis of our available-for-sale investments is recoverable.
The fair values of available-for-sale securities by classification in the condensed consolidated balance sheet were as follows:
 
June 30, 2015
December 31, 2014
Cash and cash equivalents
$
118,193

$
167,892

Marketable securities
164,532

1,013,290

 
$
282,725

$
1,181,182


The fair values of available-for-sale debt securities at June 30, 2015, by contractual maturity, are summarized as follows:
 
June 30, 2015
Due in one year or less
$
250,374

Due after one year through three years
32,351

 
$
282,725


As of June 30, 2015 and December 31, 2014, the fair value of our trading securities was $7,697 and $4,277, respectively.
We utilize the specific identification method in computing realized gains and losses. Realized gains and losses on our available-for-sale and trading securities were not material for the three and six months ended June 30, 2015 and 2014.

9.
Derivative Instruments and Hedging Activities
We operate internationally and, in the normal course of business, are exposed to fluctuations in foreign currency exchange rates. The exposures result from portions of our revenues, as well as the related receivables, and expenses that are denominated in currencies other than the U.S. dollar, primarily the Euro and Japanese Yen. We manage our foreign currency transaction risk within specified guidelines through the use of derivatives. All of our derivative instruments are utilized for risk management purposes, and we do not use derivatives for speculative trading purposes.
We enter into foreign exchange forward contracts, with durations of up to 60 months, to hedge exposures resulting from portions of our forecasted revenues, including intercompany revenues, that are denominated in currencies other than the U.S. dollar. The purpose of these hedges is to reduce the volatility of exchange rate fluctuations on our operating results and to increase the visibility of the foreign exchange impact on forecasted revenues. These hedges are designated as cash flow hedges

12

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





upon contract inception. At June 30, 2015, we had open contracts with notional amounts totaling $1,843,491 that qualified for hedge accounting.
The impact on accumulated other comprehensive income (AOCI) and earnings from foreign exchange contracts that qualified as cash flow hedges, for the three and six months ended June 30, 2015 and 2014 were as follows:
 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2015
 
2014
 
2015
 
2014
(Loss) gain recognized in AOCI, net of tax
$
(22,221
)
 
$
(4,119
)
 
$
71,588

 
$
(8,063
)
Gain (loss) reclassified from AOCI to net product sales (effective portion), net of tax
$
27,670

 
$
(608
)
 
$
53,117

 
$
500

Gain reclassified from AOCI to other income and expense (ineffective portion), net of tax
$
256

 
$
164

 
$
1,331

 
$
7

Assuming no change in foreign exchange rates from market rates at June 30, 2015, $84,046 of gains recognized in AOCI will be reclassified to revenue over the next 12 months.
We enter into foreign exchange forward contracts, with durations of approximately 30 days, designed to limit the balance sheet exposure of monetary assets and liabilities. We enter into these hedges to reduce the impact of fluctuating exchange rates on our operating results. Hedge accounting is not applied to these derivative instruments as gains and losses on these hedge transactions are designed to offset gains and losses on underlying balance sheet exposures. As of June 30, 2015, the notional amount of foreign exchange contracts where hedge accounting is not applied was $184,392.
We recognized a (loss) gain of $(6,660) and $(1,640), in other income and expense, for the three months ended June 30, 2015 and 2014, respectively, and $(237) and $649, for the six months ended June 30, 2015 and 2014, respectively, associated with the foreign exchange contracts not designated as hedging instruments. These amounts were largely offset by gains or losses in monetary assets and liabilities.
The following tables summarize the fair value of outstanding derivatives at June 30, 2015 and December 31, 2014: 

 
June 30, 2015
 
Asset Derivatives
 
Liability Derivatives
 
Balance Sheet
Location
 
Fair
Value
 
Balance Sheet
Location
 
Fair
Value
Derivatives designated as hedging instruments:
 
 
 
 
 
 
 
Foreign exchange forward contracts
Other current assets
 
$
89,327

 
Other current liabilities
 
$
2,934

Foreign exchange forward contracts
Other non-current assets
 
82,343

 
Other non-current liabilities
 
5,486

Total fair value of derivative instruments
 
 
$
171,670

 
 
 
$
8,420



13

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)






 
December 31, 2014
 
Asset Derivatives
 
Liability Derivatives
 
Balance Sheet
Location
 
Fair
Value
 
Balance Sheet
Location
 
Fair
Value
Derivatives designated as hedging instruments:
 
 
 
 
 
 
 
Foreign exchange forward contracts
Other current assets
 
$
77,348

 
Other current liabilities
 
$
794

Foreign exchange forward contracts
Other non-current assets
 
58,698

 
Other non-current liabilities
 
86

Total fair value of derivative instruments
 
 
$
136,046

 
 
 
$
880


The fair value of our foreign exchange forward contracts that are not designated as hedging instruments was zero as of June 30, 2015 and December 31, 2014.

Although we do not offset derivative assets and liabilities within our condensed consolidated balance sheets, our International Swap and Derivatives Association (ISDA) agreements provide for net settlement of transactions that are due to or from the same counterparty upon early termination of the agreement due to an event of default or other termination event. The following tables summarize the potential effect on our condensed consolidated balance sheets of offsetting our foreign exchange forward contracts subject to such provisions:
 
 
June 30, 2015
 
 
 
 
 
 
 
 
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheet
 
 
Description
 
Gross Amounts of Recognized Assets/Liabilities
 
Gross Amounts Offset in the Condensed Consolidated Balance Sheet
 
Amounts of Assets/Liabilities Presented in the Condensed Consolidated Balance Sheet
 
Derivative Financial Instruments
 
Cash Collateral Received (Pledged)
 
Net Amount
Derivative assets
 
$
171,670

 
$

 
$
171,670

 
$
(8,420
)
 
$

 
$
163,250

Derivative liabilities
 
(8,420
)
 

 
(8,420
)
 
8,420

 

 



 
 
December 31, 2014
 
 
 
 
 
 
 
 
Gross Amounts Not Offset in the Condensed Consolidated Balance Sheet
 
 
Description
 
Gross Amounts of Recognized Assets/Liabilities
 
Gross Amounts Offset in the Condensed Consolidated Balance Sheet
 
Amounts of Assets/Liabilities Presented in the Condensed Consolidated Balance Sheet
 
Derivative Financial Instruments
 
Cash Collateral Received (Pledged)
 
Net Amount
Derivative assets
 
$
136,046

 
$

 
$
136,046

 
$
(880
)
 
$

 
$
135,166

Derivative liabilities
 
(880
)
 

 
(880
)
 
880

 

 


10.
Other Investments
Other investments include our investment of $37,500 in the preferred stock of Moderna LLC. Our investment is recorded at cost within other assets in our condensed consolidated balance sheets. The carrying value of this investment was not impaired as of June 30, 2015.



14

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





11.
Stockholders' Equity
In November 2012, our Board of Directors authorized a share repurchase program. The repurchase program does not have an expiration date, and we are not obligated to acquire a particular number of shares. The repurchase program may be discontinued at any time at the Company's discretion. During the three months ended June 30, 2015 and 2014, we repurchased 132 and 1,012 shares of our common stock at a cost of $23,537 and $156,458, respectively, and during the six months ended June 30, 2015 and 2014, we repurchased 466 and 1,149 shares of our common stock at a cost of $83,563 and $178,515, respectively. In May 2015, our Board of Directors increased the authorization of shares up to $1,000,000 for future purchases under the repurchase program, which superseded all prior repurchase programs. As previously disclosed, the Company did not repurchase any shares during the pendency of the Synageva acquisition. As of June 30, 2015, there is a total of $1,000,000 remaining for repurchases under the repurchase program.
In June 2015, in connection with our acquisition of Synageva, we issued 26,125 shares of common stock to Synageva shareholders and employees. The value of the stock was $4,917,849, and we incurred $3,864 of issuance costs.
  
12.
Other Comprehensive Income and Accumulated Other Comprehensive Income

The following tables summarize the changes in AOCI, by component, for the six months ended June 30, 2015 and 2014:

 
Defined Benefit Pension Plans
 
Unrealized Gains (Losses) from Marketable Securities
 
Unrealized Gains (Losses) from Hedging Activities
 
Foreign Currency Translation Adjustment
 
Total Accumulated Other Comprehensive Income (Loss)
Balances, December 31, 2014
$
(16,570
)
 
$
(234
)
 
$
87,308

 
$
(13,719
)
 
$
56,785

Other comprehensive income before reclassifications
(8,153
)
 
276

 
71,588

 
(4,218
)
 
59,493

Amounts reclassified from other comprehensive income
708

 
(22
)
 
(54,448
)
 

 
(53,762
)
Net other comprehensive income (loss)
(7,445
)
 
254

 
17,140

 
(4,218
)
 
5,731

Balances, June 30, 2015
$
(24,015
)
 
$
20

 
$
104,448

 
$
(17,937
)
 
$
62,516


 
Defined Benefit Pension Plans
 
Unrealized Gains (Losses) from Marketable Securities
 
Unrealized Gains (Losses) from Hedging Activities
 
Foreign Currency Translation Adjustment
 
Total Accumulated Other Comprehensive Income (Loss)
Balances, December 31, 2013
$
(11,502
)
 
$
(146
)
 
$
(3,827
)
 
$
(7,382
)
 
$
(22,857
)
Other comprehensive income before reclassifications
(3,086
)
 
1,111

 
(8,063
)
 
552

 
(9,486
)
Amounts reclassified from other comprehensive income
401

 
(1
)
 
(507
)
 

 
(107
)
Net other comprehensive income (loss)
(2,685
)
 
1,110

 
(8,570
)
 
552

 
(9,593
)
Balances, June 30, 2014
$
(14,187
)
 
$
964

 
$
(12,397
)
 
$
(6,830
)
 
$
(32,450
)


15

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





The table below provides details regarding significant reclassifications from AOCI during the three and six months ended June 30, 2015 and 2014:
Details about Accumulated Other Comprehensive Income Components
 
Amount Reclassified From Accumulated Other Comprehensive Income during the three months ended June 30,
 
Amount Reclassified From Accumulated Other Comprehensive Income during the six months ended June 30,
 
Affected Line Item in the Condensed Consolidated Statements of Operations
 
2015
2014
 
2015
2014
 
Unrealized Gains (Losses) from Hedging Activity
 
 
 
 
 
 
 
 
Effective portion of foreign exchange contracts
 
$
31,622

$
(695
)
 
$
60,705

$
571

 
Net product sales
Ineffective portion of foreign exchange contracts
 
293

187

 
1,521

8

 
Foreign currency (loss) gain
 
 
31,915

(508
)
 
62,226

579

 
 
 
 
(3,989
)
64

 
(7,778
)
(72
)
 
Income tax provision
 
 
$
27,926

$
(444
)
 
$
54,448

$
507

 
 
Unrealized Gains (Losses) from Marketable Securities
 
 
 
 
 
 
 
 
Realized gains on sale of securities
 
$
22

$

 
$
35

$
2

 
Investment income
 
 
22


 
35

2

 
 
 
 
(8
)

 
(13
)
(1
)
 
Income tax provision
 
 
$
14

$

 
$
22

$
1

 
 
Defined Benefit Pension Plans
 
 
 
 
 
 
 
 
Amortization of prior service costs and actuarial losses
 
$
(626
)
$
(359
)
 
$
(937
)
$
(438
)
 
(a)
 
 
(626
)
(359
)
 
(937
)
(438
)
 
 
 
 
153

31

 
229

37

 
Income tax provision
 
 
$
(473
)
$
(328
)
 
$
(708
)
$
(401
)
 
 
(a) This AOCI component is included in the computation of net periodic pension benefit cost (see Note 15 for additional details).

13.
Fair Value Measurement
Authoritative guidance establishes a valuation hierarchy for disclosure of the inputs to the valuation used to measure fair value. This hierarchy prioritizes the inputs into three broad levels as follows. Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 2 inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, for substantially the full term of the financial instrument. Level 3 inputs are unobservable inputs based on our own assumptions used to measure assets and liabilities at fair value.

16

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





The following tables present information about our assets and liabilities that are measured at fair value on a recurring basis as of June 30, 2015 and December 31, 2014, and indicate the fair value hierarchy of the valuation techniques we utilized to determine such fair value. 
 
 
Fair Value Measurement at
June 30, 2015
Balance Sheet
Classification
Type of Instrument
Total
 
Level 1
 
Level 2
 
Level 3
Cash equivalents
Institutional money market funds
$
605,523

 
$

 
$
605,523

 
$

Cash equivalents
Commercial paper
$
44,921

 
$

 
$
44,921

 
$

Cash equivalents
Municipal bonds
$
31,323

 
$

 
$
31,323

 
$

Cash equivalents
Bank certificates of deposit
$
33,550

 
$

 
$
33,550

 
$

Cash equivalents
Other government-related obligations
$
8,399

 
$

 
$
8,399

 
$

Marketable securities
Mutual funds
$
7,697

 
$
7,697

 
$

 
$

Marketable securities
Corporate bonds
$
88,866

 
$

 
$
88,866

 
$

Marketable securities
Municipal bonds
$
26,200

 
$

 
$
26,200

 
$

Marketable securities
Other government-related obligations
$
49,466

 
$

 
$
49,466

 
$

Prepaid expenses and other current assets
Foreign exchange forward contracts
$
89,327

 
$

 
$
89,327

 
$

Other assets
Foreign exchange forward contracts
$
82,343

 
$

 
$
82,343

 
$

Other current liabilities
Foreign exchange forward contracts
$
2,934

 
$

 
$
2,934

 
$

Other liabilities
Foreign exchange forward contracts
$
5,486

 
$

 
$
5,486

 
$

Other current liabilities
Acquisition-related contingent consideration
$
49,448

 
$

 
$

 
$
49,448

Contingent consideration
Acquisition-related contingent consideration
$
129,546

 
$

 
$

 
$
129,546

 

17

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





 
 
Fair Value Measurement at
December 31, 2014
Balance Sheet
Classification
Type of Instrument
Total
 
Level 1
 
Level 2
 
Level 3
Cash equivalents
Institutional money market funds
$
176,331

 
$

 
$
176,331

 
$

Cash equivalents
Commercial paper
$
117,529

 
$

 
$
117,529

 
$

Cash equivalents
Corporate bonds
$
9,315

 
$

 
$
9,315

 
$

Cash equivalents
Municipal bonds
$
12,050

 
$

 
$
12,050

 
$

Cash equivalents
Other government-related obligations
$
23,998

 
$

 
$
23,998

 
$

Cash equivalents
Bank certificates of deposit
$
5,000

 
$

 
$
5,000

 
$

Marketable securities
Mutual funds
$
4,277

 
$
4,277

 
$

 
$

Marketable securities
Commercial paper
$
24,966

 
$

 
$
24,966

 
$

Marketable securities
Corporate bonds
$
484,551

 
$

 
$
484,551

 
$

Marketable securities
Municipal bonds
$
162,795

 
$

 
$
162,795

 
$

Marketable securities
Other government-related obligations
$
268,978

 
$

 
$
268,978

 
$

Marketable securities
Bank certificates of deposit
$
72,000

 
$

 
$
72,000

 
$

Prepaid expenses and other current assets
Foreign exchange forward contracts
$
77,348

 
$

 
$
77,348

 
$

Other assets
Foreign exchange forward contracts
$
58,698

 
$

 
$
58,698

 
$

Other current liabilities
Foreign exchange forward contracts
$
794

 
$

 
$
794

 
$

Other liabilities
Foreign exchange forward contracts
$
86

 
$

 
$
86

 
$

Other current liabilities
Acquisition-related contingent consideration
$
46,546

 
$

 
$

 
$
46,546

Contingent consideration
Acquisition-related contingent consideration
$
116,425

 
$

 
$

 
$
116,425


There were no securities transferred between Level 1, 2 and 3 during the six months ended June 30, 2015.

Valuation Techniques
We classify mutual fund investments, which are valued based on quoted market prices in active markets with no valuation adjustment, as Level 1 assets within the fair value hierarchy.
Cash equivalents and marketable securities classified as Level 2 within the valuation hierarchy consist of institutional money market funds, commercial paper, municipal bonds, U.S. and foreign government-related debt, corporate debt securities and certificates of deposit. We estimate the fair values of these marketable securities by taking into consideration valuations obtained from third-party pricing sources. These pricing sources utilize industry standard valuation models, including both income and market-based approaches, for which all significant inputs are observable, either directly or indirectly, to estimate fair value. These inputs include market pricing based on real-time trade data for the same or similar securities, issuer credit spreads, benchmark yields, and other observable inputs. We validate the prices provided by our third-party pricing sources by

18

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





understanding the models used, obtaining market values from other pricing sources and analyzing pricing data in certain instances.
Our derivative assets and liabilities include foreign exchange derivatives that are measured at fair value using observable market inputs such as forward rates, interest rates, our own credit risk as well as an evaluation of our counterparties’ credit risks. Based on these inputs, the derivative assets and liabilities are classified within Level 2 of the valuation hierarchy.
Contingent consideration liabilities related to acquisitions are classified as Level 3 within the valuation hierarchy and are valued based on various estimates, including probability of success, discount rates and amount of time until the conditions of the milestone payments are met.
As of June 30, 2015, there has not been any impact to the fair value of our derivative liabilities due to our own credit risk. Similarly, there has not been any significant adverse impact to our derivative assets based on our evaluation of our counterparties’ credit risks.

Contingent Consideration
In connection with prior acquisitions, we may be required to pay future consideration that is contingent upon the achievement of specified development, regulatory and reimbursement approvals or sales-based milestone events. We determine the fair value of these obligations on the acquisition date using various estimates that are not observable in the market and represent a Level 3 measurement within the fair value hierarchy. The resulting probability-weighted cash flows were discounted using a cost of debt of 4.8% for developmental milestones and a weighted average cost of capital ranging from 12% to 21% for sales-based milestones.
Each reporting period, we adjust the contingent consideration to fair value with changes in fair value recognized in operating earnings. Changes in fair values reflect new information about the probability and timing of meeting the conditions of the milestone payments. In the absence of new information, changes in fair value will only reflect the interest component of contingent consideration related to the passage of time as development work progresses towards the achievement of the milestones.
Estimated future contingent milestone payments related to prior business combinations range from zero if no milestone events are achieved, to a maximum of $876,000 if all development, regulatory and sales-based milestones are reached. As of June 30, 2015, the fair value of acquisition-related contingent consideration was $178,994. The following table represents a roll-forward of our acquisition-related contingent consideration:
 
Six months ended
 
June 30, 2015
Balance at beginning of period
$
(162,971
)
Changes in fair value
(16,023
)
Balance at end of period
$
(178,994
)

14.
Income Taxes
The following table provides a comparative summary of our income tax provision and effective tax rate for the three and six months ended June 30, 2015 and 2014:
 
 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2015
 
2014
 
2015
 
2014
Provision for income taxes
$
7,077

 
$
52,151

 
$
22,699

 
$
104,708

Effective tax rate
4.0
%
 
23.9
%
 
8.0
%
 
24.3
%

The tax provision for the three and six months ended June 30, 2015 and 2014 is attributable to the U.S. federal, state and foreign income taxes on our profitable operations. Additionally, reflected in the tax provision for the for the three and six months ended June 30, 2015 are the benefits realized in connection with our acquisition of Synageva. These benefits primarily include current year operating losses. The tax provision for the three and six months ended June 30, 2014 also includes $2,128 attributable to our agreement with the French government that provided reimbursement for shipments of Soliris made prior to

19

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





January 1, 2014. The remaining reduction in the effective tax rate for the three and six months ended June 30, 2015 as compared to the same period in the prior year is primarily attributable to an increase in our Federal Orphan Drug Credit and an increase in the amount of income taxed in jurisdictions with rates lower than the rate in the U.S.
We continue to maintain a valuation allowance against certain other deferred tax assets where realization is not certain.

15.
Defined Benefit Plans
We maintain defined benefit plans for employees in certain countries outside the United States, including retirement benefit plans required by applicable local law. The plans are valued by independent actuaries using the projected unit credit method. The liabilities correspond to the projected benefit obligations of which the discounted net present value is calculated based on years of employment, expected salary increases, and pension adjustments.
The components of net periodic benefit cost were as follows: 
 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2015
 
2014
 
2015
 
2014
Service cost
$
4,861

 
$
2,622

 
$
7,282

 
$
4,185

Interest cost
372

 
200

 
552

 
400

Expected return on plan assets
(508
)
 
(232
)
 
(751
)
 
(463
)
Employee contributions
(900
)
 
(482
)
 
(1,327
)
 
(877
)
Amortization
626

 
359

 
937

 
438

Total net periodic benefit cost
$
4,451

 
$
2,467

 
$
6,693

 
$
3,683


16.
Leases

In November 2012, we entered into a lease agreement for office and laboratory space to be constructed in New Haven, Connecticut. The term of the new lease will commence upon the landlord's substantial completion of the building and will expire 12 years later, with a minimum renewal option of 7 years and a maximum renewal option of 20 years, provided that we expand our lease to include all rentable space in the building. Although we will not legally own the premises, we are deemed to be the owner of the building during the construction period based on applicable accounting guidance for build-to-suit leases due to our involvement during the construction period. Accordingly, the landlord's costs of constructing the facility are required to be capitalized, as a non-cash transaction, offset by a corresponding facility lease obligation in our condensed consolidated balance sheet.
Construction of the new facility began in June 2013 and is expected to be completed in late 2015. As of June 30, 2015, we recorded a construction-in-process asset of $196,480, inclusive of the landlord's costs as well as costs incurred by Alexion, and an offsetting facility lease obligation of $126,164 associated with the new facility.

17.
License Agreements
In March 2015, we entered into an agreement with a third party that allowed us to exercise an option with another third party for exclusive, worldwide, perpetual license rights to a specialized technology and other intellectual property, and we simultaneously exercised the option. Due to the early stage of these assets, we recorded expense for the payments of $47,000 during the first quarter 2015.
In March 2015, we entered into a collaboration agreement with a third party that allows us to identify and optimize drug candidates. Alexion will have the exclusive worldwide rights to develop and commercialize products arising from the collaboration. Due to the early stage of the assets we are licensing in connection with the collaboration, we recorded expense for the upfront payment of $15,000 during the first quarter 2015. In addition, we could be required to pay up to an additional $252,500 if certain development, regulatory, and commercial milestones are met over time, as well as royalties on commercial sales.
In January 2015, we entered into a license agreement with a third party to obtain an exclusive research, development and commercial license for specific therapeutic molecules. Due to the early stage of these assets, we recorded expense for the upfront payment of $50,000 during the first quarter 2015. In addition, we could be required to pay up to an additional $830,000 if certain development, regulatory, and commercial milestones are met over time, as well as royalties on commercial sales.

20

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





In January 2014, we entered into an agreement with Moderna Therapeutics, Inc. (Moderna) that allows us to purchase ten product options to develop and commercialize treatments for rare diseases with Moderna's messenger RNA (mRNA) therapeutics platform. Alexion will lead the discovery, development and commercialization of the treatments produced through this broad, long-term strategic agreement, while Moderna will retain responsibility for the design and manufacture of the messenger RNA against selected targets. Due to the early stage of these assets, we recorded expense for an upfront payment of $100,000.  We will also be responsible for funding research activities under the program.  In addition, for each drug target, up to a maximum of ten targets, we could be required to make an option exercise payment of $15,000 and to pay up to an additional $120,000 with respect to a rare disease product and $400,000 with respect to a non-rare disease product in development and sales milestones if the specific milestones are met over time as well as royalties on commercial sales. 

18.
Commitments and Contingencies
Commitments
Manufacturing obligations
We rely on Lonza Group AG and its affiliates (Lonza), a third party manufacturer, to produce a portion of commercial and clinical quantities of Soliris and for clinical and commercial quantities of Strensiq (asfotase alfa). We have various agreements with Lonza, with remaining total non-cancellable future commitments of approximately $1,226,360. If we terminate certain supply agreements with Lonza without cause, we will be required to pay for product scheduled for manufacture under our arrangement. Under an existing arrangement with Lonza, we also pay Lonza a royalty on sales of Soliris manufactured at Alexion Rhode Island Manufacturing Facility (ARIMF) and a payment with respect to sales of Soliris manufactured at Lonza facilities. In July 2015, we announced a new supply agreement with Lonza whereby Lonza will construct a new manufacturing line dedicated to Alexion at their existing Portsmouth, New Hampshire facility.
In addition, we have non-cancellable commitments of approximately $40,950 with other third party manufacturers.

Contingent Liabilities
On an ongoing basis, we are involved in various claims, and legal proceedings, none of which we deem material to our operations. On a quarterly basis, we review the status of each significant matter and assess its potential financial exposure. If the potential loss from any claim, asserted or unasserted, or legal proceeding is considered probable and the amount can be reasonably estimated, we accrue a liability for the estimated loss. Because of uncertainties related to claims and litigation, accruals are based on our best estimates based on available information. On a periodic basis, as additional information becomes available, or based on specific events such as the outcome of litigation or settlement of claims, we may reassess the potential liability related to these matters and may revise these estimates, which could result in a material adverse adjustments to our operating results.
We have in the past received, and may in the future receive, notices from third parties claiming that their patents may be infringed by the development, manufacture or sale of Soliris. Under the guidance of ASC 450, Contingencies, we record a royalty accrual based on our best estimate of the fair value percent of net sales of Soliris that we could be required to pay the owners of patents for technology used in the manufacture and sale of Soliris. A costly license, or inability to obtain a necessary license, could have a material adverse effect on our financial results.
As previously disclosed, in May 2015, we received a subpoena in connection with an investigation by the Enforcement Division of the U.S. Securities and Exchange Commission (SEC) requesting information related to our grant-making activities and compliance with the Foreign Corrupt Practices Act in various countries. The SEC also seeks information related to Alexion’s recalls of specific lots of Soliris and related securities disclosures. Alexion is cooperating with the SEC’s investigation, which is in its early stages. At this time, Alexion is unable to predict the duration, scope or outcome of the SEC investigation. Given the early stage of this investigation, management does not currently believe a loss related to this matter is probable or that the potential magnitude of such loss or range of loss, if any, can be reasonably estimated.
In March 2013, we received a Warning Letter (Warning Letter) from the U.S. Food and Drug Administration (FDA) regarding compliance with current Good Manufacturing Practices (cGMP) at ARIMF. The Warning Letter followed an FDA inspection which concluded in August 2012. At the conclusion of that inspection, the FDA issued a Form 483 Inspectional Observations, to which we responded in August 2012 and provided additional information to the FDA in September and December 2012. The observations relate to commercial and clinical manufacture of Soliris at ARIMF. We responded to the Warning Letter in a letter to the FDA dated in April 2013. At the conclusion of another inspection of ARIMF in August 2014, the FDA issued a Form 483 with three inspectional observations, none of which was designated as a repeat observation to the Warning Letter. The observations are inspectional and do not represent a final FDA determination of compliance. We continue

21

Alexion Pharmaceuticals, Inc.
Notes to Condensed Consolidated Financial Statements
(unaudited)
(amounts in thousands, except per share amounts)





to manufacture products, including Soliris, in this facility. While the resolution of the issues raised in the Warning Letter is difficult to predict, we do not currently believe a loss related to this matter is probable or that the potential magnitude of such loss or range of loss, if any, can be reasonable estimated.

19.
Restructuring
In conjunction with the acquisition and integration of Synageva, we recorded restructuring expense of $10,322 related to employee costs in the second quarter 2015. We currently estimate incurring approximately $5,000 to $10,000 of additional restructuring related charges in 2015. We expect to pay all accrued amounts related to this restructuring activity within twelve months.
In the fourth quarter 2014, we announced plans to relocate our European headquarters from Lausanne to Zurich, Switzerland. The relocation of the European headquarters will support our operational needs based on growth in the European region. The activities primarily occurring at our Lausanne site will be relocated to our Zurich, Cheshire, Connecticut, and Dublin, Ireland locations. As a result of this action, we recorded restructuring expenses of $15,365 related to employee costs in the fourth quarter 2014. During the three and six months ended June 30, 2015 we incurred additional restructuring costs of $5,902 and $12,954, respectively.
The following table presents a reconciliation of the restructuring reserve recorded within accrued expenses on the Company's condensed consolidated balance sheet for the three and six months ended June 30, 2015:
 
Three months ended June 30,
 
Six months ended June 30,
 
2015
 
2015
 
Employee Separation Costs
 
Contract Termination Costs
 
Other Costs
 
Total
 
Employee Separation Costs
 
Contract Termination Costs
 
Other Costs
 
Total
Liability, beginning of period
$
22,326

 
$

 
$
91

 
$
22,417

 
$
15,365

 
$

 
$

 
$
15,365

Restructuring expenses
14,324

 

 
1,027

 
15,351

 
18,611

 

 
1,118

 
19,729

Cash settlements
(1,816
)
 

 
(841
)
 
(2,657
)
 
(1,816
)
 

 
(841
)
 
(2,657
)
Adjustments to previous estimates
873

 

 

 
873

 
3,547

 

 

 
3,547

Liability, end of period
$
35,707

 
$

 
$
277

 
$
35,984

 
$
35,707

 
$

 
$
277

 
$
35,984


Item 2.
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS.

Note Regarding Forward-Looking Statements
This quarterly report on Form 10-Q contains forward-looking statements that have been made pursuant to the provisions of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements are based on current expectations, estimates and projections about our industry, management's beliefs, and certain assumptions made by our management, and may include, but are not limited to, statements regarding the potential benefits and commercial potential of Soliris® (eculizumab) for its approved indications and any expanded uses, timing and effect of sales of Soliris in various markets worldwide, pricing for Soliris, level of insurance coverage and reimbursement for Soliris, level of future Soliris sales and collections, timing regarding development and regulatory approvals for additional indications or in additional territories for Soliris, the medical and commercial potential of additional indications for Soliris, failure to satisfactorily address the issues raised by the U.S. Food and Drug Administration (FDA) in the March 2013 Warning Letter and Form 483 issued by the FDA in August 2014, costs, expenses and capital requirements, cash outflows, cash from operations, status of reimbursement, price approval and funding processes in various countries worldwide, progress in developing commercial infrastructure and interest about Soliris and our drug candidates in the patient, physician and payer communities, the safety and efficacy of Soliris and our product candidates, estimates of the potential markets and estimated commercialization dates for Soliris and our drug candidates around the world, sales and marketing plans, any changes in the current or anticipated market demand or medical need for Soliris or our drug candidates, status of our ongoing clinical trials for eculizumab, asfotase alfa, sebelipase alfa and our other product candidates, commencement dates for new clinical trials, clinical trial results, evaluation of our clinical trial results by regulatory agencies, the adequacy of our pharmacovigilance and drug safety reporting processes, prospects for regulatory approval of Strensiq (asfotase alfa) and our other product candidates, need for additional research and testing, the uncertainties involved in the drug development process and manufacturing, performance and reliance on third party service providers, our

22

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

future research and development activities, plans for acquired programs, our ability to develop and commercialize products with our collaborators, assessment of competitors and potential competitors, the outcome of challenges and opposition proceedings to our intellectual property, assertion or potential assertion by third parties that the manufacture, use or sale of Soliris infringes their intellectual property, estimates of the capacity of manufacturing and other service facilities to support Soliris and our product candidates, potential costs resulting from product liability or other third party claims, the sufficiency of our existing capital resources and projected cash needs, the possibility that expected tax benefits will not be realized, assessment of impact of recent accounting pronouncements, declines in sovereign credit ratings or sovereign defaults in countries where we sell Soliris, delay of collection or reduction in reimbursement due to adverse economic conditions or changes in government and private insurer regulations and approaches to reimbursement, uncertainties surrounding government investigations, the short and long term effects of other government healthcare measures, and the effect of shifting foreign exchange rates. Words such as “anticipates,” “expects,” “intends,” “plans,” “believes,” “seeks,” “estimates,” variations of such words and similar expressions are intended to identify such forward-looking statements, although not all forward-looking statements contain these identifying words. These statements are not guarantees of future performance and are subject to certain risks, uncertainties, and assumptions that are difficult to predict; therefore, actual results may differ materially from those expressed or forecasted in any such forward-looking statements. Such risks and uncertainties include, but are not limited to, those discussed later in this report under the section entitled “Risk Factors”. Unless required by law, we undertake no obligation to update publicly any forward-looking statements, whether because of new information, future events or otherwise. However, readers should carefully review the risk factors set forth in this and other reports or documents we file from time to time with the Securities and Exchange Commission.
Business
We are a biopharmaceutical company focused on serving patients with devastating and rare disorders through the innovation, development and commercialization of life-transforming therapeutic products. Our marketed product Soliris is the first and only therapeutic approved for patients with either of two severe and ultra-rare disorders resulting from chronic uncontrolled activation of the complement component of the immune system: paroxysmal nocturnal hemoglobinuria (PNH), a life-threatening and ultra-rare genetic blood disorder, and atypical hemolytic uremic syndrome (aHUS), a life-threatening and ultra-rare genetic disease.
Soliris is designed to inhibit a specific aspect of the complement component of the immune system and thereby treat inflammation associated with chronic disorders in several therapeutic areas, including hematology, nephrology, transplant rejection and neurology. Soliris is a humanized monoclonal antibody that effectively blocks terminal complement activity at the doses currently prescribed. The initial indication for which we received approval for Soliris is PNH. PNH is a debilitating and life-threatening, ultra-rare genetic blood disorder defined by chronic uncontrolled complement activation leading to the destruction of red blood cells (hemolysis). The chronic hemolysis in patients with PNH may be associated with life-threatening thromboses, recurrent pain, kidney disease, disabling fatigue, impaired quality of life, severe anemia, pulmonary hypertension, shortness of breath and intermittent episodes of dark-colored urine (hemoglobinuria).
Soliris was approved for the treatment of PNH by the FDA and the European Commission (EC) in 2007 and by Japan’s Ministry of Health, Labour and Welfare (MHLW) in 2010, and has been approved in several other territories. Additionally, Soliris has been granted orphan drug designation for the treatment of PNH in the United States, Europe, Japan and several other territories.
In September and November 2011, Soliris was approved by the FDA and EC, respectively, for the treatment of pediatric and adult patients with aHUS in the United States and Europe. In September 2013, the MHLW approved Soliris for the treatment of pediatric and adult patients with aHUS in Japan. aHUS is a severe and life-threatening genetic ultra-rare disease characterized by chronic uncontrolled complement activation and thrombotic microangiopathy (TMA), the formation of blood clots in small blood vessels throughout the body, causing a reduction in platelet count (thrombocytopenia) and life-threatening damage to the kidney, brain, heart and other vital organs. In addition, the FDA and EC have granted Soliris orphan drug designation for the treatment of patients with aHUS.
We are also establishing a global metabolic rare disease franchise with the development of two late-stage therapies, Strensiq® (asfotase alfa) for the treatment of hypophasphatasia (HPP) and Kanuma® (Sebelipase alfa) for the treatment of lysosomal acid lipase deficiency (LAL-D). HPP is a genetic ultra-rare disease characterized by defective bone mineralization that can lead to deformity of bones and other skeletal abnormalities. LAL-D is a serious, life threatening ultra-rare disease in which genetic mutations result in decreased activity of the LAL enzyme leading to marked accumulation of lipids in vital organs, blood vessels and other tissues.
We are also evaluating additional potential indications for Soliris in other severe and devastating diseases in which uncontrolled complement activation is the underlying mechanism, and we are progressing in various stages of development with additional product candidates as potential treatments for patients with severe and life-threatening rare disorders.

23

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

We were incorporated in 1992 and began commercial sale of Soliris in 2007. In June 2015, we acquired all of the outstanding shares of common stock of Synageva BioPharma Corp. (Synageva), a publicly-held clinical-stage biotechnology company. We financed the acquisition with existing cash, proceeds from a new credit facility and exchange of shares of common stock.
Products and Development Programs
We focus our product development programs on life-transforming therapeutics for severe and life-threatening ultra-rare diseases for which current treatments are either non-existent or inadequate.
Marketed Products
Our marketed products include the following:
Product
 
Development Area
 
Indication
 
Development Stage
Soliris (eculizumab)
 
Hematology
 
Paroxysmal Nocturnal Hemoglobinuria (PNH)
 
Commercial
 
 
 
 
PNH Registry
 
Phase IV
 
 
Hematology/Nephrology
 
Atypical Hemolytic Uremic Syndrome (aHUS)
 
Commercial
 
 
 
 
aHUS Registry
 
Phase IV
In addition to our marketed products above, we received regulatory approval for Strensiq (asfotase alfa) for the treatment of patients with HPP in Japan in July 2015.
Paroxysmal Nocturnal Hemoglobinuria (PNH)
Soliris is the first and only therapy approved for the treatment of patients with PNH, a debilitating and life-threatening ultra-rare blood disorder in which an acquired genetic deficiency causes uncontrolled complement activation which leads to life-threatening complications. We continue to work with researchers to expand the base of knowledge in PNH and the utility of Soliris to treat patients with PNH. In 2013, the EC extended the Soliris label to include pediatric patients with PNH. The Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) recommends that the renewal be granted with unlimited validity.  We are sponsoring a multinational registry to gather information regarding the natural history of patients with PNH and the longer term outcomes during Soliris treatment. In April 2014, the EC approved an update to the EU label that supports Soliris treatment for patients with PNH regardless of history of transfusion and additional updates to inform physicians to make treatment decisions based on elevated hemolysis and the presence of common symptoms associated with PNH.
Atypical Hemolytic Uremic Syndrome (aHUS)
aHUS is a chronic and life-threatening ultra-rare genetic disease in which uncontrolled complement activation causes blood clots in small blood vessels throughout the body or TMA leading to kidney failure, stroke, heart attack and death. Soliris is the first and only therapy approved for the treatment of pediatric and adult patients with aHUS. In May 2014, the FDA approved conversion of Soliris accelerated approval in aHUS to regular approval for the treatment of adult and pediatric patients with aHUS to inhibit complement-mediated TMA. In April 2014, the EC approved an update to the EU label for Soliris treatment for patients with aHUS that included new efficacy data which specifies that longer-term treatment with Soliris is associated with a greater proportion of patients achieving clinically significant benefits, including complete TMA response and hematologic normalization, as well as the importance of sustained Soliris therapy.

  

24

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

Clinical Development Programs
Our programs, including investigator sponsored clinical programs, include the following:
Product
 
Development Area
 
Indication
 
Development Stage
Soliris (eculizumab)
 
Neurology
 
Myasthenia Gravis (MG)
 
Phase III
 
 
 
 
Neuromyelitis Optica (NMO)
 
Phase III
 
 
Transplant
 
Delayed Kidney Transplant Graft Function
 
Phase III
 
 
 
 
Antibody Mediated Rejection (AMR) Presensitized Renal Transplant - Living Donor
 
Phase II
 
 
 
 
Antibody Mediated Rejection (AMR) Presensitized Renal Transplant - Deceased Donor
 
Phase II
 
 
 
 
Treatment of Antibody Mediated Rejection (AMR) Following Renal Transplantation*
 
Phase II
Strensiq (asfotase alfa)
 
Metabolic Disorders

 
Hypophosphatasia (HPP)
 
Phase II
Kanuma (sebelipase alfa)
 
Metabolic Disorders
 
Lysosomal Acid Lipase Deficiency (LAL-D)
 
Phase III
cPMP (ALXN 1101)
 
Metabolic Disorders

 
MoCD Type A
 
Phase II
ALXN 1007
 
Inflammatory Disorders
 
GI Graft versus Host Disease
 
Phase II
 
 
 
 
Anti-phospholipid Syndrome
 
Phase II
SBC-103
 
Metabolic Disorders
 
Mucopolysaccharidoses IIIB
(MPS IIIB)


 
Phase I / II
ALXN 1210
 
Next Generation Complement Inhibitor
 
 
 
Phase I
ALXN 5500
 
Next Generation Complement Inhibitor
 
 
 
Phase I
* Investigator Initiated Trial

Soliris (eculizumab)
Neurology
Myasthenia Gravis (MG)
MG is an ultra-rare autoimmune syndrome characterized by complement activation leading to the failure of neuromuscular transmission. We have completed enrollment of patients in a Phase III multinational, placebo-controlled registration trial of eculizumab in patients with refractory generalized MG. The FDA, EC and MHLW have granted orphan drug designation for eculizumab as a treatment for patients with MG.
Neuromyelitis Optica (NMO)
NMO is a severe and ultra-rare autoimmune disease of the central nervous system (CNS) that primarily affects the optic nerves and spinal cord. Enrollment and dosing are ongoing in a global, randomized, double-blind, placebo-controlled to evaluate eculizumab as a treatment for patients with relapsing NMO. The FDA, EC, and MHLW have each granted orphan designation for eculizumab as a treatment for patients with NMO.
Transplant
Delayed Kidney Transplant Graft Function (DGF)
DGF is the term used to describe the failure of a kidney or other organs to function immediately after transplantation due to ischemia-reperfusion and immunological injury. Enrollment is ongoing in a single, multinational, placebo-controlled DGF registration trial. Eculizumab has been granted orphan drug designation for DGF by the FDA and the EC granted orphan drug designation to eculizumab for prevention of DGF after solid organ transplantation.

25

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

Antibody Mediated Rejection (AMR) in Presensitized Kidney Transplant Patients
AMR is the term used to describe a type of transplant rejection that occurs when the recipient has antibodies to the donor organ. Enrollment in a multi-national, multi-center controlled clinical trial of eculizumab in presensitized kidney transplant patients at elevated risk for AMR who received kidneys from deceased organ donors was completed in March 2013. The study was re-opened in October 2013 to enroll additional patients at the request of participating investigators. Enrollment and dosing in this expanded trial have been completed and patient follow-up in the trial is continuing. In September 2013, researchers presented positive preliminary data from the eculizumab deceased-donor AMR kidney transplant study at the European Society of Organ Transplant in Vienna, Austria. In May 2015, new data from the Phase II single-arm deceased-donor transplant trial of eculizumab in prevention of acute AMR was presented at the American Transplant Congress and were consistent with previous positive reports.
 In January 2015, we reported results from a randomized, open-label, multicenter Phase II clinical trial of eculizumab presensitized kidney transplant patients at an elevated risk of AMR who received kidneys from living donors. The primary composite endpoint of the trial did not reach statistical significance. Patient follow-up and data analyses are ongoing and based on discussions with regulators, we are developing plans to commence a clinical trial with eculizumab as a treatment for patients with AMR.
The EC granted orphan drug designation to eculizumab for the prevention of graft rejection following solid organ transplantation.
Shiga-toxin producing Escherichia coli-hemolytic uremic syndrome (STEC-HUS)
Following an evaluation of our development portfolio and our STEC-HUS program, we notified European regulators that we elected to discontinue development of eculizumab for treatment of patients with STEC-HUS. We are aware that independent investigators are examining the role of eculizumab for the treatment of patients with STEC-HUS.

Strensiq (asfotase alfa)
Hypophosphatasia (HPP)
HPP is an ultra-rare, genetic, and life-threatening metabolic disease characterized by impaired phosphate and calcium regulation, leading to progressive damage to multiple vital organs including destruction and deformity of bones, profound muscle weakness, seizures, impaired renal function, and respiratory failure.
Strensiq (asfotase alfa), a targeted enzyme replacement therapy in Phase II clinical trials for patients with HPP, is designed to directly address underlying causes of HPP by aiming to restore the genetically defective metabolic process, thereby preventing or reversing the severe and potentially life-threatening complications in patients with HPP. In 2013, Strensiq (asfotase alfa) received Breakthrough Therapy Designation from the FDA. In September 2014, the MHLW granted orphan drug designation to Strensiq (asfotase alfa) for the treatment of patients with HPP.
In 2014, we filed for regulatory approval with the FDA, EMA and MHLW. In March 2015, the FDA accepted, for Priority Review, our Biologics License Application (BLA) for Strensiq (asfotase alfa) for treatment of patients with infantile- and juvenile-onset HPP. In June 2015, the CHMP adopted a positive opinion recommending marketing authorization of Strensiq (asfotase alfa) for long-term enzyme treatment of patients with pediatric onset HPP. Based on the CHMP's positive recommendation, final decision from the EC is expected in the third quarter of 2015. In July 2015, Japan’s MHLW approved Strensiq (asfotase alfa) for the treatment of patients with HPP.
Kanuma (sebelipase alfa)
Lysosomal Acid Lipase Deficiency (LAL Deficiency or LAL-D)
LAL-D is a serious, life-threatening rare disease associated with premature mortality and significant morbidity. LAL-D is a chronic disease in which genetic mutations result in decreased activity of the LAL enzyme. This leads to marked accumulation of lipids in vital organs, blood vessels, and other tissues, resulting in progressive and systemic organ damage including hepatic fibrosis, cirrhosis, liver failure, accelerated atherosclerosis, cardiovascular disease, and other devastating consequences. LAL-D affects patients of all ages with sudden and unpredictable clinical complications manifesting from infancy through adulthood. The decreased LAL enzyme activity can be diagnosed with a simple blood test.
Kanuma (sebelipase alfa), a recombinant form of the human LAL enzyme, is an enzyme-replacement therapy under development for patients with LAL-D. The U.S. Food and Drug Administration (FDA) has accepted for review the BLA for Kanuma (sebelipase alfa) and granted the request for Priority Review, and the EMA has validated the MAA for Kanuma (sebelipase alfa) and granted the request for accelerated assessment. In addition, a New Drug Application (NDA) for Kanuma (sebelipase alfa) has been submitted to Japan’s MHLW.

26

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

In June 2015, the CHMP adopted a positive opinion recommending marketing authorization of Kanuma (sebelipase alfa) for long-term enzyme replacement therapy in patients of all ages with LAL-D. Based on the CHMP’s positive recommendation, final decision from the EC is expected in the third quarter 2015.

cPMP (ALXN 1101)
Molybdenum Cofactor Deficiency (MoCD) Disease Type A (MoCD Type A)
MoCD Type A is an ultra-rare metabolic disorder characterized by severe and rapidly progressive neurologic damage and death in newborns. MoCD Type A results from a genetic deficiency in cyclic Pyranopterin Monophosphate (cPMP), a molecule that enables the function of certain enzymes and the absence of which allows neurotoxic sulfite to accumulate in the brain. To date, there is no approved therapy available for MoCD Type A. There has been some early clinical experience with the recombinant cPMP replacement therapy in a small number of children with MoCD Type A, and we are conducting a natural history study in patients with MoCD Type A. In October 2013, cPMP received Breakthrough Therapy Designation from the FDA for the treatment of patients with MoCD Type A. Evaluation of our synthetic form of cPMP replacement therapy in a Phase I healthy volunteer study is complete. In addition, we completed enrollment in a multi-center, multinational open-label clinical trial of synthetic cPMP in patients with MoCD Type A switched from treatment with recombinant cPMP.

ALXN 1007
ALXN 1007 is a novel humanized antibody designed to target rare and severe inflammatory disorders and is a product of our proprietary antibody discovery technologies. We have completed enrollment in both a Phase I single-dose, dose escalating safety and pharmacology study in healthy volunteers, as well as in a multi-dose, dose escalating safety and pharmacology study in healthy volunteers. A proof-of-concept study in patients with an ultra-rare disorder, gastrointestinal graft versus host disease (GI-GVHD), is ongoing. Patients with GI-GVHD following bone marrow or hematopoietic stem cell transplant experience engrafted hematopoietic cells that attack host gastrointestinal tissues in the first 100 days post-transplant causing damage to the GI tract, liver and skin. In addition, enrollment is ongoing in a Phase II proof-of-concept study in patients with non-criteria manifestations of anti-phospholipid syndrome (APS). APS is an ultra-rare autoimmune, hypercoagulable state caused by antiphospholipid antibodies.

SBC-103
Mucopolysaccharidosis IIIB (MPS IIIB)
MPS IIIB is a rare, devastating and life-threatening disease which typically presents in children during the first few years of life. Genetic mutations result in decreased activity of the alpha-N-acetyl-glucosaminidase (NAGLU) enzyme, which leads to a buildup of abnormal amounts of heparan sulfate (HS) in the brain and throughout the body. Over time, this unrelenting systemic accumulation of HS causes progressive and severe cognitive decline, behavioral problems, speech loss, increasing loss of mobility, and premature death. Current treatments are palliative for the behavioral problems, sleep disturbances, seizures, and other complications, and these treatments do not address the root cause of MPS IIIB or stop disease progression.
SBC-103, a recombinant form of natural human NAGLU is designed to replace the missing (or deficient) NAGLU enzyme. SBC-103 was granted orphan drug designation by the U.S. Food and Drug Administration (FDA) in April 2013 and by the EMA in June 2013. It received Fast Track designation by the FDA in January 2015. In June 2015, the first-in-human trial of patients with MPS IIIB reached its targeted enrollment of nine patients, and the trial is ongoing.
Manufacturing
We currently rely on internal manufacturing facilities and third party contract manufacturers to supply clinical and commercial quantities of our commercial products and product candidates. Our internal manufacturing facilities include Alexion's Rhode Island manufacturing facility (ARIMF), and facilities in Massachusetts and Georgia. We also utilize third party contract manufacturers for other manufacturing services including purification, product finishing, packaging, filling and labeling.
We have various agreements with Lonza through 2028, with remaining total non-cancellable commitments of approximately $1,226,360 through 2028. If we terminate certain supply agreements with Lonza without cause, we will be required to pay for product scheduled for manufacture under our arrangements. Under an existing arrangement with Lonza, we also pay Lonza a royalty on sales of Soliris manufactured at ARIMF and a payment with respect to sales of Soliris manufactured at Lonza facilities. In July 2015, we announced a new supply agreement with Lonza whereby Lonza will construct a new manufacturing line dedicated to Alexion manufacturing at their existing Portsmouth, New Hampshire facility.
In addition, we have non-cancellable commitments of approximately $40,950 through 2019 with other third party manufacturers.

27

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

In March 2013, we received a Warning Letter (Warning Letter) from the FDA regarding compliance with current Good Manufacturing Practices (cGMP) at ARIMF. The Warning Letter followed an FDA inspection which concluded in August 2012. At the conclusion of that inspection, the FDA issued a Form 483 Inspectional Observations, to which we responded in August 2012 and provided additional information to the FDA in September and December 2012. The observations relate to commercial and clinical manufacture of Soliris at ARIMF. We responded to the Warning Letter in a letter to the FDA dated in April 2013. At the conclusion of another inspection of ARIMF in August 2014, the FDA issued a Form 483 with three inspectional observations, none of which were designated as a repeat observation to the Warning Letter. We continue to manufacture products, including Soliris at ARIMF. While the resolution of the issues raised in the Warning Letter is difficult to predict, we do not currently believe a loss related to this matter is probable or that the potential magnitude of such loss or range of loss, if any, can be reasonably estimated. To the extent that circumstances related to this matter change, the impact could have a material adverse effect on our financial operations.
The EMA inspected ARIMF in January 2013, and issued a cGMP certificate in May 2013.
In April 2014, we purchased a fill/finish facility in Athlone, Ireland.  Following refurbishment of the facility, and after successful completion of the appropriate validation processes and regulatory approvals, the facility will become our first company-owned fill/finish facility for Soliris and other clinical and commercial products. We have also initiated the construction of office, laboratory and packaging facilities on property in Dublin, Ireland, which we purchased in April 2014. In May 2015, we announced plans to construct a new biologics manufacturing facility on our existing property in Dublin, Ireland, which is expected to be completed by 2020.
Critical Accounting Policies and the Use of Estimates
The significant accounting policies and basis of preparation of our consolidated financial statements are described in Note 1, “Business Overview and Summary of Significant Accounting Policies,” of the Consolidated Financial Statements included in our Form 10-K for the year ended December 31, 2014. Under accounting principles generally accepted in the United States, we are required to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses and disclosure of contingent assets and liabilities in our financial statements. Actual results could differ from those estimates.
We believe the judgments, estimates and assumptions associated with the following critical accounting policies have the greatest potential impact on our consolidated financial statements:
Revenue recognition;
Contingent liabilities;
Inventories;
Share-based compensation;
Valuation of goodwill, acquired intangible assets and in-process research and development (IPR&D);
Valuation of contingent consideration; and
Income taxes.

For a complete discussion of these critical accounting policies, refer to “Critical Accounting Policies and Use of Estimates” within “Item 7 - Management's Discussion and Analysis of Financial Condition and Results of Operations” included within our Form 10-K for the year ended December 31, 2014.  We have reviewed our critical accounting policies as disclosed in our Form 10-K, and we have not noted any material changes.

New Accounting Pronouncements
In May 2014, the Financial Accounting Standards Board (FASB) issued a comprehensive new standard which amends revenue recognition principles and provides a single set of criteria for revenue recognition among all industries. The new standard provides a five step framework whereby revenue is recognized when promised goods or services are transferred to a customer at an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The standard also requires enhanced disclosures pertaining to revenue recognition in both interim and annual periods. The standard is effective for interim and annual periods beginning after December 15, 2017 and allows for adoption using a full retrospective method, or a modified retrospective method. Entities are also allowed to early adopt the standard for annual periods beginning after December 15, 2016. We are currently assessing the method of adoption and the expected impact the new standard has on our financial position and results of operations.
In April 2015, the FASB issued a new standard simplifying the presentation of debt issuance costs. The new standard aligns the treatment of debt issuance costs with debt discounts and premiums and requires debt issuance costs be presented as a

28

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

direct deduction from the carrying amount of the related debt. The standard is effective for interim and annual periods beginning after December 15, 2015, with early adoption permitted, and requires a retrospective method of adoption. We will adopt the provisions of the guidance for the balance sheet disclosures of debt issuance costs in 2016.
Results of Operations
Net Product Sales
The following table summarizes net product sales for the three and six months ended June 30, 2015 and 2014:
 
Three months ended
 
 
 
Six months ended
 
 
 
June 30,
 
$
 
June 30,
 
$
 
2015
 
2014
 
Variance
 
2015
 
2014
 
Variance
Net product sales
$
635,983

 
$
512,495

 
$
123,488

 
$
1,236,316

 
$
1,079,111

 
$
157,205

In March 2014, we entered into an agreement with the French government which positively impacts prospective reimbursement of Soliris and also provides for reimbursement for shipments made in years prior to January 1, 2014. As a result of the agreement, in the first quarter of 2014, we recognized $87,830 of net product sales from Soliris in France relating to years prior to January 1, 2014.
Exclusive of the $87,830 recognized related to prior years, net product revenues increased by $123,488 and $245,035 for the three and six months ended June 30, 2015 compared to the three and six months ended June 30, 2014. The components of this increase in revenues, are as follows:
 
Three months ended
 
Six months ended
 
June 30, 2015
 
June 30, 2015
Components of change:
 
 
 
   Price
1.0
%
 
1.0
%
   Volume
31.0
%
 
31.0
%
   Foreign exchange
(8.0
)%
 
(7.0
)%
Total change in net product sales
24.0
%
 
25.0
%
The increase in net product sales for the three and six months ended June 30, 2015, as compared to the same period in 2014, was primarily due to an increase in unit volumes of 31.0% due to increased physician demand globally for Soliris therapy for patients with PNH or aHUS during the respective periods.
Price had a positive impact on net product sales of 1.0% for the three and six months ended June 30, 2015.
Foreign exchange had a negative impact of 8.0% and 7.0% for the three and six months ended June 30, 2015, as compared to the same period in 2014. The negative impact on foreign exchange of $38,999 and $70,398, or 8.0% and 7.0%, was due to changes in foreign currency exchange rates (inclusive of hedging activity) versus the U.S. dollar for the three and six months ended June 30, 2015. The negative impact was primarily due to the weakening of the Euro, Japanese Yen and Russian Ruble. Offsetting the impact of the stronger dollar, we recorded a gain in revenue of $31,623 and $60,705 related to our foreign currency cash flow hedging program for the three and six months ended June 30, 2015. We expect the strong dollar compared to other currencies, especially the Euro, Japanese Yen and Russian Ruble, to continue to have a negative impact on revenue in 2015 compared to 2014.
Cost of Sales
Cost of sales includes manufacturing costs as well as actual and estimated royalty expenses associated with sales of Soliris.
The following table summarizes cost of sales the three and six months ended June 30, 2015 and 2014:
 
Three months ended June 30,
 
Six months ended June 30,
 
2015
 
2014
 
2015
 
2014
Cost of sales
$
52,007

 
$
39,626

 
$
121,406

 
$
72,565

Cost of sales as a percentage of net product sales
8.2
%
 
7.7
%
 
9.8
%
 
6.7
%
We recorded an expense of $24,352 in the first quarter of 2015 associated with a portion of a single manufacturing campaign at a third party manufacturer for Strensiq (asfotase alfa). The costs are comprised of raw materials, internal overhead and external production costs. We do not expect this expense will impact the clinical supply of inventory or the expected

29

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

commercial launch of Strensiq (asfotase alfa) later in 2015, and we do not expect further material financial impact related to this campaign.
In the first quarter 2014, we entered into a settlement agreement with a third party related to the calculation of royalties payable to such third party under a pre-existing license agreement. Based on this settlement agreement, we recorded a reversal of accrued royalties of $5,124 as a reduction of cost of sales. Also, in the first quarter of 2014, we recorded the incremental impact in cost of sales of $2,055 for additional royalties related to the $87,830 of net product sales from prior year shipments.
Exclusive of the items mentioned above, cost of sales as a percentage of net product sales were 8.2% and 7.9% for the three and six months ended June 30, 2015 and 7.7% and 7.6% for the three and six months ended June 30, 2014.
Research and Development Expense
Our research and development expense includes personnel, facility and external costs associated with the research and development of our product candidates, as well as product development costs. We group our research and development expenses into two major categories: external direct expenses and all other research and development (R&D) expenses.
External direct expenses are comprised of costs paid to outside parties for clinical development, product development and discovery research, as well as costs associated with strategic licensing agreements we have entered into with third parties. Clinical development costs are comprised of costs to conduct and manage clinical trials related to eculizumab and other product candidates. Product development costs are those incurred in performing duties related to manufacturing development and regulatory functions, including manufacturing of material for clinical and research activities. Discovery research costs are incurred in conducting laboratory studies and performing preclinical research for other uses of eculizumab and other product candidates. Licensing agreement costs include upfront and milestone payments made in connection with strategic licensing arrangements we have entered into with third parties. Clinical development costs have been accumulated and allocated to each of our programs, while product development and discovery research costs have not been allocated.
All other R&D expenses consist of costs to compensate personnel, to maintain our facility, equipment and overhead and similar costs of our research and development efforts. These costs relate to efforts on our clinical and preclinical products, our product development and our discovery research efforts. These costs have not been allocated directly to each program.
The following table provides information regarding research and development expenses: 
 
Three months ended
 
 
 
Six months ended
 
 
 
June 30,
 
$
 
June 30,
 
$
 
2015
 
2014
 
Variance
 
2015
 
2014
 
Variance
Clinical development
$
33,859

 
$
26,382

 
$
7,477

 
$
62,866

 
$
50,299

 
$
12,567

Product development
27,843
 
12,142
 
15,701
 
49,169
 
25,181
 
23,988
Licensing agreements
1,750

 

 
1,750

 
114,250

 
101,925

 
12,325

Discovery research
9,022
 
2,349
 
6,673
 
15,066
 
4,930
 
10,136
Total external direct expenses
72,474
 
40,873
 
31,601
 
241,351
 
182,335
 
59,016
Payroll and benefits
47,827
 
44,480
 
3,347
 
92,319
 
88,499
 
3,820
Operating and occupancy
5,786
 
3,765
 
2,021
 
8,876
 
6,641
 
2,235
Depreciation and amortization
5,606
 
3,436
 
2,170
 
10,227
 
6,536
 
3,691
Total other R&D expenses
59,219
 
51,681
 
7,538
 
111,422
 
101,676
 
9,746
Research and development expense
$
131,693

 
$
92,554

 
$
39,139

 
$
352,773

 
$
284,011

 
$
68,762


For the three months ended June 30, 2015, the increase of $39,139 in research and development expense, as compared to the same period in the prior year, was primarily related to the following:
Increase of $7,477 in external clinical development expenses related primarily to an expansion of studies within our eculizumab and other clinical programs (see table below).
Increase of $15,701 in external product development expenses related primarily to an increase in costs associated with the manufacturing of material for increased clinical research activities and clinical studies.
Increase of $6,673 in discovery research expenses primarily related to increases in external research expenses associated with our Moderna agreement and other external research fees.

30

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

For the six months ended June 30, 2015, the increase of $68,762 in research and development expense, as compared to the same period in the prior year, was primarily related to the following:
Increase of $12,567 in external clinical development expenses related primarily to an expansion of studies within our eculizumab and other clinical programs (see table below).
Increase of $23,988 in external product development expenses related primarily to an increase in costs associated with the manufacturing of material for increased clinical research activities and clinical studies.
Increase of $12,325 in licensing agreements primarily due to the upfront payments of $112,000 in the first quarter of 2015 as compared to $100,000 in the first quarter of 2014.
Increase of $10,136 in discovery research expenses primarily related to increases in external research expenses associated with our Moderna agreement and other external research fees.

The following table summarizes external direct expenses related to our clinical development programs. Please refer to "Clinical Development Programs" above for a description of each of these programs:
 
Three months ended
 
 
 
Six months ended
 
 
 
June 30,
 
$
 
June 30,
 
$
 
2015
 
2014
 
Variance
 
2015
 
2014
 
Variance
External direct expenses
 
 
 
 
 
 
 
 
 
 
 
Eculizumab
$
18,670

 
$
17,235

 
$
1,435

 
$
36,579

 
$
32,731

 
$
3,848

Asfotase alfa
5,411
 
5,105

 
306
 
9,682
 
9,347

 
335
cPMP
2,346
 
1,855
 
491
 
3,900
 
3,408
 
492
Other programs
6,746
 
1,212

 
5,534
 
9,702
 
2,813

 
6,889
Unallocated
686
 
975
 
(289)
 
3,003
 
2,000
 
1,003
 
$
33,859

 
$
26,382

 
$
7,477

 
$
62,866

 
$
50,299

 
$
12,567

The successful development of our drug candidates is uncertain and subject to a number of risks. We cannot guarantee that results of clinical trials will be favorable or sufficient to support regulatory approvals for our other programs. We could decide to abandon development or be required to spend considerable resources not otherwise contemplated. For additional discussion regarding the risks and uncertainties regarding our development programs, please refer to Item 1A "Risk Factors" in this Form 10-Q.
Selling, General and Administrative Expense
Our selling, general and administrative expense includes commercial and administrative personnel, corporate facility and external costs required to support the marketing and sales of our commercialized products. These selling, general and administrative costs include: corporate facility operating expenses and depreciation; marketing and sales operations in support of Soliris; human resources; finance, legal, information technology and support personnel expenses; and other corporate costs such as telecommunications, insurance, audit, government affairs and our global corporate compliance program.
The table below provides information regarding selling, general and administrative expense:
 
Three months ended
 
 
 
Six months ended
 
 
 
June 30,
 
$
 
June 30,
 
$
 
2015
 
2014
 
Variance
 
2015
 
2014
 
Variance
Salary, benefits and other labor expense
$
148,634

 
$
95,338

 
$
53,296

 
$
272,737

 
$
177,756

 
$
94,981

External selling, general and administrative expense
72,749

 
64,139

 
8,610

 
135,762

 
111,012

 
24,750

Total selling, general and administrative expense
$
221,383

 
$
159,477

 
$
61,906

 
$
408,499

 
$
288,768

 
$
119,731

For the three months ended June 30, 2015, the increase of $61,906 in selling, general and administrative expense, as compared to the same period in the prior year, was primarily related to the following:
Increase in salary, benefits and other labor expenses of $53,296. The increase was primarily due to $29,634 of stock-based compensation expense related to the acceleration of Alexion stock awards for former Synageva employees and increases in payroll and benefits within our general and administrative functions to support our infrastructure growth as a global commercial entity.

31

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

Increase in external selling, general and administrative expenses of $8,610. The increase was primarily due to an increase in professional services to support our continuing infrastructure growth.
For the six months ended June 30, 2015, the increase of $119,731 in selling, general and administrative expense, as compared to the same period in the prior year, was primarily related to the following:
Increase in salary, benefits and other labor expenses of $94,981. The increase was primarily due to $29,634 of stock-based compensation expense related to the acceleration of Alexion stock awards for former Synageva employees and increases in payroll and benefits within our general and administrative functions to support our infrastructure growth as a global commercial entity.
Increase in external selling, general and administrative expenses of $24,750. The increase was primarily due to an increase in marketing costs to support the continued growth in global sales of Soliris, increased costs associated with new product candidates, and an increase in other administrative costs to support our infrastructure growth.
Acquisition-related Costs
Acquisition-related costs for the three and six months ended June 30, 2015 and 2014 associated with our business combinations included the following:
 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2015
 
2014
 
2015
 
2014
Transaction costs (1)
$
26,799

 
$

 
$
26,799

 
$

Integration costs
2,978

 

 
2,978

 

Changes in fair value of contingent consideration
4,044

 
1,989

 
16,023

 
1,951

 
$
33,821

 
$
1,989

 
$
45,800

 
$
1,951

 
 
 
 
 
 
 
 
(1) Transaction costs include investment advisory, legal, and accounting fees

Transaction and integration costs for the three and six months ended June 30, 2015 are due to the acquisition of Synageva.
Restructuring Expenses
In conjunction with the acquisition of Synageva we recorded restructuring expenses of $10,322 related to employee costs in June 2015. We expect to pay all accrued amounts related to this restructuring activity within twelve months.
In the fourth quarter of 2014, we announced plans to relocate our European headquarters from Lausanne, Switzerland to Zurich, Switzerland. The relocation of the European headquarters will support our operational needs based on growth in the European region. For the three and six months ended June 30, 2015 we incurred additional restructuring expenses of $5,902 and $12,954, respectively. We expect to pay all accrued amounts related to this restructuring activity in 2015.
Other Income and Expense
The following table provides information regarding other income and expense:
 
Three months ended
 
 
 
Six months ended
 
 
 
June 30,
 
$
 
June 30,
 
$
 
2015
 
2014
 
Variance
 
2015
 
2014
 
Variance
Investment income
$
2,226

 
$
1,714

 
$
512

 
$
5,110

 
$
3,927

 
$
1,183

Interest expense
(3,971
)
 
(715
)
 
(3,256
)
 
(4,622
)
 
(1,778
)
 
(2,844
)
Foreign currency gain (loss)
(2,045
)
 
(1,202
)
 
(843
)
 
(1,040
)
 
56

 
(1,096
)
Total other income and expense
$
(3,790
)
 
$
(203
)
 
$
(3,587
)
 
$
(552
)
 
$
2,205

 
$
(2,757
)
Interest expense increased during the three and six months ended June 30, 2015 as compared to the same periods in 2014 due to the issuance of new debt in connection with the acquisition of Synageva in June 2015 and amortization of deferred financing fees associated with our previous credit agreement.

32

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

Income Taxes
During the three and six months ended June 30, 2015, we recorded an income tax provision of $7,077 and $22,699 and an effective tax rate of 4.0% and 8.0%, compared to an income tax provision of $52,151 and $104,708 and an effective tax rate of 23.9% and 24.3% for the three and six months ended June 30, 2014. We expect to continue to benefit from a reduced tax rate compared to periods prior to January 1, 2014 as a result of centralizing our global supply chain and technical operations in Ireland in the fourth quarter of 2013.
The tax provision for the three and six months ended June 30, 2015 is attributable to the U.S. federal, state and foreign income taxes on our operations. Additionally, reflected in the tax provision for the for the three and six months ended June 30, 2015 are the benefits realized in connection with our acquisition of Synageva. These benefits primarily include current year operating losses. Additionally, included in the six months ended June 30, 2014 is $2,128 of tax attributable to our agreement with the French government that provided reimbursement for shipments of Soliris made prior to January 1, 2014. The remaining reduction in the effective tax rate for the three and six months ended June 30, 2015 as compared to the same period in the prior year is primarily attributable to an increase in our Federal Orphan Drug Credit and an increase in the amount of income earned in jurisdictions outside the U.S.
We continue to maintain a valuation allowance against certain other deferred tax assets where the realization is not certain. We periodically evaluate the likelihood of the realization of deferred tax assets and reduce the carrying amount of these deferred tax assets by a valuation allowance to the extent we believe a portion will not be realized.
Financial Condition, Liquidity and Capital Resources
The following table summarizes the components of our financial condition as of June 30, 2015 and December 31, 2014:
 
June 30, 2015
 
December 31, 2014
 
$
Variance
Cash and cash equivalents
$
1,322,123

 
$
943,999

 
$
378,124

Marketable securities
$
172,229

 
$
1,017,567

 
$
(845,338
)
Long-term debt (includes current portion)
$
3,500,000

 
$
57,500

 
$
3,442,500

 
 
 
 
 
 
Current assets
$
2,533,238

 
$
2,796,029

 
$
(262,791
)
Current liabilities
769,169

 
606,740

 
162,429

Working capital
$
1,764,069

 
$
2,189,289

 
$
(425,220
)
 
The net decrease in cash and cash equivalents and marketable securities was primarily attributable payments related to the acquisition of Synageva. The increase in long-term debt is due to issuance of the new term loan to finance the Synageva acquisition.
We expect continued growth in our expenditures, particularly those related to research and product development, clinical trials, regulatory approvals, international expansion, commercialization of products and capital investment. However, we anticipate that cash generated from operations and our existing available cash, cash equivalents and marketable securities should provide us adequate resources to fund our operations as currently planned.
We have financed our operations and capital expenditures primarily through positive cash flows from operations. We expect to continue to be able to fund our operations, including principal and interest payments on our credit facility and contingent payments from our acquisitions principally through our cash flows from operations. We may, from time to time, also seek additional funding through a combination of equity or debt financings or from other sources, if necessary for future acquisitions or other strategic purposes.
Financial Instruments
Until required for use in the business, we may invest our cash reserves in money market funds or high-quality marketable securities in accordance with our investment policy. The stated objectives of our investment policy are to preserve capital, provide liquidity consistent with forecasted cash flow requirements, maintain appropriate diversification and generate returns relative to these investment objectives and prevailing market conditions.
Financial instruments that potentially expose us to concentrations of credit risk are cash equivalents, marketable securities, accounts receivable and our foreign exchange derivative contracts. At June 30, 2015, three individual customers accounted for an aggregate of 45% of the accounts receivable balance, with individual customers ranging from 12% to 20% of the accounts receivable balance. At December 31, 2014, four individual customers accounted for an aggregate of 58% of the accounts receivable balance, with individual customers ranging from 10% to 23% of the accounts receivable balance. For the

33

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

three and six months ended June 30, 2015, two customers accounted for 18% and 11%, respectively, of our product sales. For the three and six months ended June 30, 2014, one customer accounted for 19% and 18%, respectively, of our product sales.
We continue to monitor economic conditions, including volatility associated with global economies and the associated impacts on the financial markets and our business. Substantially all of our accounts receivable due from these countries are due from or backed by sovereign or local governments, and the amount of non-sovereign accounts receivable is not material. Although collection of our accounts receivables from certain countries may extend beyond our standard credit terms, we do not expect any such delays to have a material impact on our financial condition or results of operations. Our exposure in Greece is limited as we do not have a material amount of revenue and accounts receivable in Greece.
We manage our foreign currency exposure within specified guidelines through the use of derivatives. All of our derivative instruments are utilized for risk mitigation purposes, and we do not use derivatives for speculative trading purposes. As of June 30, 2015, we have foreign exchange forward contracts with notional amounts totaling $2,027,883. These outstanding foreign exchange forward contracts had a net fair value of $163,250, of which an unrealized gain of $171,670 is included in other assets, offset by an unrealized loss of $8,420 included in other liabilities. The counterparties to these foreign exchange forward contracts are large multinational commercial banks, and we believe the risk of nonperformance is not material.
At June 30, 2015, our financial assets and liabilities were recorded at fair value. We have classified our financial assets and liabilities as Level 1, 2 or 3 within the fair value hierarchy. Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities. Our Level 1 assets consist of mutual fund investments. Level 2 inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, but substantially the full term of the financial instrument. Our Level 2 assets consist primarily of institutional money market funds, commercial paper, municipal bonds, U.S. and foreign government-related debt, corporate debt securities, certificates of deposit and foreign exchange forward contracts. Our Level 2 liabilities consist also of foreign exchange forward contracts and long term debt. Level 3 inputs are unobservable inputs based on our own assumptions used to measure assets and liabilities at fair value. Our Level 3 liabilities consist of contingent consideration related to acquisitions.
Business Combinations and Contingent Consideration Obligations
 The purchase agreements for some of our business combinations include contingent payments totaling up to $876,000 that will become payable if and when certain development and commercial milestones are achieved.  Of these milestone amounts, $561,000 and $315,000 of the contingent payments relate to development and commercial milestones, respectively. We do not expect these amounts to have a significant impact on our liquidity in the near-term, and, during the next 12 months, we expect to make milestone payments totaling approximately $50,000.  As additional future payments become probable, we will evaluate methods of funding payments, which could be made from available cash and marketable securities, cash generated from operations or proceeds from other financing.
Financing Lease Obligations
In November 2012, we entered into a lease agreement for office and laboratory space to be constructed in New Haven, Connecticut. Although we will not legally own the premises, we are deemed to be the owner of the building during the construction period based on applicable accounting guidance for build-to-suit leases due to our involvement during the construction period. Accordingly, the landlord's costs of constructing the facility are required to be capitalized, as a non-cash transaction, offset by a corresponding facility lease obligation in our consolidated balance sheet. As of June 30, 2015, we recorded a construction-in-process asset of $196,480, inclusive of the landlord's costs as well as costs incurred by Alexion, and an offsetting facility lease obligation of $126,164 associated with the new facility.
License Agreements
In March 2015, we entered into an agreement with a third party that allowed us to exercise an option with another third party for exclusive, worldwide, perpetual license rights to a specialized technology and other intellectual property and we simultaneously exercised the option. Due to the early stage of these assets, we recorded expense for the payments of $47,000 during the first quarter 2015.
In March 2015, we entered into a collaboration agreement with a third party that allows us to identify and optimize drug candidates. Alexion will have the exclusive worldwide rights to develop and commercialize products arising from the collaboration. Due to the early stage of the assets we are licensing in connection with the collaboration, we recorded expense for the upfront payment of $15,000 during the first quarter 2015. In addition, we could be required to pay up to an additional $252,500 if certain development, regulatory, and commercial milestones are met over time, as well as royalties on commercial sales.
In January 2015, we entered into a license agreement with a third party to obtain an exclusive research, development and commercial license for specific therapeutic molecules. Due to the early stage of these assets, we recorded expense for the

34

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

upfront payment of $50,000 during the first quarter 2015. In addition, we could be required to pay up to an additional $830,000 if certain development, regulatory, and commercial milestones are met over time, as well as royalties on commercial sales.
In January 2014, we entered into an agreement with Moderna Therapeutics, Inc. (Moderna) that allows us to purchase ten product options to develop and commercialize treatments for rare diseases with Moderna's messenger RNA (mRNA) therapeutics platform. Alexion will lead the discovery, development and commercialization of the treatments produced through this broad, long-term strategic agreement, while Moderna will retain responsibility for the design and manufacture of the messenger RNA against selected targets. Due to the early stage of these assets, we recorded expense for an upfront payment of $100,000.  We will also be responsible for funding research activities under the program.  In addition, for each drug target, up to a maximum of ten targets, we could be required to make an option exercise payment of $15,000 and to pay up to an additional $120,000 with respect to a rare disease product and $400,000 with respect to a non-rare disease product in development and sales milestones if the specific milestones are met over time as well as royalties on commercial sales. 
Our license agreements include contingent payments that will become payable if and when certain development, regulatory and commercial milestones are achieved. We do not expect the payments associated with these milestones to have a significant impact on our liquidity in the near-term. During the next 12 months, we expect to make milestone payments related to our license agreements of approximately $17,000.
Long-term Debt
On June 22, 2015, Alexion entered into a credit agreement (the Credit Agreement) with a syndicate of banks, which provides for a $3,500,000 term loan facility and a $500,000 revolving facility. Borrowings under the credit facilities are payable in quarterly installments equal to 1.25% of the original loan amount, beginning December 31, 2015. Final repayment of the term loan and revolving credit loans are due on June 22, 2020. In addition to borrowings in which prior notice is required, the revolving credit facility includes a sublimit of $100,000 in the form of letters of credit and borrowings on same-day notice, referred to as swingline loans, of up to $25,000. Borrowings can be used for working capital requirements, acquisitions and other general corporate purposes.
In connection with the acquisition of Synageva in June 2015, we borrowed $3,500,000 under the term loan facility and $200,000 under the revolving facility, and we used our available cash for the remaining cash consideration. In June 2015, we repaid the revolving facility in full. As of June 30, 2015, we had $3,500,000 outstanding on the term loan. As of June 30, 2015, we had open letters of credit of $5,672, and our borrowing availability under the revolving facility was $494,328.
Manufacturing Obligations
We have supply agreements with Lonza through 2028 relating to the manufacture of Soliris and Strensiq (asfotase alfa), which requires payments to Lonza at the inception of contract and upon the initiation and completion of product manufactured. On an ongoing basis, we evaluate our plans for future levels of manufacturing by Lonza, which depends upon our commercial requirements, the progress of our clinical development programs and the production levels of ARIMF.
We have various agreements with Lonza, with remaining total non-cancellable commitments of approximately $1,226,360 through 2028. Such commitments may be canceled only in limited circumstances. If we terminate certain supply agreements with Lonza without cause, we will be required to pay for product scheduled for manufacture under our arrangement. Under an existing arrangement with Lonza, we also pay Lonza a royalty on sales of Soliris manufactured at ARIMF and a payment with respect to sales of Soliris manufactured at Lonza facilities. In July 2015, we announced a new long term supply agreement with Lonza whereby Lonza will construct a new manufacturing line dedicated to Alexion manufacturing at their existing Portsmouth, New Hampshire facility.
In addition, we have non-cancellable commitments of approximately $40,950 through 2019 with other third party manufacturers.
Taxes
We do not record U.S. tax expense on the undistributed earnings of our controlled foreign corporation (CFC) subsidiaries because these earnings are intended to be permanently reinvested offshore. At December 31, 2014, the cumulative amount of these earnings was approximately $359,000. During the fourth quarter of 2013, in connection with the centralization of our global supply chain and technical operations in Ireland, our U.S. parent company became a direct partner in a foreign partnership subsidiary. To the extent that our U.S. parent company receives its allocation of partnership taxable income, the amounts will be taxable in the U.S. and therefore the permanent reinvestment assertion will no longer apply.
We do not have any present or anticipated future need for cash held by our CFCs, as cash generated in the U.S., as well as borrowings, are expected to be sufficient to meet U.S. liquidity needs for the foreseeable future. At June 30, 2015, approximately $726,000 of our cash and cash equivalents was held by foreign subsidiaries, a significant portion of which is required for liquidity needs of our foreign subsidiaries. Due to the liability position of our foreign subsidiaries, these

35

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

subsidiaries will repay any outstanding intercompany debt, prior to having excess cash available which could be used to repatriate to our entities in the United States. While our expectation is that all future undistributed earnings of our CFCs will be permanently reinvested, there could be certain unforeseen future events that could impact our permanent reinvestment assertion. Such events include acquisitions, corporate restructurings or tax law changes not currently contemplated.
Common Stock Repurchase Program
In November 2012, our Board of Directors authorized a share repurchase program. The repurchase program does not have an expiration date, and we are not obligated to acquire a particular number of shares. The repurchase program may be discontinued at any time at the Company's discretion. We expect that cash generated from operations and our existing available cash and cash equivalents are sufficient to fund any share repurchases.
During the six months ended June 30, 2015 and 2014, we repurchased 466 and 1,149 shares of our common stock at a cost of $83,563 and $178,515, respectively. In May 2015, our Board of Directors increased the authorization of shares up to $1,000,000 for future purchases under the repurchase program, which superseded all prior repurchase programs. As previously disclosed, the Company did not repurchase any shares during the pendency of the Synageva acquisition. As of June 30, 2015, there is a total of $1,000,000 remaining for repurchases under the program.
Cash Flows
The following summarizes our net change in cash and cash equivalents:
 
Six months ended June 30,
 
$
 
2015
 
2014
 
Variance
Net cash provided by operating activities
$
261,256

 
$
75,095

 
$
186,161

Net cash used in investing activities
(3,228,389
)
 
(90,116
)
 
(3,138,273
)
Net cash provided by financing activities
3,351,415

 
96,632

 
3,254,783

Effect of exchange rate changes on cash
(6,158
)
 
577

 
(6,735
)
Net change in cash and cash equivalents
$
378,124

 
$
82,188

 
$
295,936

The increase in cash and cash equivalents was primarily attributable to proceeds of $3,700,000 from our new term loan and revolving credit facility, proceeds from the maturity or sale of available-for-sale securities, net proceeds from the exercise of stock options, a reduction of income taxes payable due to excess tax benefits from stock options and cash generated from operations. These increases were offset by the cash payment of $3,939,268 related to the acquisition of Synageva, repayments against outstanding loans, purchases of marketable securities, and purchases of property, plant and equipment.

Operating Activities
The components of cash flows from operating activities, as reported in our condensed consolidated statements of cash flows, are as follows:

Our net income was $261,538 and $325,849 for the six months ended June 30, 2015 and 2014, respectively. During the first quarter of 2015, we recorded expense of $112,000 for upfront payments associated with license agreements we entered into with third parties and acquisition-related costs of $45,800. During the first quarter of 2014, we recorded expense of $100,000 for an upfront payment related to an option agreement we entered into with Moderna Therapeutics, Inc.
Non-cash items included depreciation and amortization, impairment of intangible assets, change in fair value of contingent consideration, share-based compensation expense, premium amortization of available-for-sale securities, unrealized foreign currency gains, and deferred taxes, and were increases (decreases) to reconcile net income to net cash flows from operating activities of $141,056 and $(31,288) for the six months ended June 30, 2015 and 2014, respectively.
Non-cash items also included $10,763 and $254,547 of windfall tax benefits for the six months ended June 30, 2015 and 2014, respectively. The amount of the windfall tax benefit was significantly higher for the six months ended June 30, 2014 due to an increased level of stock option exercises.
Net cash (outflow) inflow due to changes in operating assets and liabilities was $(130,575) and $35,081 for the six months ended June 30, 2015 and 2014, respectively. The $(130,575) change in operating assets and liabilities primarily relates to:
Increase in accounts receivable of $108,984 due primarily to increasing revenue.

36

Alexion Pharmaceuticals, Inc.
(amounts in thousands, except per share amounts)

Increase of $48,069 in prepaid expenses and other assets primarily related to increases in prepaid manufacturing costs.
Decrease of $10,761 in accounts payable, accrued expenses and other liabilities primarily related to decreases in accrued compensation and accrued income taxes, offset by increases in accrued clinical costs, accrued distribution fees and accrued severance.
Increase in deferred revenue of $32,517 due to increased shipments in advance of recognizing revenue.
Investing Activities
The components of cash flows from investing activities consisted of the following:
Purchases of available-for-sale marketable securities of $187,416 and $278,134 for the six months ended June 30, 2015 and 2014, respectively, offset by proceeds from the maturity or sale of available-for-sale marketable securities of $1,030,825 and $275,946, respectively, during the same periods.
Additions to property, plant and equipment of $130,171 and $61,189 for the six months ended June 30, 2015 and 2014, respectively.
Payment of $3,939,268 for the six months ended June 30, 2015 related to the Synageva acquisition.
Financing Activities
Net cash flows from financing activities reflected proceeds from the exercise of stock options of $31,684 and $52,181 for the six months ended June 30, 2015 and 2014, respectively. Net cash flows for the six months ended June 30, 2015 and 2014 also include $10,763 and $254,547, respectively, of excess tax benefits from stock options attributable to the utilization of the excess tax benefit portion of federal and state net operating losses and tax credits.
In connection with the acquisition of Synageva in June 2015, we borrowed $3,500,000 under our new term loan facility and $200,000 under our new revolving credit facility, and incurred debt issuance costs of $45,492. In June 2015, we repaid the revolving facility in full. In addition, in conjunction with our new financing, all outstanding borrowings under our prior credit agreement were repaid in the second quarter of 2015. As of June 30, 2015, we had $3,500,000 outstanding on the term loan and zero outstanding on the revolver.
During the six months ended June 30, 2015 and 2014, we repurchased $83,563 and $178,515 worth of shares of our common stock under our repurchase programs.
Contractual Obligations
The disclosure of payments we have committed to make under our contractual obligations are summarized in our Annual Report on Form 10-K for the twelve months ended December 31, 2014, in the section titled “Management's Discussion and Analysis of Financial Condition and Results of Operations” under the caption “Contractual Obligations.”

Item 3.
QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.
(amounts in thousands, except percentages)
Interest Rate Risk
As of June 30, 2015, we invested our cash in a variety of financial instruments, principally money market funds, corporate bonds, municipal bonds, commercial paper and government-related obligations. Most of our interest-bearing securities are subject to interest rate risk and could decline in value if interest rates increase. Our investment portfolio is comprised of marketable securities of highly rated financial institutions and investment-grade debt instruments, and we have guidelines to limit the length of time-to-maturity of our investments. If interest rates were to increase or decrease by 1%, the fair value of our investment portfolio would increase (decrease) by approximately $(886) and $574, respectively.
In June 2015, we entered into the Credit Agreement with interest at a rate per annum equal to either a base rate or a Eurodollar rate plus, in each case, an applicable margin. The applicable margins on base rate loans range from 0.25% to 1.00% and the applicable margins on Eurodollar loans range from 1.25% to 2.00%, in each case depending upon our consolidated net leverage ratio (as calculated in accordance with the Credit Agreement). Changes in interest rates related to the Credit Agreement could have a material effect on our financial statements. As of June 30, 2015, we had approximately $3,500,000 of variable rate debt outstanding. If interest rates were to increase or decrease by 1% for the year, annual interest expense would increase or decrease by approximately $35,000.

37


Foreign Exchange Market Risk
Our operations include activities in many countries outside the United States, including countries in Europe, Latin America and Asia Pacific.  As a result, our financial results are impacted by factors such as changes in foreign currency exchange rates or weak economic conditions in the foreign markets where we operate.  We have exposure to movements in foreign currency exchange rates, the most significant of which are the Euro and Japanese Yen, against the U.S. dollar.  We are a net recipient of many foreign currencies, and our consolidated financial results benefit from a weaker U.S. dollar and are adversely impacted by a stronger U.S. dollar relative to foreign currencies in which we sell our product. 
Our monetary exposures on our balance sheet arise primarily from cash, accounts receivable, intercompany receivables and payables denominated in foreign currencies.  Approximately 52% and 53% of our net product sales were denominated in foreign currencies during for the three and six months ended June 30, 2015, and our revenues are also exposed to fluctuations in the foreign currency exchange rates over time.  In certain foreign countries, we may sell in U.S. Dollar, but our customers may be impacted adversely in fluctuations in foreign currency exchange rates which may also impact us in the future.
Both positive and negative impacts to our international product sales from movements in foreign currency exchange rates are only partially mitigated by the natural, opposite impact that foreign currency exchange rates have on our international operating expenses.  Additionally, we have operations based in Switzerland and Ireland, and accordingly, our expenses are impacted by fluctuations in the value of the Swiss Franc and Euro against the U.S. dollar.
We currently have a derivative program in place to achieve the following: 1) mitigate the foreign currency exposure of our monetary assets and liabilities on our balance sheet, using forward contracts with durations of up to 30 days and 2) hedge a portion of our forecasted product sales (in some currencies), including intercompany sales, using contracts with durations of up to 60 months. The objectives of this program are to reduce the volatility of our operating results due to fluctuation of foreign exchange and to increase the visibility of the foreign exchange impact on forecasted revenues. This program utilizes foreign exchange forward contracts intended to reduce, not eliminate, the volatility of operating results due to fluctuations in foreign exchange rates.
As of June 30, 2015 and December 31, 2014, we held foreign exchange forward contracts with notional amounts totaling $2,027,883 and $1,748,931, respectively. The increase in outstanding foreign exchange forward contracts resulted primarily from increases in forecasted revenues and, for certain currencies, extended duration of hedges. As of June 30, 2015 and December 31, 2014, our outstanding foreign exchange forward contracts had a net fair value of $163,250 and $135,166, respectively. The increase in the net fair value of outstanding foreign exchange forward contracts is primarily due to the strengthening of the U.S. dollar in 2015.
We do not use derivative financial instruments for speculative trading purposes. The counterparties to these foreign exchange forward contracts are multinational commercial banks. We believe the risk of counterparty nonperformance is not material.
Based on our foreign currency exchange rate exposures at June 30, 2015, a hypothetical 10% adverse fluctuation in exchange rates would decrease the fair value of our foreign exchange forward contracts that are designated as cash flow hedges by approximately $166,723 at June 30, 2015. The resulting loss on these forward contracts would be offset by the gain on the underlying transactions and therefore would have minimal impact on future anticipated earnings and cash flows. Similarly, adverse fluctuations in exchange rates that would decrease the fair value of our foreign exchange forward contracts that are not designated as hedge instruments would be offset by a positive impact of the underlying monetary assets and liabilities.
Credit Risk
As a result of our foreign operations, we are exposed to changes in the general economic conditions in the countries in which we conduct business. Substantially all of our accounts receivable due from these countries are due from or backed by sovereign or local governments, and the amount of non-sovereign accounts receivable is not material. We continue to monitor economic conditions, including volatility associated with international economies and the associated impacts on the financial markets and our business. Although collection of our accounts receivables from certain countries may extend beyond our standard credit terms, we currently do not expect such delays to have a material impact on our financial condition or results of operations. Our exposure in Greece is limited as we do not have a material amount of revenue and accounts receivable in Greece.

Item 4.
CONTROLS AND PROCEDURES
Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended, or the Exchange Act) as of June 30, 2015. Based on this evaluation, our Chief Executive Officer and Chief Financial Officer concluded that, as of June 30, 2015, our disclosure controls and procedures were effective

38


to provide reasonable assurance that information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure, and ensure that information required to be disclosed in the reports we file or submit under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC's rules and forms.
There has been no change in our internal control over financial reporting that occurred during the quarter ended June 30, 2015 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

39



PART II. OTHER INFORMATION

Item 1.
LEGAL PROCEEDINGS.
As previously disclosed, in May 2015, we received a subpoena in connection with an investigation by the Enforcement Division of the U.S. Securities and Exchange Commission (SEC) requesting information related to our grant-making activities and compliance with the Foreign Corrupt Practices Act in various countries. The SEC also seeks information related to Alexion’s recalls of specific lots of Soliris and related securities disclosures. Alexion is cooperating with the SEC’s investigation, which is in its early stages. At this time, Alexion is unable to predict the duration, scope or outcome of the SEC investigation. Given the early stage of this investigation, management does not currently believe a loss related to this matter is probable or that the potential magnitude of such loss or range of loss, if any, can be reasonably estimated.

Item 1A.
Risk Factors.
(amounts in thousands, except percentages)
You should carefully consider the following risk factors before you decide to invest in Alexion and our business because these risk factors may have a significant impact on our business, operating results, financial condition, and cash flows. The risks and uncertainties described below are not the only ones we face. Additional risks and uncertainties not presently known to us or that we currently deem immaterial may also impair our business operations. If any of the following risks actually occurs, our business, financial condition and results of operations could be materially and adversely affected.
Risks Related to Our Products
We depend heavily on the success of our lead product, Soliris. If we are unable to increase sales of Soliris, or sales of Soliris are adversely affected, our business may be materially harmed.
Currently, our ability to generate revenues depend on the commercial success of Soliris and whether physicians, patients and health care payers view Soliris as therapeutically effective and safe relative to cost. Since we launched Soliris in the United States in April 2007, essentially all of our revenue has been attributed to sales of Soliris. In July 2015, we received marketing approval of our second marketed product, Strensiq (asfotase alfa) for the treatment of HPP, in Japan. In 2015, we also believe we will receive marketing approval of Kanuma for the treatment of LAL-D in the U.S. and other countries, and of Strensiq in additional countries. However, we anticipate that Soliris product sales will continue to contribute to a significant percentage of our total revenue over the next several years.
The commercial success of Soliris and our ability to generate and increase revenues depends on several factors, and is subject to risks and uncertainties, discussed in more detail below, including reimbursement, pricing, safety, and manufacturing.
Our future commercial success depends on gaining regulatory approval for products in development, including Strensiq and Kanuma, and obtaining approvals for Soliris for additional indications.
The testing, manufacturing and marketing of our products require regulatory approvals, including approval from the FDA and other regulatory agencies in other countries. Our future revenues would be adversely affected if we are delayed or do not obtain the necessary regulatory approvals in the U.S. and other countries for products in development, including Strensiq and Kanuma, and approvals for Soliris for additional indications.

Several factors could affect our ability to obtain and maintain regulatory approvals, including:
Preclinical tests or clinical trials may produce negative or inconclusive results, and we may decide or regulators may require us, to conduct additional preclinical testing prior to initiating clinical trials, or to suspend ongoing studies;
we may decide, or regulators may require us, to modify the design of our preclinical studies or clinical trials which may cause us to delay or abandon the study;
we may be required to suspend or terminate one or more of clinical trials if we or a regulator determines that the participants are being exposed to unacceptable health risks;
even if a product is approved, the scope of the approval may limit the indicated uses or the patient population, or may include significant limitations that could adversely affect the sales and profitability of the product;
after a product is approved, the FDA or other regulatory agencies in other countries may withdraw or modify an approval or request that we perform additional clinical trials or change the labeling of the product due to a number of reasons, including safety concerns, adverse events and side effects; and

40


approved products, and our manufacturers, are subject to continuing and ongoing review by regulatory agencies, and the discovery of previously unknown problems with these products or the failure to comply with manufacturing or quality control requirements may result in restrictions on the manufacture, sale or use of a product or its withdrawal from the market.
We dedicate significant resources to the worldwide commercialization of our products. We have established sales and marketing capabilities in the United States and in many countries throughout the world. We cannot guarantee that any marketing application for our products will be approved or maintained in any country where we seek marketing authorization. In certain countries, we must finalize operational, reimbursement, price approval and funding processes for each product so that we may, upon conclusion of such discussions, commence commercial sales of in those countries. Our ability to complete such processes successfully is subject to the risks and uncertainties described in this Quarterly Report on Form 10-Q. We cannot guarantee that we will be able to obtain reimbursement for our products or successfully commercialize our products in any additional countries, or that we will be able to maintain coverage or reimbursement at anticipated levels in any country in which we have already received marketing approval. As a result, sales in certain countries may be delayed or never occur, or may be subsequently reduced.
The commercial success of our products and our ability to generate and increase revenues will depend on several factors, including the following:
receipt of marketing approvals in new territories, and the maintenance of marketing approvals for Soliris in the United States, the European Union, Japan and other territories;
our ability to obtain sufficient coverage or reimbursement by government or third-party payers and our ability to maintain coverage or reimbursement at anticipated levels;
establishment and maintenance of our commercial manufacturing capabilities ourselves or through third-party manufacturers;
the number of patients with PNH, aHUS, HPP, and LAL-D and the number of those patients who are diagnosed and identified to us;
the number of patients with PNH and aHUS that may be treated with Soliris, the number of patients with HPP that may be treated with Strensiq, and the number of patients with LAL-D that may be treated with Kanuma;
successful continuation of commercial sales in the United States, Japan and in European countries where we are already selling Soliris for the treatment of PNH and aHUS;
successful launch of our products in countries where we have not yet obtained, or only recently obtained, marketing approval or commenced sales;
acceptance of our products and maintenance of safety and efficacy in the medical community; and
our ability to develop, register and commercialize Soliris for indications other than PNH and aHUS.
 If we are not successful in increasing sales of our products in the United States, Europe and Japan and commercializing in the rest of the world, or are significantly delayed or limited in doing so, we may experience surplus inventory, our business may be materially harmed and we may need to significantly curtail operations.
If we are unable to obtain, or maintain at anticipated levels, reimbursement for our products, including Soliris, from government health administration authorities, private health insurers and other organizations, our pricing may be affected or our product sales, results of operations or financial condition could be harmed.
We may not be able to sell our products, including Soliris, on a profitable basis or our profitability may be reduced if we are required to sell our products at lower than anticipated prices or reimbursement is unavailable or limited in scope or amount. Soliris is significantly more expensive than traditional drug treatments and almost all patients require some form of third party coverage to afford its cost. Our future revenues and profitability will be adversely affected if we cannot depend on governmental payers, such as Medicare and Medicaid in the United States or country specific governmental organizations in foreign countries, and private third-party payers to defray the cost of Soliris or our other products to patients. These entities may refuse to provide coverage and reimbursement, determine to provide a lower level of coverage and reimbursement than anticipated, or reduce previously approved levels of coverage and reimbursement, including in the form of higher mandatory rebates or modified pricing terms. In any such case, our pricing or reimbursement for our products may be affected and our product sales, results of operations or financial condition could be harmed.
 In certain countries where we sell or are seeking or may seek to commercialize our products, including certain countries where we both sell Soliris for the treatment of PNH and sell or seek to commercialize Soliris for the treatment of aHUS, if approved by the appropriate regulatory authority, pricing, coverage and level of reimbursement of prescription drugs are subject to governmental control. We may be unable to timely or successfully negotiate coverage, pricing, and reimbursement on terms

41


that are favorable to us, or such coverage, pricing, and reimbursement may differ in separate regions in the same country. In some foreign countries, the proposed pricing for a drug must be approved before it may be lawfully marketed. The requirements governing drug pricing vary widely from country to country, and we cannot guarantee that we will have the capabilities or resources to successfully conclude the necessary processes and commercialize our products in every, or even most countries in which we seek to sell Soliris.
Reimbursement sources are different in each country and in each country may include a combination of distinct potential payers, including private insurance and governmental payers. For example, the European Union member states' authorities may restrict the range of medicinal products for which their national health insurance systems provide reimbursement and adopt additional measures to control the prices of medicinal products for human use. This includes the use of reference pricing and Health Technology Assessment (HTA). HTA is the procedure according to which the assessment of the public health impact, therapeutic impact and the economic and societal impact of the use of a given medicinal product in the national healthcare systems of the individual country is conducted. HTA generally focuses on the clinical efficacy and effectiveness, safety, cost, and cost-effectiveness of individual medicinal products as well as their potential implications for the healthcare system. These elements of medicinal products are compared with other treatment options available on the market. The national authorities of some European Union member states may from time to time approve a specific price for the medicinal product. Others may adopt a system of direct or indirect controls on the profitability of the company placing the medicinal product on the national market. Some countries have and others may seek to impose limits on the aggregate reimbursement for Soliris or for the use of Soliris for certain indications. In such cases, our commercial operations in such countries and our results of operations and our business are and may be adversely affected. Our results of operations may suffer if we are unable to successfully and timely conclude reimbursement, price approval or funding processes and market Soliris or our other products in such foreign countries or if coverage and reimbursement for Soliris is limited or reduced. If we are not able to obtain coverage, pricing or reimbursement on terms acceptable to us or at all, or if such terms should change in any foreign countries, we may not be able to or we may determine not to sell our products in such countries, or we could decide to sell our products at a lower than anticipated price in such countries, and our revenues may be adversely affected as a result.
The potential increase in the number of patients receiving Soliris may cause third-party payers to modify or limit coverage or reimbursement for Soliris for the treatment of PNH, aHUS, or both indications.
Changes in pricing or the amount of reimbursement in countries where we currently commercialize our products may also reduce our profitability and worsen our financial condition. In the United States, the European Union member states, and elsewhere, there have been, and we expect there will continue to be, efforts to control and reduce health care costs. Third party payers decide which drugs they will pay for and establish reimbursement and co-payment levels. Government and other third-party payers in the United States and the European Union member states are increasingly challenging the prices charged for health care products, examining the cost effectiveness of drugs in addition to their safety and efficacy, and limiting or attempting to limit both coverage and the level of reimbursement for prescription drugs.
A significant reduction in the amount of reimbursement or pricing for Soliris in one or more countries may have a material adverse effect on our business. See additional discussion below under the headings "Changes in healthcare law and implementing regulations, including those based on recently enacted legislation, as well as changes in healthcare policy and Government initiatives that affect coverage and reimbursement of drug products may impact our business in ways that we cannot currently predict and these changes could adversely affect our business and financial condition" and "The credit and financial market conditions may aggravate certain risks affecting our business." In addition, certain countries establish pricing and reimbursement amounts by reference to the price of the same or similar products in other countries. If coverage or the level of reimbursement is limited in one or more countries, we may be unable to obtain or maintain anticipated pricing or reimbursement in current or new territories.
Many third-party payers cover only selected drugs, making drugs that are not preferred by such payer more expensive for patients, and require prior authorization or failure on another type of treatment before covering a particular drug. Third-party payers may be especially likely to impose these obstacles to coverage for higher-priced drugs such as Soliris.
Payers in the U.S. also are increasingly considering new metrics as the basis for reimbursement rates, such as average sales price (ASP), average manufacturer price, and actual acquisition cost. The existing data for reimbursement based on these metrics is relatively limited, although certain states have begun to survey acquisition cost data for the purpose of setting Medicaid reimbursement rates. The Centers for Medicare and Medicaid Services (CMS), the federal agency that administers Medicare and the Medicaid Drug Rebate Program, has begun posting drafts of this retail survey price information on at least a monthly basis in the form of draft National Average Drug Acquisition Cost (NADAC) files, which reflect retail community pharmacy invoice costs, and National Average Retail Price (NARP) files, which reflect retail community pharmacy prices to consumers. In July 2013, CMS suspended the publication of draft NARP data, pending funding decisions. In November 2013, CMS moved to publishing final rather than draft NADAC data and has since made updated NADAC data publicly available on a weekly basis. Therefore, it may be difficult to project the impact of these evolving reimbursement mechanics on the willingness of payers to cover Soliris.

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Even in countries where patients have access to insurance, their insurance co-payment amounts or annual or lifetime caps on reimbursements may represent a barrier to obtaining or continuing Soliris. We have financially supported non-profit organizations which assist patients in accessing treatment for PNH and aHUS, including Soliris. Such organizations assist patients whose insurance coverage leaves them with prohibitive co-payment amounts or other expensive financial obligations. Such organizations' ability to provide assistance to patients is dependent on funding from external sources, and we cannot guarantee that such funding will be provided at adequate levels, if at all. We have also provided Soliris without charge to patients who have no insurance coverage for drugs through related charitable purposes. We are not able to predict the financial impact of the support we may provide for these and other charitable purposes; however, substantial support could have a material adverse effect on our profitability in the future.
We are also focusing development efforts on the use of eculizumab for the treatment of additional diseases. The success of these programs depends on many factors, including those described in this Quarterly Report on Form 10-Q. As Soliris is approved by regulatory agencies for indications other than PNH and aHUS, the potential increase in the number of patients receiving Soliris may cause third-party payers to refuse coverage or reimbursement for Soliris for the treatment of PNH, aHUS or for any other approved indication, or provide a lower level of coverage or reimbursement than anticipated or currently in effect.
We may not be able to maintain market acceptance of our products among the medical community or patients, or gain market acceptance of our products in the future, which could prevent us from maintaining profitability or growth.
We cannot be certain that our products will maintain market acceptance in a particular country among physicians, patients, health care payers, and others. Although we have received regulatory approval for Soliris in certain territories, including the United States, Japan and the European Union, and for Strensiq in Japan, such approvals do not guarantee future revenue. We cannot predict whether physicians, other health care providers, government agencies or private insurers will determine or continue to accept that our products are safe and therapeutically effective relative to its cost. Physicians' willingness to prescribe, and patients' willingness to accept, our products, depends on many factors, including prevalence and severity of adverse side effects in both clinical trials and commercial use, the timing of the market introduction of competitive drugs, lower demonstrated clinical safety and efficacy compared to other drugs, perceived lack of cost-effectiveness, pricing and lack of availability of reimbursement from third-party payers, convenience and ease of administration, effectiveness of our marketing strategy, publicity concerning the product, our other product candidates or competing products, and availability of alternative treatments, including bone marrow transplant as an alternative treatment for PNH. The likelihood of physicians to prescribe Soliris for patients with aHUS may also depend on how quickly Soliris can be delivered to the hospital or clinic and our distribution methods may not be sufficient to satisfy this need. In addition, we are aware that medical doctors have determined not to continue Soliris treatment for some patients with aHUS.
Health insurance programs may restrict coverage of some products by using payer formularies under which only selected drugs are covered, variable co-payments that make drugs that are not preferred by the payer more expensive for patients, and by using utilization management controls, such as requirements for prior authorization or failure on another type of treatment. Payers may especially impose these obstacles to coverage for higher-priced drugs, and consequently our drug products may be subject to payer-driven restrictions. In addition, in some foreign countries, the proposed pricing for a drug must be approved before it may be lawfully marketed. The requirements governing drug pricing vary widely from country to country. For example, European Union member states may restrict the range of medicinal products for which their national health insurance systems provide reimbursement and to control the prices and/or reimbursement of medicinal products for human use. A European Union member state may approve a specific price or level of reimbursement for the medicinal product, or it may instead adopt a system of direct or indirect controls on the profitability of the company placing the medicinal product on the market. The reimbursement or budget identified by a government or non-government payer for our products, including Soliris in a new indication, if obtained, may be adversely affected by the reimbursement or budget for Soliris in previously approved indications and/or adversely affect the reimbursement or budget for Soliris in such previously approved indication by that payer.
If our products fail to achieve or maintain market acceptance among the medical community or patients in a particular country, we may not be able to market and sell it successfully in such country, which would limit our ability to generate revenue and could harm our overall business.

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If we or any third party manufacturer or provider fails to provide sufficient quantities of our products or our product candidates, including Soliris for new indications, we could experience product shortages, commercialization of our products may be stopped or delayed, our clinical trials could be disrupted or regulatory approvals could be delayed.
Soliris is manufactured by Alexion at ARIMF and by Lonza. Strensiq is manufactured by Lonza. We depend on a very limited number of third party providers for the manufacture and supply of Soliris, Strensiq and our product candidates. The manufacture of our products and our product candidates is difficult, requiring a multi-step controlled process and even minor problems or deviations could result in defects or failures. Manufacture of our products, including Soliris, is highly technical, and only a small number of companies have the ability and capacity to manufacture our products for our development and commercialization needs. Due to the highly technical requirements of manufacturing our products and the strict quality and control specifications, we and our third party providers may be unable to manufacture or supply our products despite our and their efforts. In addition, we cannot be certain that any third party will be able or willing to honor the terms of its agreement, including any obligations to manufacture our products in accordance with regulatory requirements and to our quality specifications and volume requirements.
We cannot be certain that we, Lonza or our other third party providers will be able to perform uninterrupted supply chain services. The failure to manufacture appropriate supplies of our products, on a timely basis, or at all, may prevent or interrupt commercialization. If we, Lonza or our other third party providers were unable to manufacture our products for any period for any reason, including due to the loss of approvals, or if we, Lonza or our other third party providers do not obtain approval for the manufacturing of our products in the respective facility by the applicable regulatory agencies, we may incur substantial loss of sales. See also our Risk Factor "If we or our contract manufacturers fail to comply with United States and foreign regulations, we or our manufacturers could lose our approvals to market our products, including Soliris, or our product candidates, and our business would be seriously harmed." We may also lose any redundancy in our manufacturing capabilities if we are no longer able to perform operations at ARIMF or any other facility. The failure to manufacture appropriate supplies of our product candidates, on a timely basis, or at all, may prevent or interrupt clinical development of our products, including Soliris for new indications. If we are forced to find an alternative supplier or other third party providers, in addition to loss of sales and disruption to patients, we may also incur significant costs and experience significant delay in establishing a new arrangement.
We are authorized to sell Soliris that is manufactured by Lonza and at ARIMF in the United States, the European Union, Japan and certain other territories. However, manufacturing Soliris for commercial sale in certain other territories may only be performed at a single facility until such time as we have received the required regulatory approval for an additional facility, if ever. We will continue to depend entirely on one facility to manufacture Soliris for commercial sale in such other territories until that time. We also depend entirely on one facility to manufacture Strensiq. Similarly, we also depend on a single manufacturing facility for the purification of Kanuma for commercial sale.
We have obtained marketing approval for Soliris for the treatment of patients with aHUS in the United States, the European Union, Japan and other territories. We expect that the demand for Soliris will increase. We may underestimate demand, or experience product interruptions at ARIMF, Lonza or a facility of a third party provider, including as a result of risks and uncertainties described in this report. If we, Lonza or our other third party providers do not manufacture sufficient quantities of our products to satisfy demand, our business will be materially harmed.
We depend on a very limited number of third party providers for other services with respect to our clinical and commercial requirements, including product filling, finishing, packaging, and labeling. We have changed or added third party fill/finish providers in the past in order to support uninterrupted supply, and may do so in the future.  We currently rely on a small number of third party fill/finish providers to support our commercial requirements. No guarantee can be made that regulators will approve additional third party fill/finish providers in a timely manner or at all, or that any third party fill/finish providers will be able to perform such services for sufficient product volumes for any country or territory. We do not have control over any third party provider's compliance with our internal or external specifications or the rules and regulations of the FDA, EMA, competent authorities of the European Union member states, MHLW or any other applicable regulations or standards. In the past, we have had to write off and incur other charges and expenses for production that failed to meet requirements, including with respect to recalls initiated in 2013 and 2014.
We have limited experience manufacturing commercial quantities of Strensiq. We acquired Kanuma upon consummating the acquisition of Synageva in June 2015. We have limited experience manufacturing Kanuma. We expect to substantially rely on the technical expertise and experience of Synageva-legacy employees and operations to manufacture sufficient quantities of Kanuma to satisfy our commercial requirements.
Certain of the raw materials required in the manufacturing and the formulation of our products are derived from biological sources. Such raw materials are difficult to procure and may be subject to contamination or recall. Also, some countries in which we may operate could restrict the use of certain biologically derived substances in the manufacture of drugs. Access to and supply of sufficient quantities of raw materials which meet the technical specifications for the production process is

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challenging, and limited to single-source suppliers. Finding an alternative supplier could take a significant amount of time and involve significant expense due to the nature of the products and the need to obtain regulatory approvals. The failure of these single-source suppliers to supply adequate quantities of raw materials for the production process in a timely manner may impact our ability to produce sufficient quantities of our products for clinical or commercial requirements. A material shortage, contamination, recall, or restriction on the use of certain biologically derived substances or any raw material used in the manufacture of our products could adversely impact or disrupt manufacturing , could result in a product shortage of clinical or commercial requirements, could result in a withdrawal of our product candidates or any approved products, or could cause us to incur significant expenses. As a result, our business, financial condition, and results of operations might be materially harmed.
Any difficulties or delays in our third party manufacturing, or any failure of our third party providers to comply with our internal and external specifications or any applicable rules, regulations and standards could increase our costs, constrain our ability to satisfy demand for our products from customers, cause us to lose revenue or incur penalties for failure to deliver product, make us postpone or cancel clinical trials, or cause our products to be recalled or withdrawn, such as the voluntary recalls, that we initiated in 2013 and 2014 due to the presence of visible particles in a limited number of vials in specific lots. Even if we are able to find alternatives they may ultimately be insufficient for our needs.
Due to the nature of the current market for third-party commercial manufacturing, many arrangements require substantial penalty payments by the customer for failure to use the manufacturing capacity for which it contracted. Penalty payments under these agreements typically decrease over the life of the agreement, and may be substantial initially and de minimis or non-existent in the final period. The payment of a substantial penalty could harm our financial condition.
In April 2014, we acquired a fill/finish facility in Ireland to support global distribution of Soliris and Alexion's other clinical and commercial products. To date, we have relied entirely on third party fill/finish providers and have never operated our own fill/finish facility. We cannot guarantee that we will be able to successfully complete the appropriate validation processes or obtain the necessary regulatory approvals, or that we will be able to perform fill/finish services at this facility to support our product requirements.
Many additional factors could cause production interruptions at ARIMF or at the facilities of Lonza or our third party providers, including natural disasters, labor disputes, acts of terrorism or war, human error, equipment malfunctions, contamination, or raw material shortages. The occurrence of any such event could adversely affect our ability to satisfy demand for Soliris, which could materially and adversely affect our operating results.
If we or our contract manufacturers fail to comply with United States and foreign regulations, we or our manufacturers could lose our approvals to market our products, including Soliris, or our product candidates, and our business would be seriously harmed.
We cannot guarantee that we will be able to maintain our regulatory approvals for our products, including Soliris. If we do not maintain our regulatory approvals, the value of our company and our results of operations will be materially harmed. We and our current and future partners, contract manufacturers and suppliers are subject to rigorous and extensive regulation by governmental authorities around the world, including the FDA, EMA, the competent authorities of the European Union member states, and MHLW. If we or a regulatory agency discover previously unknown problems with a product, such as adverse events of unanticipated severity or frequency, or problems with the facility where the product is manufactured, a regulatory agency may impose restrictions on that product, the manufacturing facility or us. For example, in March 2013, we received the Warning Letter from the FDA relating to compliance with cGMP at ARIMF. In August 2014 we announced that we received a Form 483 with three observations following an FDA inspection at ARIMF. If we do not resolve outstanding concerns expressed by the FDA in the Warning Letter and the August 2014 Form 483 to the satisfaction of the FDA, EMA or any other regulatory agency, or we or our third-party providers, including our product fill/finish providers, packagers and labelers, fail to comply fully with applicable regulations then we may be required to initiate a recall or withdrawal of our products.
The safety profile of any product continues to be closely monitored by the FDA and comparable foreign regulatory authorities after approval. Regulations continue to apply after product approval, and cover, among other things, testing, manufacturing, quality control, finishing, filling, labeling, advertising, promotion, risk mitigation, adverse event reporting requirements, and export of biologics. For example, the risk management program established in 2007 upon the FDA's approval of Soliris for the treatment of PNH was replaced with a Risk Evaluation and Mitigation Strategy (REMS) program, approved by the FDA in 2010. The REMS program requires mandatory physician certification in the United States. Each physician must certify that the physician is aware of the potential risks associated with the administration of Soliris and that the physician will inform each patient of these risks using educational material approved by the FDA. In November 2014, we met with the FDA Drug Safety and Risk Management Advisory Committee to discuss adjustments to the REMS with elements to assure safe use (ETASU). A majority of the Committee favored revising the REMS and made suggestions for streamlining prescriber assessments and broadening the program’s educational outreach. Changes to the Soliris REMS could be costly and burdensome to implement.

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 As a condition of approval for marketing our products, governmental authorities may require us to conduct additional studies. For example, in connection with the approval of Soliris in the United States, European Union and Japan, for the treatment of PNH, we agreed to establish a PNH Registry, monitor immunogenicity, monitor compliance with vaccination requirements, and determine the effects of anticoagulant withdrawal among PNH patients receiving eculizumab, and, specifically in Japan, we agreed to conduct a trial in a limited number of Japanese PNH patients to evaluate the safety of a meningococcal vaccine. Further, in connection with the approval of Soliris in the United States for the treatment of aHUS, we agreed to establish an aHUS Registry and complete additional human clinical studies in adult and pediatric patients. In the United States, for example, the FDA can propose to withdraw approval for a product if it determines that such additional studies are inadequate or if new clinical data or information shows that a product is not safe for use in an approved indication. We are required to report any serious and unexpected adverse experiences and certain quality problems with our products to the FDA, the EMA, the competent authorities of the European Union member states, MHLW, and certain other health agencies. We or any health agency may have to notify health care providers of any such developments.
The discovery of any previously unknown problems with our products, a manufacturer or a facility may result in restrictions on the product, a manufacturer or a facility, including withdrawal of the product from the market, batch failures, or interruption of production or a product recall such as the Soliris recalls we announced and voluntarily initiated in 2013 and 2014. Certain changes to an approved product, including the way it is manufactured or promoted, often require prior regulatory approval before the product as modified may be marketed. Our manufacturing and other facilities and those of any third parties manufacturing our products will be subject to inspection prior to grant of marketing approval by each regulatory authority where we seek marketing approval and subject to continued review and periodic inspections by the regulatory authorities, such as the inspections that resulted in issuance of the Warning Letter. We and any third party we would use to manufacture our products for sale, including Lonza, must also be licensed by applicable regulatory authorities.
The FDA requires reporting of certain information on side effects and adverse events reported during clinical studies and after marketing approval. Non-compliance with safety reporting requirements could result in regulatory action that may include civil action or criminal penalties.
 Failure to comply with the laws and requirements, including statutes and regulations, administered by the FDA, the EMA, the competent authorities of the European Union member states, the MHLW or other agencies, including without limitation, failures or delays in resolving the concerns raised by the FDA in the Warning Letter, could result in:
a product recall;
a product withdrawal;
significant administrative and judicial sanctions, including, warning letters or untitled letters;
significant fines and other civil penalties;
suspension, variation or withdrawal of a previously granted approval for Soliris;
interruption of production;
operating restrictions, such as a shutdown of production facilities or production lines, or new manufacturing requirements;
suspension of ongoing clinical trials;
delays in approving or refusal to approve our products including pending Biologics License Applications (BLAs) or BLA supplements for Soliris, asfotase alfa, or sebelipase alfa or a facility that manufactures our products;
seizing or detaining product;
requiring us or our partners to enter into a consent decree, which can include imposition of various fines, reimbursements for inspection costs, required due dates for specific actions and penalties for noncompliance;
injunctions; and/or
criminal prosecution.


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If the use of our products harms people, or is perceived to harm patients even when such harm is unrelated to our products, our regulatory approvals could be revoked or otherwise negatively impacted and we could be subject to costly and damaging product liability claims.
The testing, manufacturing, marketing and sale of drugs for use in humans exposes us to product liability risks. Side effects and other problems from using our products could (1) lessen the frequency with which physicians decide to prescribe our products, (2) encourage physicians to stop prescribing our products to their patients who previously had been prescribed our products, (3) cause serious adverse events and give rise to product liability claims against us, and (4) result in our need to withdraw or recall our products from the marketplace. Some of these risks are unknown at this time.
We tested our products in only a small number of patients. For example, the FDA marketing approval for the treatment of patients with aHUS was based on two prospective studies in a total of 37 adult and adolescent patients, together with a retrospective study that included 19 pediatric patients. Our products treat ultra-rare diseases. As more patients use our products, including more children and adolescents, new risks and side effects may be discovered, the rate of known risks or side effects may increase, and risks previously viewed as less significant could be determined to be significant. Previously unknown risks and adverse effects may also be discovered in connection with unapproved uses of our products, which may include administration of our products under acute emergency conditions, such as the Enterohemorrhagic E. coli health crisis in Europe, primarily Germany, that began in May 2011. We do not promote, or in any way support or encourage the promotion of our products for unapproved uses in violation of applicable law, but physicians are permitted to use products for unapproved purposes and we are aware of such uses of Soliris. In addition, we are studying and expect to continue to study Soliris in diseases other than PNH and aHUS in controlled clinical settings, and independent investigators are doing so as well. In the event of any new risks or adverse effects discovered as new patients are treated for approved indications, or as Soliris is studied in or used by patients for other indications, regulatory authorities may delay or revoke their approvals, we may be required to conduct additional clinical trials and safety studies, make changes in labeling , reformulate our products or make changes and obtain new approvals for our and our suppliers' manufacturing facilities. We may also experience a significant drop in potential sales, experience harm to our reputation and the reputation of our products in the marketplace or become subject to lawsuits, including class actions. Any of these results could decrease or prevent any sales or substantially increase the costs and expenses of commercializing and marketing our products.
We may be sued by people who use our products, whether as a prescribed therapy, during a clinical trial, during an investigator initiated study, or otherwise. Many patients who use our products are already very ill. Any informed consents or waivers obtained from people who enroll in our trials or use our products may not protect us from liability or litigation. Our product liability insurance may not cover all potential types of liabilities or may not cover certain liabilities completely. Moreover, we may not be able to maintain our insurance on acceptable terms. In addition, negative publicity relating to the use of our products or a product candidate, or to a product liability claim, may make it more difficult, or impossible, for us to market and sell. As a result of these factors, a product liability claim, even if successfully defended, could have a material adverse effect on our business, financial condition or results of operations.
Patients who use our products already often have severe and advanced stages of disease and known as well as unknown significant pre-existing and potentially life-threatening health risks. During the course of treatment, patients may suffer adverse events, including death, for reasons that may or may not be related to our products. Such events could subject us to costly litigation, require us to pay substantial amounts of money to injured patients, delay, negatively impact or end our opportunity to receive or maintain regulatory approval to market our products, or require us to suspend or abandon our commercialization efforts. Even in a circumstance in which we do not believe that an adverse event is related to our products, the investigation into the circumstance may be time consuming or inconclusive. These investigations may interrupt our sales efforts, delay our regulatory approval process in other countries, or impact and limit the type of regulatory approvals that our products receive or maintain.
Some patients treated with Soliris for PNH and other diseases, including patients who have participated in our clinical trials, have died or suffered potentially life-threatening diseases either during or after ending their Soliris treatments. In particular, use of C5 Inhibitors, such as Soliris, is associated with an increased risk for certain types of infection, including meningococcal infection. Serious cases of meningococcal infection can result in severe illness, including but not limited to brain damage, loss of limbs or parts of limbs, kidney failure, or death. Under controlled settings, patients in our eculizumab trials all receive vaccination against meningococcal infection prior to first administration of Soliris and patients who are prescribed Soliris in most countries are required by prescribing guidelines to be vaccinated prior to receiving their first dose. A physician may not have the opportunity to timely vaccinate a patient in the event of an acute emergency episode, such as in a patient presenting with aHUS or during the health crisis that began in May 2011 in Europe, principally in Germany, due to the epidemic of infections from Enterohemorrhagic E. coli. Vaccination does not, however, eliminate all risk of meningococcal infection. Additionally, in some countries there may not be any vaccine approved for general use or approved for use in infants and children. Some patients treated with Soliris who had been vaccinated have nonetheless experienced meningococcal infection, including patients who have suffered serious illness or death. Each such incident is required to be reported to appropriate regulatory agencies in accordance with relevant regulations.

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We are also aware of a potential risk for PNH patients who delay a dose of Soliris or discontinue their treatment of Soliris. Treatment with Soliris blocks complement and allows complement-sensitive PNH red blood cells to increase in number. If treatment with Soliris is thereafter delayed or discontinued, a greater number of red blood cells therefore would become susceptible to destruction when the patient's complement system is no longer blocked. The rapid destruction of a larger number of a patient's red blood cells may lead to numerous complications, including death. Several PNH patients in our studies of Soliris have received delayed doses or discontinued their treatment. In none of those circumstances were significant complications shown to be due to rapid destruction of a larger number of PNH red blood cells; however, we have not studied the delay or termination of treatment in enough patients to determine that such complications in the future are unlikely to occur. Additionally, such delays or discontinuations may be associated with significant complications without evidence of such rapid cell destruction.
We are aware of a risk for aHUS patients who delay or miss a dose of Soliris or discontinue their treatment of Soliris.  Treatment with Soliris blocks complement and inhibits complement-mediated TMA. After missing a dose or discontinuing Soliris, blood clots may form in small blood vessels throughout the body, causing a reduction in platelet count. The reduction in platelet count may lead to numerous complications, including changes in mental status, seizures, angina, thrombosis, renal failure or even death. In our aHUS clinical studies, such TMA complications were observed in some patients who missed a dose.
Clinical evaluations of outcomes in the post-marketing setting are required to be reported to appropriate regulatory agencies in accordance with relevant regulations. Determination of significant complications associated with the delay or discontinuation of Soliris could have a material adverse effect on our ability to sell Soliris.
If we are unable to establish and maintain effective sales, marketing and distribution capabilities, or to enter into agreements with third parties to do so, we will be unable to successfully commercialize our products.
We are marketing and selling our products ourselves in the United States, Europe, Japan and several other territories. With the acquisition of Synageva, we now expect to launch two products in 2015, which would be the second and third new product launches in Alexion's history. If we are unable to establish and/or expand our capabilities to sell, market and distribute our products, either through our own capabilities or by entering into agreements with others, or to maintain such capabilities in countries where we have already commenced commercial sales, we will not be able to successfully sell our products. In that event, we will not be able to generate significant revenues. We cannot guarantee that we will be able to establish and maintain our own capabilities or enter into and maintain any marketing or distribution agreements with third-party providers on acceptable terms, if at all. Even if we hire the qualified sales and marketing personnel we need to support our objectives, or enter into marketing and distribution agreements with third parties on acceptable terms, we may not do so in an efficient manner or on a timely basis. We may not be able to correctly judge the size and experience of the sales and marketing force and the scale of distribution capabilities necessary to successfully market and sell our products. Establishing and maintaining sales, marketing and distribution capabilities are expensive and time-consuming. Our expenses associated with building up and maintaining the sales force and distribution capabilities around the world may be disproportionate compared to the revenues we may be able to generate on sales. We cannot guarantee that we will be successful in commercializing any of our products.
If we market our products in a manner that violates health care fraud and abuse laws and other laws regulating marketing and promotion, we may be subject to investigations and civil or criminal penalties.
In addition to FDA and related regulatory requirements, we are subject to health care "fraud and abuse" laws, such as the federal False Claims Act (FCA), the anti-kickback provisions of the federal Social Security Act, and other state and federal laws and regulations. The federal Anti-Kickback Statute prohibits, among other things, knowingly and willfully offering, paying, soliciting or receiving any remuneration, directly or indirectly, in cash or in kind to induce, or reward the purchasing, leasing, ordering or arranging for or recommending the purchase, lease or order of any health care item or service reimbursable under Medicare, Medicaid, or other federal health care programs. This statute has been interpreted to apply broadly to arrangements between pharmaceutical manufacturers on the one hand and prescribers, patients, purchasers and formulary managers on the other. Liability may be established without a person or entity having actual knowledge of the federal Anti-Kickback Statute or specific intent to violate it. In addition, the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act of 2010 (collectively, the PPACA), amended the Social Security Act to provide that the government may assert that a claim including items or services resulting from a violation of the federal anti-kickback statute constitutes a false or fraudulent claim for purposes of the FCA. A conviction for violation of the Anti-kickback Statute requires mandatory exclusion from participation in federal health care programs. Although there are a number of statutory exemptions and regulatory safe harbors protecting certain common activities from prosecution, the exemptions and safe harbors are drawn narrowly, and practices that involve remuneration to those who prescribe, purchase, or recommend pharmaceutical products, including certain discounts, education and research grants, purchase of speaking or consulting services, and patient assistance programs, may be subject to scrutiny or penalty if they do not qualify for an exemption or safe harbor. We seek to comply with the anti-kickback laws and with the available statutory exemptions and safe harbors. However, our practices may not in all cases fit within the safe harbors, and our practices may therefore be subject to case-by-case scrutiny.

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The FCA prohibits any person from knowingly presenting, or causing to be presented, a false or fraudulent claim for payment of government funds, or knowingly making, using or causing to be made or used, a false record or statement material to a false or fraudulent claim. Pharmaceutical companies have been investigated and have reached substantial financial settlements with the Federal government under the FCA for a variety of alleged promotional and marketing activities, such as allegedly providing free product to customers with the expectation that the customers would bill federal programs for the product; providing consulting fees and other benefits to physicians to induce them to prescribe products; reporting inflated prices to private publications that were then used by federal programs to set reimbursement rates; engaging in promotion for uses that the FDA has not approved, or "off-label" uses that caused claims to be submitted to Federal programs for non-covered off-label uses; and submitting inflated best price information to the Medicaid Rebate Program.
 The majority of states also have statutes similar to the federal anti-kickback law and false claims laws that apply to items and services reimbursed under Medicaid and other state programs, or, in several states, apply regardless of the payer.  In addition, several U.S. states and localities have enacted legislation requiring pharmaceutical companies to establish marketing compliance programs, file periodic reports with the state or make periodic public disclosures on sales, marketing, pricing, clinical trials, and other activities. Some state laws prohibit certain marketing-related activities including the provision of gifts, meals or other items to certain health care providers. Similar legislation is being considered in other states. Additionally, PPACA enacted the Physician Payment Sunshine Act, being implemented as the Open Payments program, that requires manufacturers to track and report to the federal government, for public dissemination, payments and other transfers of value made to physicians and teaching hospitals. Many of these requirements are new and there is limited guidance on many aspects of how they will be interpreted, implemented and enforced. Nonetheless, if we are found not to be in full compliance with these laws, we could face enforcement action and fines and other penalties, and could receive adverse publicity.
Sanctions under these federal and state fraud and abuse laws may include civil monetary penalties, exclusion of a manufacturer's products from reimbursement under government programs, monetary damages, criminal fines, and imprisonment. Efforts to ensure that our business arrangements continue to comply with applicable healthcare laws and regulations could be costly. Because of the breadth of these laws and the narrowness of the safe harbors and because government scrutiny in this area is high, it is possible that some of our business activities could come under that scrutiny. Even if we are not determined to have violated these laws, government investigations into these issues typically require the expenditure of significant resources and generate negative publicity, which could also harm our financial condition. Responding to government investigations or whistleblower lawsuits, defending any claims raised, and any resulting fines, damages, penalties, settlement payments or administrative actions, as well as any related actions brought by stockholders or other third parties, could have a material impact on our reputation, business and financial condition and divert the attention of our management from operating our business.
 Although physicians in the United States are permitted to, based on their medical judgment, prescribe products for indications other than those cleared or approved by the FDA, manufacturers are prohibited from promoting their products for such off-label uses. In the United States, we market Soliris for PNH and aHUS and provide promotional materials and training programs to physicians regarding the use of Soliris for PNH and aHUS. Although we believe our marketing materials and training programs for physicians do not constitute off-label promotion of Soliris, the FDA, the U.S. Justice Department, or other federal or state government agencies may disagree. If the FDA or other government agencies determine that our promotional materials, training or other activities constitute off-label promotion of any of our products, it could request that we modify our training or promotional materials or other activities or subject us to regulatory enforcement actions, including the issuance of a warning letter, injunction, seizure, civil fine and criminal penalties. It is also possible that other federal or state enforcement authorities might take action if they believe that the alleged improper promotion led to the submission and payment of claims for an unapproved use, which could result in significant fines or penalties under other statutory authorities, such as laws prohibiting false or fraudulent claims for payment of government funds. Even if it is later determined we are not in violation of these laws, we may be faced with negative publicity, incur significant expenses defending our position and have to divert significant management resources from other matters.
Similar strict restrictions are imposed on the promotion and marketing of drug products in the European Union, where a large portion of our non-U.S. business is conducted, and other territories. Laws in the European Union, including in the individual European Union member states, require promotional materials and advertising for drug products to comply with the product's Summary of Product Characteristics (SmPC), which is approved by the competent authorities. Promotion of a medicinal product which does not comply with the SmPC is considered to constitute off-label promotion. The off-label promotion of medicinal products is prohibited in the European Union and in other territories. The promotion of medicinal products that are not subject to a marketing authorization is also prohibited in the European Union. Laws in the European Union, including in the individual European Union member states, also prohibit the direct-to-consumer advertising of prescription-only medicinal products. Violations of the rules governing the promotion of medicinal products in the European Union and in other territories could be penalized by administrative measures, fines and imprisonment.
Interactions between pharmaceutical companies and physicians are also governed by strict laws, regulations, industry self-regulation codes of conduct and physicians' codes of professional conduct in the individual European Union member

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states. The provision of any inducements to physicians to prescribe, recommend, endorse, order, purchase, supply, use or administer a medicinal product is prohibited. A number of European Union member states have introduced additional rules requiring pharmaceutical companies to publicly disclose their interactions with physicians and to obtain approval from employers, professional organizations and/or competent authorities before entering into agreements with physicians. These rules have been supplemented by provisions of related industry codes. Additional countries may consider or implement similar laws and regulations. Violations of these rules could lead to reputational risk, public reprimands, and/or the imposition of fines or imprisonment.
If we fail to comply with the Foreign Corrupt Practices Act or other similar legal requirements, we may be subject to criminal and civil penalties and other remedial measures, which could have a material adverse effect on our reputation, business, results of operations or financial condition.
We are subject to the United States Foreign Corrupt Practices Act (FCPA), the U.K. Bribery Act, and other anti-corruption laws and regulations that generally prohibit companies and their intermediaries from making improper payments to government officials and/or other persons for the purpose of obtaining or retaining business. Worldwide regulators are increasing their regulatory and enforcement efforts in this area. For example, the Bribery Act in the United Kingdom, effective as of July 2011 applies to any company incorporated in or "carrying on business" in the United Kingdom, regardless of the country in which the alleged bribery activity occurs and even if the inappropriate activity is undertaken by our international distribution partners. Our policies mandate compliance with these anti-bribery laws. We may operate in many parts of the world that are recognized as having a greater potential for governmental and commercial corruption. We cannot assure that our policies and procedures will always protect Alexion from reckless or criminal acts committed by its employees or third-party intermediaries.
Recent years have seen a substantial increase in anti-bribery law enforcement activity by U.S. regulators, with more frequent and aggressive investigations and enforcement proceedings by both the Department of Justice ("DOJ") and the U.S. Securities and Exchange Commission (SEC), increased enforcement activity by non-U.S. regulators, and increases in criminal and civil proceedings brought against companies and individuals. Increasing regulatory scrutiny of the promotional activities of pharmaceutical companies also has been observed in a number of European Union member states.
Laws, including those governing promotion, marketing and anti-kickback/anti-bribery provisions, and industry regulations are often strictly enforced. In the United States, additional governmental resources are being added to enforce these laws and to prosecute companies and individuals believed to be violating them. For example, PPACA included a number of provisions aimed at strengthening the government’s ability to pursue anti-kickback and false claims cases against pharmaceutical manufacturers and other healthcare entities, including substantially increased funding for healthcare fraud enforcement activities, enhanced investigative powers for government authorities, and amendments to the FCA that make it easier for the government and whistleblowers to pursue cases for alleged kickback and false claim violations. We anticipate that government scrutiny of pharmaceutical sales and marketing practices will continue for the foreseeable future and subject us to the risk of government investigations and whistleblower lawsuits. If we fail to comply with laws governing promotion, marketing and anti-kickback/anti-bribery provisions, we may be subject to criminal and civil penalties and other remedial measures, which could have a material adverse effect on its reputation, business, results of operations or financial condition.
As previously disclosed, in May 2015, we received a subpoena in connection with an investigation by the Enforcement Division of the SEC requesting information related to our grant-making activities and compliance with the Foreign Corrupt Practices Act in various countries. The SEC also seeks information related to Alexion’s recalls of specific lots of Soliris and related securities disclosures. Alexion is cooperating with the SEC’s investigation, which is in its early stages. At this time, Alexion is unable to predict the duration, scope or outcome of the SEC investigation.
Any determination that our operations or activities are not, or were not, in compliance with existing United States or foreign laws or regulations, including by the SEC pursuant to its investigation of our compliance with the FCPA and other matters, could result in the imposition of a broad range of civil and criminal sanctions against Alexion and certain of our directors, officers and/or employees, including injunctive relief, disgorgement, substantial fines or penalties, imprisonment, interruptions of business, debarment from government contracts, loss of supplier, vendor or other third-party relationships, termination of necessary licenses and permits, and other legal or equitable sanctions. Other internal or government investigations or legal or regulatory proceedings, including lawsuits brought by private litigants, may also follow as a consequence. Violations of these laws may result in criminal or civil sanctions, which could disrupt our business and result in a material adverse effect on its reputation, business, results of operations or financial condition. Cooperating with and responding to the SEC in connection with its investigation of our FCPA practices and other matters, as well as responding to any future U.S. or foreign governmental investigation or whistleblower lawsuit, could result in substantial expenses, and could divert management’s attention from other business concerns and could have a material adverse effect on our business and financial condition and growth prospects.

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If we are unable to obtain regulatory approvals to market one or more of our product candidates, including asfotase alfa, sebelipase alfa, and Soliris for other indications, our business may be adversely affected.
We currently market and sell one product, Soliris, for the treatment of PNH and aHUS. In July 2015, we obtained marketing authorization in Japan for our second product, Strensiq (asfotase alfa), and we expect to commence sales of Strensiq in Japan in the third quarter of 2015. Upon the acquisition of Synageva in June 2015, we acquired rights to Kanuma (sebelipase alfa), a late stage enzyme-replacement therapy under development for patients with LAL-D. Although we are preparing for commercial launches of Strensiq and Kanuma, we do not know when or if these products will be approved by the FDA, EMA or any other regulatory agency, or available for sale. We completed a rolling submission of our BLA for Strensiq in the U.S., which allowed completed portions of the application to be submitted and reviewed by the FDA on an ongoing basis, and the FDA has accepted for review the BLA for Kanuma. While the FDA accepted the applications, we cannot predict how long the approval process will take or when we will receive approval of Strensiq or Kanuma, if at all. All of our product candidates except Soliris, asfotase alfa, and sebelipase alfa are in early stages of development, and we do not expect our early stage product candidates to be commercially available for several years, if at all. We do not know when or if our other product candidates will be approved. Unfavorable clinical trial results, failure to comply with regulatory requirements, resolve pending concerns described in the Warning Letter, and inadequate manufacturing processes are examples of problems that could prevent approval. In addition, we may encounter delays or rejections due to additional government regulation from future legislation, administrative action or changes in the FDA policy. Even if the FDA approves a product, the approval will be limited to those indications covered in the approval.
Outside the United States, our ability to market any of our potential products is dependent upon receiving marketing approvals from the appropriate regulatory authorities. These foreign regulatory approval processes include all of the risks associated with the FDA approval process described above. If we are unable to receive regulatory approvals, we will be unable to commercialize our product candidates, and our business may be adversely affected.
Completion of preclinical studies or clinical trials does not guarantee advancement to the next phase of development.
Completion of preclinical studies or clinical trials does not guarantee that we will initiate additional studies or trials for our product candidates, that if further studies or trials are initiated what the scope and phase of the trial will be or that they will be completed, or that if these further studies or trials are completed, that the design or results will provide a sufficient basis to apply for or receive regulatory approvals or to commercialize products. Results of clinical trials could be inconclusive, requiring additional or repeat trials. Data obtained from preclinical studies and clinical trials are subject to varying interpretations that could delay, limit or prevent regulatory approval. Data that we believe is highly clinically significant, including the results of our HPP and LAL-D trials, could be interpreted differently by the FDA or other regulatory agencies. The results generated in clinical studies of Strensiq (asfotase alfa) and Kanuma (sebelipase alfa) which we believe to be positive, do not ensure that the products will be approved and the FDA or other regulatory agency could require additional preclinical or clinical data. If the design or results achieved in our clinical trials are insufficient to proceed to further trials or to regulatory approval of our product candidates, our company could be materially adversely affected. Failure of a clinical trial to achieve its pre-specified primary endpoint, such as the Phase II Soliris trial for AMR that we announced in January 2015, generally increases the likelihood that additional studies or trials will be required if we determine to continue development of the product candidate, reduces the likelihood of timely development of and regulatory approval to market the product candidate, and may decrease the chances for successfully achieving the primary endpoint in scientifically similar indications.
There are many reasons why drug testing could be delayed or terminated.
For human trials, patients must be recruited and each product candidate must be tested at various doses and formulations for each clinical indication. In addition, to ensure safety and effectiveness, the effect of drugs often must be studied over a long period of time, especially for the chronic diseases that we are studying. Many of our programs focus on diseases with small patient populations and insufficient patient enrollment in our clinical trials could delay or cause us to abandon a product development program. We may decide to abandon development of a product candidate at any time due to unfavorable results or other reasons, or we may have to spend considerable resources repeating clinical trials or conducting additional trials, either of which would increase costs and delay any revenue from those product candidates, if any.
 Additional factors that can cause delay, impairment or termination of our clinical trials or our product development efforts include:
delay or failure in obtaining institutional review board (IRB), approval or the approval of other reviewing entities to conduct a clinical trial at each site;
delay or failure in reaching agreement on acceptable terms with prospective contract research organizations(CROs), and clinical trial sites, the terms of which can be subject to extensive negotiation and may vary significantly among different CROs and trial sites;

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withdrawal of clinical trial sites from our clinical trials as a result of changing standards of care or the ineligibility of a site to participate in our clinical trials;
clinical sites and investigators deviating from trial protocol, failing to conduct the trial in accordance with regulatory requirements, or dropping out of a trial;
slow patient enrollment, including, for example, due to the rarity of the disease being studied;
delay or failure in having patients complete a trial or return for post-treatment follow-up;
long treatment time required to demonstrate effectiveness;
lack of sufficient supplies of the product candidate;
disruption of operations at the clinical trial sites;
adverse medical events or side effects in treated patients, and the threat of legal claims and litigation alleging injuries;
failure of patients taking the placebo to continue to participate in our clinical trials;
insufficient clinical trial data to support effectiveness of the product candidates;
lack of effectiveness or safety of the product candidate being tested;
lack of sufficient funds;
inability to meet required specifications or to manufacture sufficient quantities of the product candidate for development or commercialization activities in a timely and cost-efficient manner;
decisions by regulatory authorities, the IRB, ethics committee, or us, or recommendation by a data safety monitoring board, to suspend or terminate clinical trials at any time for safety issues or for any other reason;
failure to obtain the necessary regulatory approvals for the product candidate or the approvals for the facilities in which such product candidate is manufactured; and
decisions by competent authorities, IRBs or ethics committees to demand variations in protocols or conduct of clinical trials.
The regulatory approval process is costly and lengthy and we may not be able to successfully obtain all required regulatory approvals.
The preclinical development, clinical trials, manufacturing, marketing and labeling of pharmaceuticals are all subject to extensive regulation by numerous governmental authorities and agencies in the United States, the European Union and other territories. We must obtain regulatory approval for each of our product candidates, such as Strensiq (asfotase alfa), before marketing or selling any of them. It is not possible to predict how long the approval processes of the FDA or any other applicable federal or foreign regulatory authority or agency for any of our product candidates will take or whether any such approvals ultimately will be granted. For example, the EMA transitioned the MAA for Strensiq (asfotase alfa) from an accelerated assessment to a regular assessment. The FDA and foreign regulatory agencies have substantial discretion in the drug approval process, and positive results in preclinical testing or early phases of clinical studies offer no assurance of success in later phases of the approval process. The approval process varies from country to country and the requirements governing the conduct of clinical trials, product manufacturing, product licensing, pricing and reimbursement vary greatly from country to country. Generally, preclinical and clinical testing of product candidates can take many years and require the expenditure of substantial resources, and the data obtained from these tests and trials can be susceptible to varying interpretations that could delay, limit or prevent regulatory approval. If we encounter significant delays in the regulatory process, this may prevent us from continuing to develop our product candidates due to excessive costs or otherwise. Any delay in obtaining, or failure to obtain, approvals could adversely affect the marketing of our products and our ability to generate product revenue. The risks associated with the approval process include:
failure of our product candidates to meet a regulatory agency's requirements for safety, efficacy and quality;
disagreement over interpretation of data from preclinical studies or clinical trials;
restricted distribution or limitation on the indicated uses for which a product may be marketed;
unforeseen safety issues or side effects and potential requirements to establish REMS or post-marketing obligations;
disapproval of the manufacturing processes or facilities of third-party manufacturers with which we contract for clinical and commercial supplies; and
governmental or regulatory delays and changes in regulatory requirements and guidelines.

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The FDA or a comparable foreign regulatory authority may require more information, including additional preclinical or clinical data, to support approval, which may delay or prevent approval and our commercialization plans, or we may decide to abandon the development program. If we were to obtain approval, regulatory authorities may approve any of our product candidates for fewer or more limited indications than we request, may grant approval contingent on the performance of costly post-marketing clinical trials, or may approve a product candidate with a label that is not desirable for the successful commercialization of that product candidate. In addition, if our product candidate produces undesirable side effects or safety issues, the FDA may require the establishment of REMS or a comparable foreign regulatory authority may require the establishment of a similar strategy, that may, for instance, restrict distribution of our products and impose burdensome implementation requirements on us. Any of the foregoing scenarios could materially harm the commercial prospects of our product candidates.
Risks Related to Our Acquisition of Synageva Biopharma Corporation
If we do not successfully integrate Synageva into our operations, our business could be adversely affected. Even if we do successfully integrate Synageva, we may not achieve the expected benefits of the acquisition as rapidly or to the extent anticipated.
We must successfully integrate the operations of Synageva with our business. We are focused on achieving the necessary synergies that we expect to experience from expanding our existing metabolic disease franchise with the acquisition of Kanuma (sebelipase alfa). Kanuma has not yet received marketing approval and as of the time of the acquisition, Synageva was making preparations to launch Kanuma in the U.S., Europe, Japan and other territories. We must successfully integrate Synageva with our business, which will require that we successfully launch both Kanuma and Strensiq to realize the anticipated synergies and benefits from the acquisition. Integrating Synageva operations will be a complex and time-consuming process. Prior to the acquisition, Synageva operated independently, with its own business, corporate culture, locations, employees and systems. There may be substantial difficulties, costs and delays involved in the integration of Synageva, including:
distracting our management from day-to-day operations, which could also negatively affect the launches of Strensiq or Kanuma;
the loss of qualified employees and our inability to retain Synageva employees;
an inability to achieve financial synergies as planned; and
costs and delays in combining our financial and other systems and procedures.
One or more of these factors may increase our operating costs or adversely affect our financial performance, including a number of factors that are outside of our control. Achieving anticipated synergies and the potential benefits underlying our reasons for the acquisition will depend on successful integration of our businesses. In addition, we may not achieve the expected benefits of the acquisition as rapidly or to the extent anticipated, including to the extent that we are unable to effectively identify patients with LAL-D or as a result of adverse legal or regulatory developments. Synageva’s business may not perform as anticipated, including if preclinical and clinical trials of Kanuma and Synageva’s other product candidates do not produce positive results or are delayed, if serious side effects are identified during drug development, if a narrow label is received or if regulatory and marketing approval and commercialization of Kanumaand Synageva’s other product candidates is not achieved on the expected time frame or at all.
The failure to integrate the business operations of Synageva successfully or the occurrence of any of these events could materially adversely affect our business, financial condition and results of operations.
The actual impact of the acquisition on our capital structure and financial results may be worse than our assumptions or forecasts.
We have made a number of assumptions relating to the impact of the acquisition on our capital structure and financial results, including:    
our expected capital structure after the acquisition;
the amount of goodwill and intangibles that will result from the acquisition;
certain other purchase accounting adjustments that we expect will be recorded in our financial statements in connection with the acquisition;
acquisition-related costs, including restructuring expenses and transaction costs; and
other financial and strategic risks of the acquisition.

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Even if we successfully integrate Synageva, and regardless of our assumptions, the effect of the acquisition on our financial results may not meet our expectations or the expectations of financial analysts or our shareholders, or our creditworthiness may be adversely affected as a result of the increased indebtedness incurred to finance the acquisition, or our operating, transaction and integration costs may be higher than expected. If one or more of these events occurs, or our assumptions are incorrect, it could have an adverse effect on our business and operating results, and the perceived benefits from the acquisition may not be realized.
We may have exposure to additional tax liabilities as a result of the acquisition, or our anticipated efficiency of the combined corporate structure may not be realized.
As a company with international operations, we are subject to income taxes, as well as non-income based taxes, in both the United States and various foreign jurisdictions. Significant judgment is required in determining our worldwide tax liabilities. Although we believe our estimates are reasonable, the ultimate outcome with respect to the taxes we owe may differ from the amounts recorded in our financial statements. As we integrate Synageva’s corporate structure into our own, we expect to realize near-term and long-term financial and tax efficiencies. For example, we believe that future tax payments may be reduced by utilizing Synageva’s net operating loss and orphan drug credit carry forwards, however, these deferred tax assets also may be subject to substantial annual limitations due to the acquisition under Section 382 of the Internal Revenue Code (Code). As part of the merger of Trimeris Inc. and Synageva BioPharma Corp., a privately held Delaware corporation in 2011, Synageva acquired federal tax attributes that were significantly limited under Section 382 of the Code.

The application of the tax laws and regulations of various countries in which we operate as an integrated structure and to our global operations is subject to interpretation. Our effective tax rate following the acquisition is subject to a number of risks and uncertainties, including the risks and uncertainties described under the Risk Factor - “The intended efficiency of our corporate structure depends on the application of the tax laws and regulations in the countries where we operate and we may have exposure to additional tax liabilities or our effective tax rate could change, which could have a material impact on our results of operations and financial position.” The realization of such risks and uncertainties could have an adverse effect on our business and operating results.
We will incur significant transaction, integration and restructuring costs in connection with the acquisition.
We have incurred significant transaction costs related to the acquisition. In addition, the combined business will incur integration and restructuring costs following the completion of the acquisition as we integrate Synageva’s businesses with our businesses. Although we expect that the realization of benefits and efficiencies related to the integration of the businesses may offset over time these transaction and integration and restructuring costs, no assurances can be made that this net benefit will be achieved in the near term, or at all, which could adversely affect our financial condition and results of operations.
If we are unable to commercialize Kanuma or experience significant delays in doing so, our business, financial condition and results of operations may be materially adversely affected.
Our ability to generate product revenues from Synageva will depend heavily on the successful development and eventual commercialization of Kanuma. Although Kanuma met the pre-specified primary and six secondary endpoints in the Phase 3 clinical trial for children and adults, potential regulatory approval could be limited to the treatment of LAL-D only in infants, and that would represent a small portion of the total LAL-D patient population. The results of clinical trials may not prove sufficient to satisfy the FDA, EMA or any other regulatory agency, or result in a restricted product label that could negatively impact commercialization. We may need to conduct additional clinical trials at significant delay and cost or abandon development of altogether.
Even if we receive regulatory approval for and are able to commercialize Kanuma, our success will be subject to the following risks:
we may not achieve market acceptance of Kanuma by physicians, patients and third-party payers;
Kanuma may not have an acceptable safety profile following approval;
we may not be able to manufacture Kanuma in compliance with requirements of the EMA, the FDA and similar regulatory agencies in commercial quantities sufficient to meet market demand;
we may not achieve sufficient pricing for Kanuma to compensate for future development and commercialization costs and to recoup our cost to acquire Synageva; and
we may not successfully enforce and defend our intellectual property rights and claims.
The occurrence of any of these events could materially adversely affect our business, financial condition and results of operations.

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Risks Related to Intellectual Property
If we cannot obtain new patents, maintain, defend and enforce our existing patents and protect the confidentiality and proprietary nature of our trade secrets and other intellectual property, our business and competitive position will be harmed.
In order to protect our drugs and technology more effectively, we need to obtain, maintain, defend and enforce patents covering the drugs and technologies we develop. We have and may in the future obtain patents or the right to practice patents through ownership or license. Our patent applications may not result in the issue of patents in the United States or other countries. Our patents may not afford adequate protection for our products. Changes in the law may limit our ability to obtain new patents and may limit our ability to defend and enforce our current patents. Third parties may challenge our patents, and have challenged our patents in the past. If any of our patents are narrowed, invalidated or become unenforceable, competitors may develop and market products similar to ours that do not conflict with or infringe our patents rights, which could have a material adverse effect on our financial condition. We may also finance and collaborate in research conducted by government organizations, hospitals, universities or other educational or research institutions. Such research partners may be unwilling to grant us exclusive rights to technology or products developed through such collaborations. There is also a risk that disputes may arise as to the rights to technology or products developed in collaboration with other parties. Our products and our product candidates are expensive and time-consuming to test and develop. Even if we obtain and maintain patents, our business may be significantly harmed if the patents are not strong enough or broad enough to protect our drugs from copycat products.
In addition, our business requires using sensitive technology, techniques and proprietary molecules that we protect as trade secrets. However, we may also rely heavily on collaboration with, or discuss the potential for collaboration with, suppliers, outside scientists and other drug companies. Collaboration and discussion of potential collaboration present a strong risk of exposing our trade secrets. If our trade secrets were exposed, it would help our competitors and adversely affect our business prospects.
If we are found to be infringing on patents owned by others, we may be forced to pay damages to the patent owner and/or obtain a license to continue the manufacture, sale or development of our drugs. If we cannot obtain a license, we may be prevented from the manufacture, sale or development of our products, which would adversely affect our business.
Parts of our technology, techniques, processes, proprietary molecules and potential drug candidates, including those which are or may be in-licensed, may be found to infringe patents owned by or granted to others. We previously reported that Novartis and other third parties filed civil lawsuits against us claiming infringement of their intellectual property rights. Each of those matters has been resolved. However, additional third parties may claim that the research, development, manufacture, use or sale of Soliris, Strensiq, Kanuma or other drugs under development infringes patents owned or granted to such third parties. In addition to the civil actions referenced above, we have in the past received, and may in the future receive, notices from third parties claiming that their patents may be infringed by the research, development, manufacture, use or sale of our products or some of our drug candidates. We are aware of patent rights owned by third parties that might be claimed by such third parties to be infringed by the research, development and commercialization of our products and some of our drug candidates. In respect to some of these patents, we have obtained licenses, or expect to obtain licenses. However, with regard to other patents, we have determined in our judgment that:
Our activities, products and our product candidates do not infringe the patents;
the patents are not valid; or
we have identified and tested or are testing various modifications that we believe do not infringe the patents.
Holders of these patents or other patents could sue us for damages and seek to prevent us from manufacturing, selling or developing our drugs. Legal disputes can be costly and time consuming to defend. If we cannot successfully defend against future actions or conflicts, if they arise, we may incur substantial legal costs and may be liable for damages, be required to obtain costly licenses or need to stop manufacturing, using or selling our products, which would adversely affect our business. We may seek to obtain a license prior to or during legal actions in order to reduce further costs and the risk of a court determination that our product infringes the third party's patents. A required license may be costly or may not be available on acceptable terms, if at all. A costly license, or inability to obtain a necessary license, could have a material adverse effect on our business.
There can be no assurance that we would prevail in a patent infringement action or that we would be able to obtain a license to any third-party patent on commercially reasonable terms or any terms at all; successfully develop non-infringing alternatives on a timely basis; or license alternative non-infringing technology, if any exists, on commercially reasonable terms. Any impediment to our ability to research, develop, manufacture, use or sell Soliris, Strensiq, Kanuma or other products could have a material adverse effect on our business and prospects.

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It is possible that we could lose market exclusivity for a product earlier than expected, which would harm our competitive position.
In our industry, much of an innovative product’s commercial value is realized while it has market exclusivity. When market exclusivity expires and biosimilar or generic versions of the product are approved and marketed, there can be substantial decline in the innovative product’s sales.
Market exclusivity for our products is based upon patent rights and certain regulatory forms of exclusivity. The scope of Soliris, Strensiq and Kanuma patent rights vary from country to country and are dependent on the availability of meaningful legal remedies in each country. The failure to obtain patent and other intellectual property rights, or limitations on the use, or loss of such rights, could be material to our business. In some countries, patent protections may not exist because certain countries did not historically offer the right to obtain specific types of patents or we did not file patents in those markets.  Also, the patent environment is unpredictable and the validity and enforceability of patents cannot be predicted with certainty. Absent relevant patent protection for a product, once regulatory exclusivity periods expire, biosimilar or generic versions of the product can be approved and marketed.  Even prior to the expiration of regulatory exclusivity, a competitor could seek to obtain marketing approval by submitting its own clinical trial data.
Risks Related to Our Operations
We cannot guarantee that we will achieve our financial goals, including our ability to maintain profitability on a quarterly or annual basis in the future.
Until the quarter ended June 30, 2008, we had never been profitable since we were incorporated in January 1992. We have maintained profitability on a quarterly basis since the quarter ended June 30, 2008 and on an annual basis beginning with the year ended December 31, 2008. We believe that we formulate our annual operating budgets with reasonable assumptions and targets, however we cannot guarantee that we will be able to generate sufficient revenues or control expenses to achieve our financial goals, including continued profitability. Even if we do achieve profitability in any subsequent quarters, we may not be able to sustain or increase profitability on a quarterly or annual basis. You should not consider our revenue growth in recent periods as indicative of our future performance. Our revenue in future periods could decline. We may make errors in predicting and reacting to relevant business trends or our business may be subject to factors beyond our control, which could harm our operations. Since we began our business, we have focused on research and development of product candidates. We cannot guarantee that we will be successful in marketing and selling Soliris on a continued basis in countries or regions where we have obtained marketing approval, including the United States, Europe and Japan, and we do not know when we will have Soliris available for sale in territories where we have applied or will apply for marketing approval, if ever. We incurred significant debt to finance the acquisition of Synageva and as we advance our most robust pipeline in our history and prepare to launch our second and third products worldwide, we will have substantial expenses as we continue our research and development efforts, continue to conduct clinical trials and continue to develop manufacturing, sales, marketing and distribution capabilities in the United States and abroad. The achievement of our financial goals, including the extent of our future profitability, depends on many factors, including our ability to successfully market Soliris in the United States, the European Union and Japan and other territories, our ability to obtain regulatory, pricing, coverage, and reimbursement approvals of our drug candidates, such as asfotase alfa, and for Soliris in additional territories and other indications, our ability to successfully market Soliris in additional territories, our ability to successfully manufacture and commercialize our drug candidates and our ability to successfully bring our other product candidates to the major commercial markets throughout the world.
If our competitors get to the marketplace before we do, or with better or less expensive drugs, it may not be profitable to continue to produce Soliris and our product candidates.
The FDA, EC and the MHLW granted orphan drug designation for Soliris in the treatment of PNH and the FDA and EC granted orphan drug designation for aHUS. Orphan drug status entitles Soliris to market exclusivity for a total of seven years in the United States and for ten years in the European Union and Japan. However, if a competitive product that is the same as or similar to Soliris, as defined under the applicable regulations, is shown to be clinically superior to Soliris in the treatment of PNH or aHUS, or if a competitive product is different from Soliris, as defined under the applicable regulations, the orphan drug exclusivity we have obtained may not block the approval of such competitive product. Several biotechnology and pharmaceutical companies throughout the world have programs to develop complement inhibitor therapies or have publicly announced their intentions to develop drugs which target the inflammatory effects of complement in the immune system. We are also aware of companies that have initiated or are planning to initiate clinical studies for the treatment of diseases that we are also targeting. Pharmaceutical companies have publicly announced intentions to establish or develop rare disease programs and these companies may introduce products that are competitive with ours. These and other companies, many of which have significantly greater resources than us, may develop, manufacture, and market better or cheaper drugs than our products or our product candidates. They may establish themselves in the marketplace before us for Soliris for other indications or for any of our other product candidates. Other pharmaceutical companies also compete with us to attract academic research institutions as

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drug development partners, including for licensing these institutions' proprietary technology. If our competitors successfully enter into such arrangements with academic institutions, we will be precluded from pursuing those unique opportunities and may not be able to find equivalent opportunities elsewhere.
If we fail to recruit and retain personnel, we may not be able to implement our business strategy.
We are highly dependent upon the efforts of our executive officers, and other key personnel in our commercial and technical organizations, including personnel from Synageva. There is intense competition in the biopharmaceutical industry for qualified commercial and technical personnel. Our business is specialized and global and we must attract and retain highly qualified individuals across many geographies. We may not be able to continue to attract and retain the qualified personnel necessary for developing, manufacturing and commercializing our products and product candidates.
If we fail to satisfy our debt service obligations or obtain the capital necessary to fund our operations, we may be unable to commercialize our products or continue or complete our product development.
In June 2015, we acquired Synageva and used a substantial portion of our cash on hand and incurred $3.7 billion of debt under the terms of a senior secured credit facility to finance the acquisition. We also issued approximately issued approximately 26.1 million shares of common stock to finance the acquisition. In addition, the definitive agreements for the Enobia, Taligen and Orphatec acquisitions include contingent payments totaling $470,000, $367,000 and $39,000, respectively, if and when certain development and commercial milestones are achieved. Our consolidated indebtedness after giving effect to the Synageva acquisition is approximately $3.5 billion. Our substantially increased indebtedness, and the demands on our cash resources, following completion of the acquisition could have the effect, among other things, of reducing our flexibility to respond to changing business and economic conditions and will increase our interest expense. Our indebtedness could also reduce funds available for working capital, capital expenditures, acquisitions and other general corporate purposes and may create competitive disadvantages for us relative to other companies with lower indebtedness levels. If we do not achieve the expected benefits and cost savings from the acquisition, or if the financial performance of the combined company does not meet current expectations, then our ability to service its indebtedness may be adversely impacted.
We believe that revenues and collections from sales of Soliris, along with our existing cash and cash equivalents will provide sufficient capital to satisfy our debt service obligations and the contingent consideration required by the acquisitions, and to fund our operations and product development for at least 12 months. We may need to raise additional capital before or after that time to complete or continue the development or commercialization of our products and product candidates or for other purposes, such as additional acquisitions and strategic transactions. We are currently selling or preparing for the commercialization of our products, including our second and third products, in the U.S., the European Union, Japan, and several other territories, evaluating and preparing regulatory submissions for our products in several countries, and conducting, preparing or evaluating several clinical trials. Funding needs may shift between projects and potentially accelerate and increase as we continue launch and commercialization activities throughout the world and as we initiate or continue clinical trials for our product candidates.
Additional financing could take the form of public or private debt or equity offerings, equity line facilities, bank loans, including additional borrowing under our existing credit facility, collaborative research and development arrangements with corporate partners and/or the sale or licensing of some of our property. The amount of capital we may need depends on many factors, including:
the cost necessary to sell, market and distribute our products;
the rate of new patient sales and drug utilization by treated patients;
the time and cost necessary to obtain and maintain regulatory approvals for our products in multiple countries;
the ability to obtain and maintain reimbursement approvals and funding for our products and the time necessary to obtain such approvals and funding;
the time and cost necessary to develop sales, marketing and distribution capabilities outside the United States;
the time and cost necessary to purchase or to further develop manufacturing processes, arrange for contract manufacturing or build manufacturing facilities and obtain and maintain the necessary regulatory approvals for those facilities;
changes in applicable governmental regulatory policies or requests by regulatory agencies for additional information or data;
the progress, timing and scope of our research and development programs;
the progress, timing and scope of our preclinical studies and clinical trials;
the integration of the Synageva businesses;

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any new collaborative, licensing or other commercial relationships that we may establish; and
the cost of any acquisition.
We may not receive additional funding when we need it or funding may only be available on unfavorable terms. There can be no assurance that we will be able to access additional credit or the equity markets in order to finance our operations, grow our operations in any territory, or expand development programs for our product candidates, or that there will not be a further deterioration in financial markets and confidence in economies. If we cannot raise adequate funds to satisfy our capital requirements, we may have to delay, scale-back or eliminate our research and development activities or future operations. This could result in sharing revenues that we might otherwise retain for ourselves. Any of these actions would harm our business.
We are significantly leveraged.
In June 2015, we entered into a credit agreement (Credit Agreement) with a syndicate of banks in connection with the acquisition of Synageva. The Credit Agreement provides for a $3.5 billion term loan facility and a $500,000 revolving credit facility, which includes up to a $100 million sublimit for letters of credit and a $25 million sublimit for swingline loans. Our obligations under the credit facilities are unconditionally guaranteed, jointly and severally, by certain of our existing foreign and domestic subsidiaries and secured by liens on certain of Alexion's and its subsidiaries' equity interests, subject to certain exceptions. All obligations of each borrower under the credit facilities, and the guarantees of those obligations, are secured, subject to certain exceptions, by substantially all of each borrower's assets and the assets of certain guarantors, including the pledge of the equity interests of certain of our subsidiaries and real estate located in Smithfield, Rhode Island, but excluding intellectual property and assets of certain foreign subsidiaries. We may elect that the loans under the Credit Agreement bear interest at a rate per annum equal to either a base rate or a Eurodollar rate plus, in each case, an applicable margin. The applicable margins on base rate loans range from 0.25% to 1.00% and the applicable margins on Eurodollar loans range from 1.25% to 2.00%, in each case depending upon our consolidated net leverage ratio (as calculated in accordance with the Credit Agreement).

The credit facilities, and the contingent consideration payable in connection with our earlier acquisitions remain outstanding or available, and the degree to which we are leveraged could, among other things:     
make it difficult for us to make payments on the credit facilities;
make it difficult for us to obtain financing for additional acquisitions or in-licensing opportunities or other purposes on favorable terms, if at all;
make us more vulnerable to industry downturns and competitive pressures; and
limit our flexibility in planning for, or reacting to changes in, our business.
Our ability to meet our debt service obligations will depend upon our future performance, which will be subject to financial, business and other factors affecting our operations, many of which are beyond our control.
We are subject to environmental laws and potential exposure to environmental liabilities.
 We are subject to various federal, state and local environmental laws and regulations that govern our operations, including our manufacturing operations at ARIMF and in Ireland, the handling and disposal of non-hazardous and hazardous wastes, such as medical and biological wastes, and emissions and discharges into the environment, such as air, soils and water sources. Failure to comply with such laws and regulations could result in costs for corrective action, penalties or the imposition of other liabilities. We also are subject to laws and regulations that impose liability and clean-up responsibility for releases of hazardous substances into the environment. Under certain of these laws and regulations, a current or previous owner or operator of property may be liable for the costs of remediating its property or locations to which wastes were sent from its facilities, without regard to whether the owner or operator knew of, or necessarily caused, the contamination. Such obligations and liabilities, which to date have not been material, could have a material impact on our business and financial condition.
We are seeking to expand our business through acquisitions and we may not realize the benefits of such acquisitions.
Our business strategy includes expanding our products and capabilities. In addition to Synageva, we may seek other acquisitions or in-licensing of businesses or products to expand our products and capabilities. Acquisitions of new businesses or products and in-licensing of new products may involve numerous risks, including:
substantial cash expenditures;
potentially dilutive issuance of equity securities;
incurrence of debt and contingent liabilities, some of which may be difficult or impossible to identify at the time of acquisition;
difficulties in assimilating the operations of the acquired companies;

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diverting our management's attention away from other business concerns;
risks of entering markets in which we have limited or no direct experience;
the potential loss of our key employees or key employees of the acquired companies; and
failure of any acquired businesses or products or in-licensed products to achieve the scientific, medical, commercial or other results anticipated.

A substantial portion of our strategic efforts are focused on opportunities for rare disorders and life-saving therapies. The availability of such development opportunities is limited. We may not be able to identify opportunities that are acceptable to us or our shareholders. Several companies have publicly announced intentions to establish or develop rare disease programs. For these and other reasons, we may not be able to acquire the rights to additional product candidates and approved products on terms that we or our shareholders find acceptable, or at all. The development or expansion of our business, any acquired business or any acquired or in-licensed products may require a substantial capital investment by us. We may not have these necessary funds or they might not be available to us on acceptable terms or at all. We may also seek to raise funds by selling shares of our capital stock, which could dilute current stockholders' ownership interest in our company, or securities convertible into our capital stock, which could dilute current stockholders' ownership interest in our company upon conversion.
Even if we are able to successfully identify and complete acquisitions and other strategic transactions, we may not be able to integrate them or take full advantage of them. An acquisition or other strategic transaction may not result in short-term or long-term benefits to us. We may also incorrectly judge the value or worth of an acquired company or business or an acquired or in-licensed product.
To effectively manage our current and future potential growth, we must continue to effectively grow and manage our global employee base, and enhance our operational and financial processes. Supporting our growth strategy will require significant capital expenditures and management resources, including investments in research and development, sales and marketing, manufacturing and other areas of our operations. If we do not successfully manage our current growth and do not successfully execute our strategy, then our business and financial results may be adversely affected and we may incur asset impairment or restructuring charges.
Our business could be affected by litigation, government investigations and enforcement actions.
We operate in many jurisdictions in a highly regulated industry and we could be subject to litigation, government investigation and enforcement actions on a variety of matters in the United States or foreign jurisdictions, including, without limitation, intellectual property, regulatory, product liability, environmental, whistleblower, Qui Tam, false claims, privacy, anti-kickback, anti-bribery, securities, commercial, employment, and other claims and legal proceedings which may arise from conducting our business. As previously disclosed, in May 2015, we received a subpoena in connection with an investigation by the Enforcement Division of the SEC requesting information related to Alexion’s grant-making activities and compliance with the FCPA, as well as securities disclosures related to the recalls of specific lots of Soliris. Legal proceedings, government investigations, including the SEC investigation, and enforcement actions can be expensive and time consuming. An adverse outcome could result in significant damages awards, fines, penalties, exclusion from the federal healthcare programs, healthcare debarment, injunctive relief, product recalls, reputational damage and modifications of our business practices, which could have a material adverse effect on our business and results of operations.
The intended efficiency of our corporate structure depends on the application of the tax laws and regulations in the countries where we operate and we may have exposure to additional tax liabilities or our effective tax rate could change, which could have a material impact on our results of operations and financial position.
As a company with international operations, we are subject to income taxes, as well as non-income based taxes, in both the United States and various foreign jurisdictions. Significant judgment is required in determining our worldwide tax liabilities.  Although we believe our estimates are reasonable, the ultimate outcome with respect to the taxes we owe may differ from the amounts recorded in our financial statements.  If the Internal Revenue Service, or other taxing authority, disagrees with the positions we take, we could have additional tax liability, and this could have a material impact on our results of operations and financial position. Our effective tax rate could be adversely affected by changes in the mix of earnings in countries with different statutory tax rates, changes in the valuation of deferred tax assets and liabilities, changes in tax laws and regulations, changes in interpretations of tax laws, including pending tax law changes, changes in our manufacturing activities and changes in our future levels of research and development spending.
We have designed our corporate structure, the manner in which we develop and use our intellectual property, and our intercompany transactions between our affiliates in a way that is intended to enhance our operational and financial efficiency and increase our overall profitability. We are also integrating the Synageva corporate structure into our own in a manner that is also intended to achieve similar efficiencies. The application of the tax laws and regulations of various countries in which we operate and to our global operations is subject to interpretation. We also must operate our business in a manner consistent with

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our corporate structure to realize such efficiencies. The tax authorities of the countries in which we operate may challenge our methodologies for valuing developed technology or for transfer pricing. If tax authorities determine that the manner in which we operate results in our business not achieving the intended tax consequences, our effective tax rate could increase and harm our financial position and results of operations.
In addition, the United States government and other governments are considering and may adopt tax reform measures that significantly increase our worldwide tax liabilities. The U.S. Congress, the Organization for Economic Co-operation and Development and other government agencies in countries where we and our affiliates operate have focused on issues related to the taxation of multinational corporation, including, for example, in the area of “base erosion and profit shifting,” where payments are made between affiliates from a jurisdiction with high tax rates to a jurisdiction with lower tax rates. We established operations in Ireland in 2013 and recently, Ireland tax authorities announced changes to the treatment of non-resident Irish entities. The changes are not expected to impact existing non-resident Irish entities, such as ours, until after December 31, 2020. These changes and other prospective changes in the United States and other countries in which we and our affiliates operate could increase our effective tax rate, and harm our financial position and results of operations.
Our sales and operations are subject to the economic, political, legal and business conditions in the countries in which we do business, and our failure to operate successfully or adapt to changes in these conditions could cause our sales and operations to be limited or disrupted.
Since 2007, we have significantly expanded our operations and expect to continue to do so in the future. Our operations in foreign countries subject us to the following additional risks:
fluctuations in currency exchange rates;
political or economic determinations that adversely impact pricing or reimbursement policies;
economic problems or political instability that disrupt health care payment systems;
difficulties or inability to obtain financing in markets;
unexpected changes in tariffs, trade barriers and regulatory requirements;
difficulties enforcing contractual and intellectual property rights;
changes in laws, regulations or enforcement practices with respect to our business, including without limitation laws relating to reimbursement, competition, pricing and sales and marketing of our products;
trade restrictions and restrictions on direct investments by foreign entities;
compliance with tax, employment and labor laws;
costs and difficulties in recruiting and retaining qualified managers and employees to manage and operate the business in local jurisdictions;
costs and difficulties in managing and monitoring international operations; and
longer payment cycles.
Our business and marketing methods are also subject to regulation by the governments of the countries in which we operate. The FCPA and similar anti-bribery laws in other countries prohibit companies and their representatives from offering, promising, authorizing or making payments to foreign officials for the purpose of obtaining or retaining business. We have policies and procedures designed to help ensure that we and our representatives, including our employees, comply with such laws, however we cannot guarantee that these policies and procedures will protect us against liability under the FCPA or other anti-bribery laws for actions taken by our representatives. Although we conducted due diligence of Synageva's operations prior to the acquisition, we may discover or identify deficiencies or non-compliance with such laws as we complete the integration of the Synageva business and conduct operations. Failure to comply with the laws and regulations of the countries in which we operate could materially harm our business.
Further, we conduct, or anticipate that we will conduct, a substantial portion of our business in currencies other than the U.S. dollar and we are exposed to fluctuations in foreign currency exchange rates in the normal course of our business. See also Risk Factor "Currency fluctuations and changes in exchange rates could adversely affect our revenue growth, increase our costs and negatively affect our profitability."
The credit and financial market conditions may aggravate certain risks affecting our business.
Sales of our products are or will be dependent, in large part, on reimbursement from government health administration organizations and private and governmental third-party payers, and also co-payments from individual patients in certain situations. As a result of adverse credit and financial market conditions, and the overall financial climate, these governmental organizations and payers, and/or individuals, may reduce or delay initiation of treatment, may be unable to satisfy their

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reimbursement obligations, may delay payment or may seek to reduce reimbursement for our products, including Soliris, in the future, which could have a material adverse effect on our business and results of operations.
Soliris is approved for the treatment of patients with PNH and aHUS in the United States, the European Union and Japan and for the treatment of PNH in several other territories. If Soliris is approved in additional territories for PNH, aHUS, or for additional indications that are under clinical development, the reimbursement risks and uncertainties associated with adverse credit and financial market conditions may be exacerbated due to increases in the number of patients receiving Soliris that require reimbursement.
Payment defaults by a government payer could require us to expense previously recorded revenue as uncollectible, and might cause us to end or restrict sales to patients in that country. Further, the risk of payment default by a government payer could require us to revise our revenue recognition policies in regard to that payer, causing revenue to be recorded only on a cash basis, and we may be required to end or restrict sales to patients in that country. We continue to monitor economic conditions, including volatility associated with U.S. and international economies, associated impacts on the financial markets and our business, and the sovereign debt issues in Europe. We may not be able to successfully mitigate or prevent our exposures to volatile economic and financial conditions and our failure to operate successfully or adapt to changes in these conditions could cause our sales and operations to be limited or disrupted or otherwise harm our business.
Additionally, we rely upon third-parties for certain parts of our business, including Lonza, licensees, wholesale distributors of Soliris, contract clinical trial providers, contract manufacturers and other third-party suppliers and financial institutions. Because of the volatility in the financial markets, there may be a disruption or delay in the performance or satisfaction of commitments to us by these third parties which could have a material adverse effect on our business and results of operations.
Currency fluctuations and changes in exchange rates could adversely affect our revenue growth, increase our costs and negatively affect our profitability.
We conduct, or anticipate that we will conduct, a substantial portion of our business in currencies other than the U.S. dollar. We are exposed to fluctuations in foreign currency exchange rates in the normal course of our business and we expect these exposures to increase during 2015 if the strengthening of the U.S. dollar continues. The exposures result from portions of our revenues, as well as the related receivables, and expenses that are denominated in currencies other than the U.S. dollar, including the Euro, Japanese Yen, British Pound, Swiss Franc, and Russian Ruble. We manage our foreign currency transaction risk within specified guidelines through the use of derivatives. All of our derivative instruments are utilized for risk management purposes, and we do not use derivatives for speculative trading purposes. We enter into foreign exchange forward contracts, with durations of up to 60 months, to hedge exposures resulting from portions of our forecasted revenues, including intercompany revenues, that are denominated in currencies other than the U.S. dollar. The purpose of the hedges of revenue is to reduce the volatility of exchange rate fluctuations on our operating results and to increase the visibility of the foreign exchange impact on forecasted revenues. Further, we enter into foreign exchange forward contracts, with durations of approximately 30 days, designed to limit the balance sheet exposure of monetary assets and liabilities. We enter into these hedges to reduce the impact of fluctuating exchange rates on our operating results. Gains and losses on these hedge transactions are designed to offset gains and losses on underlying balance sheet exposures. While we attempt to hedge certain currency risks, currency fluctuations between the U.S. dollar and the currencies in which we do business have, in the past, caused foreign currency transaction gains and losses and have also impacted the amounts of revenues and expenses calculated in U.S. dollars and will likely do so in the future. Likewise, past currency fluctuations have at times resulted in foreign currency transaction gains, and there can be no assurance that these gains can be reproduced.
Changes in healthcare law and implementing regulations, including those based on recently enacted legislation, as well as changes in healthcare policy and coverage and reimbursement of drug products may impact our business in ways that we cannot currently predict and these changes could adversely affect our business and financial condition.
 Governments in countries where we operate have adopted or have shown significant interest in pursuing legislative initiatives to reduce costs of health care. Any such government-adopted health care measures could adversely impact the pricing of Soliris or the amount of coverage and reimbursement available for Soliris from governmental agencies or other third-party payers.
For example, the PPACA was adopted in the United States in March 2010. This law substantially changes the way healthcare is financed by both governmental and private insurers in the U.S., and significantly impacts the pharmaceutical industry. PPACA contains a number of provisions that are expected to impact our business and operations, in some cases in ways we cannot currently predict. Changes that may affect our business include those governing enrollment in federal healthcare programs, reimbursement changes, rules regarding prescription drug benefits under health insurance exchanges, expansion of the 340B program, expansion of state Medicaid programs, and fraud and abuse enforcement. These changes will impact existing government healthcare programs and will result in the development of new programs, including Medicare payment for performance initiatives and improvements to the physician quality reporting system and feedback program.

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PPACA contains several provisions that have or could potentially impact our business. PPACA made significant changes to the Medicaid Drug Rebate Program. Effective March 23, 2010, rebate liability expanded from fee-for-service Medicaid utilization to include the utilization of Medicaid managed care organizations as well. With regard to the amount of the rebates owed, PPACA increased the minimum Medicaid rebate from 15.1% to 23.1% of the average manufacturer price for most innovator products; changed the calculation of the rebate for certain innovator products that qualify as line extensions of existing drugs; and capped the total rebate amount for innovator drugs at 100% of the average manufacturer price. In addition, PPACA and subsequent legislation changed the definition of average manufacturer price. Finally, PPACA requires pharmaceutical manufacturers of branded prescription drugs, such as Soliris, to pay a branded prescription drug fee to the federal government beginning in 2011. Each individual pharmaceutical manufacturer pays a prorated share of the branded prescription drug fee of $3.0 billion in 2014 (and set to increase in ensuing years), based on the dollar value of its branded prescription drug sales to certain federal programs identified in the law. Sales of "orphan drugs"-those designated under section 526 of the FDCA, like Soliris-are excluded from this fee as long as no non-orphan indications have been approved for the orphan drug.
In 2012, CMS issued proposed regulations to implement the changes to the Medicaid Drug Rebate Program under PPACA but has not yet issued final regulations. CMS is currently expected to release the final regulations in 2015. Moreover, in the future, Congress could enact legislation that further increases Medicaid drug rebates or other costs and charges associated with participating in the Medicaid Drug Rebate Program. The issuance of regulations and coverage expansion by various governmental agencies relating to the Medicaid Drug Rebate Program has and will continue to increase our costs and the complexity of compliance, has been and will be time-consuming, and could have a material adverse effect on our results of operations.
Additional provisions of PPACA, some of which became effective in 2011, may negatively affect our revenues in the future. For example, as part of PPACA’s provisions closing a coverage gap that currently exists in the Medicare Part D prescription drug program (commonly known as the "donut hole"), we are required to provide a 50% discount on branded prescription drugs dispensed to beneficiaries within this donut hole.
PPACA also expanded the Public Health Service’s 340B drug pricing discount program. The 340B pricing program requires participating manufacturers to agree to charge statutorily-defined covered entities no more than the 340B "ceiling price" for the manufacturer’s covered outpatient drugs. PPACA expanded the 340B program to include additional types of covered entities: certain free-standing cancer hospitals, critical access hospitals, rural referral centers and sole community hospitals, each as defined by PPACA. PPACA exempts "orphan drugs"-those designated under section 526 of the FDCA, such as Soliris-from the ceiling price requirements for these newly-eligible entities. On July 21, 2014, the Health Resources and Services Administration (HRSA) which administers the 340B program, issued an interpretive rule to implement the orphan drug exception which interprets the orphan drug exception narrowly. It exempts orphan drugs from the ceiling price requirements for the newly-eligible entities only when the orphan drug is used for its orphan indication. The newly-eligible entities are entitled to purchase orphan drugs at the ceiling price when the orphan drug is not used for its orphan indication. A manufacturer trade group has filed a lawsuit challenging the interpretive rule as inconsistent with the statutory language. That challenge remains ongoing. The uncertainty regarding how the statutory orphan drug exception will be applied will increase the complexity of compliance, will make compliance more time-consuming, and could negatively impact our results of operations. If HRSA’s narrow interpretation of the scope of the orphan drug exemption prevails, it could potentially negatively impact the price we are paid for Soliris by certain entities for some uses and increase the complexity of compliance with the 340B program.
In addition, our industry may be affected by broader legislation addressing federal spending, including, for example, a sequester required by the Budget Control Act of 2011, Pub. L. No. 112-25, as amended by the American Taxpayer Relief Act of 2012, Pub. L. 112-240, that took effect in April 2013 and was expended by the Bipartisan Budget Act of 2013, Pub. L. No. 113-67. Under the sequestration, Medicare payments for all items and services, including drugs and biologicals, have been reduced by 2%. This 2% reduction in Medicare payments affects all Parts of the Medicare program and could impact sales of Soliris. As another example, the governments of Germany and Spain each approved increases to mandatory rebates on the sales of pharmaceutical products.
We expect that the implementation of current laws and policies, the amendment of those laws and policies in the future, as well as the adoption of new laws and policies, could have a material adverse effect on our industry generally and on our ability to maintain or increase our product sales or successfully commercialize our product candidates, or could limit or eliminate our future spending on development projects. In many cases, these government initiatives, even if enacted into law, are subject to future rulemaking by regulatory agencies. Although we have evaluated these government initiatives and the impact on our business, we cannot know with certainty whether any such law, rule or regulation will adversely affect coverage and reimbursement of our products, or to what extent, until such laws, rules and regulations are promulgated, implemented and enforced. The announcement or adoption of regulatory or legislative proposals could delay or prevent our entry into new markets, affect our reimbursement or sales in the markets where we are already selling Soliris and materially harm our business, financial condition and results of operations.

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If we fail to comply with our reporting and payment obligations under the Medicaid Drug Rebate Program, Medicare, or other governmental pricing programs, we could be subject to additional reimbursement requirements, penalties, sanctions and fines which could have a material adverse effect on our business, financial condition, results of operations and growth prospects.
Medicare is a U.S. federal government insurance program that covers individuals aged 65 years or older, certain younger individuals with certain disabilities, and individuals with End-Stage Renal Disease. The primary Medicare programs that may affect reimbursement for Soliris are Medicare Part B, which covers physician services and outpatient care, and Medicare Part D, which provides a voluntary outpatient prescription drug benefit. Medicare Part B provides limited coverage of certain outpatient drugs and biologicals that are reasonable and necessary for diagnosis or treatment of an illness or injury. Under Part B, reimbursement is based on a fixed percentage of the applicable product’s ASP. Manufacturers calculate ASP based on a statutory formula and must report ASP information to the CMS, the federal agency that administers Medicare and the Medicaid Drug Rebate Program, on a quarterly basis.
Medicaid is a government health insurance program for low-income children, families, pregnant women, and people with disabilities. It is jointly funded by the federal and state governments, and it is administered by individual states within parameters established by the federal government. Coverage and reimbursement for drugs and biologicals thus varies by state. Drugs and biologicals may be covered under the medical or pharmacy benefit. State Medicaid programs may impose utilization management controls, such as prior authorization, step therapy, or quantity limits on drugs and biologicals. Medicaid also includes the Medicaid Drug Rebate Program, under which we are required to pay a rebate to each state Medicaid program for quantities of Soliris that are dispensed to Medicaid beneficiaries and paid for by a state Medicaid program as a condition of having federal funds being made available to the states for Soliris under Medicaid and Medicare Part B. Those rebates are based on pricing data reported by us on a monthly and quarterly basis to CMS. These data include the average manufacturer price and the best price for Soliris.
Federal law requires that any company that participates in the Medicaid Drug Rebate Program also participate in the Public Health Service’s 340B drug pricing program in order for federal funds to be available for the manufacturer’s drugs under Medicaid and Medicare Part B. The 340B pricing program requires participating manufacturers to agree to charge statutorily-defined covered entities no more than the 340B "ceiling price" for the manufacturer’s covered outpatient drugs. These 340B covered entities include a variety of community health clinics and other entities that receive health services grants from the Public Health Service, as well as hospitals that serve a disproportionate share of low-income patients. The 340B ceiling price is calculated using a statutory formula, which is based on the average manufacturer price and rebate amount for the covered outpatient drug as calculated under the Medicaid Drug Rebate Program.
Pricing and rebate calculations vary among products and programs. The calculations are complex and are often subject to interpretation by us, governmental or regulatory agencies and the courts. The Medicaid rebate amount is computed each quarter based on our submission to CMS of our current average manufacturer price and best price for the quarter. If we become aware that our reporting for a prior quarter was incorrect, or has changed as a result of recalculation of the pricing data, we are obligated to resubmit the corrected data for a period not to exceed twelve quarters from the quarter in which the data originally were due. Such restatements and recalculations increase our costs for complying with the laws and regulations governing the Medicaid Drug Rebate Program. Any corrections to our rebate calculations could result in an overage or underage in our rebate liability for past quarters, depending on the nature of the correction. Price recalculations also may affect the ceiling price at which we are required to offer our products to certain covered entities, such as safety-net providers, under the 340B drug discount program.
We are liable for errors associated with our submission of pricing data. In addition to retroactive rebates and the potential for 340B program refunds, if we are found to have knowingly submitted false average manufacturer price, ASP, or best price information to the government, we may be liable for civil monetary penalties in the amount of $100,000 per item of false information. If we are found to have made a misrepresentation in the reporting of our ASP, the Medicare statute provides for civil monetary penalties of up to $10,000 for each misrepresentation for each day in which the misrepresentation was applied. Our failure to submit monthly/quarterly average manufacturer price, ASP, and best price data on a timely basis could result in a civil monetary penalty of $10,000 per day for each day the information is late beyond the due date. Such failure also could be grounds for CMS to terminate our Medicaid drug rebate agreement, pursuant to which we participate in the Medicaid program. In the event that CMS terminates our rebate agreement, federal payments may not be available under Medicaid or Medicare Part B for our covered outpatient drugs.
In September 2010, CMS and the Office of Inspector General (OIG) indicated that they intend to pursue more aggressively those companies who fail to report these data to the government in a timely manner. Governmental agencies may also make changes in program interpretations, requirements or conditions of participation, some of which may have implications for amounts previously estimated or paid. We cannot assure you that our submissions will not be found by CMS to be incomplete or incorrect.

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Federal law requires that for a company to be eligible to have its products paid for with federal funds under the Medicaid program as well as to be purchased by certain federal agencies and grantees, it also must participate in the Department of Veterans Affairs (VA) Federal Supply Schedule (FSS) pricing program. To participate, we are required to enter into an FSS contract with the VA, under which we must make our innovator "covered drugs" available to the "Big Four" federal agencies - the VA, the Department of Defense (DoD) the Public Health Service, and the Coast Guard - at pricing that is capped pursuant to a statutory federal ceiling price, or FCP, formula set forth in Section 603 of the Veterans Health Care Act of 1992 (VHCA). The FCP is based on a weighted average non-federal average manufacturer price (Non-FAMP) which manufacturers are required to report on a quarterly and annual basis to the VA. If a company misstates Non-FAMPs or FCPs it must restate these figures. Pursuant to the VHCA, knowing provision of false information in connection with a Non-FAMP filing can subject a manufacturer to penalties of $100,000 for each item of false information.
FSS contracts are federal procurement contracts that include standard government terms and conditions, separate pricing for each product, and extensive disclosure and certification requirements. All items on FSS contracts are subject to a standard FSS contract clause that requires FSS contract price reductions under certain circumstances where pricing is reduced to an agreed "tracking customer." Further, in addition to the "Big Four" agencies, all other federal agencies and some non-federal entities are authorized to access FSS contracts. FSS contractors are permitted to charge FSS purchasers other than the Big Four agencies "negotiated pricing" for covered drugs that is not capped by the FCP; instead, such pricing is negotiated based on a mandatory disclosure of the contractor’s commercial "most favored customer" pricing. We offer dual pricing on our FSS contract.
In addition, pursuant to regulations issued by the DoD TRICARE Management Activity, now the Defense Health Agency, to implement Section 703 of the National Defense Authorization Act for Fiscal Year 2008, each of our covered drugs is listed on a Section 703 Agreement under which we have agreed to pay rebates on covered drug prescriptions dispensed to TRICARE beneficiaries by TRICARE network retail pharmacies. Companies are required to list their innovator products on Section 703 Agreements in order for those products to be eligible for DoD formulary inclusion. The formula for determining the rebate is established in the regulations and our Section 703 Agreement and is based on the difference between the annual Non-FAMP and the FCP (as described above, these price points are required to be calculated by us under the VHCA).
If we overcharge the government in connection with our FSS contract or Section 703 Agreement, whether due to a misstated FCP or otherwise, we are required to refund the difference to the government. Failure to make necessary disclosures and/or to identify contract overcharges can result in allegations against us under the FCA and other laws and regulations. Unexpected refunds to the government, and responding to a government investigation or enforcement action, would be expensive and time-consuming, and could have a material adverse effect on our business, financial condition, results of operations and growth prospects.
We may be subject to numerous and varying privacy and security laws, and our failure to comply could result in penalties and reputational damage.
We are subject to laws and regulations covering data privacy and the protection of personal information including health information. The legislative and regulatory landscape for privacy and data protection continues to evolve, and there has been an increasing focus on privacy and data protection issues which may affect our business. In the U.S., some of the laws that may apply include state security breach notification laws, state health information privacy laws and federal and state consumer protections laws which impose requirements for the collection, use, disclosure and transmission of personal information. Each of these laws may be subject to varying interpretations by courts and government agencies, creating complex compliance issues for us. If we fail to comply with applicable laws and regulations we could be subject to penalties or sanctions. Accordingly, we could be subject to criminal penalties if we knowingly obtain individually identifiable health information from a covered entity in a manner that is not authorized or permitted by the federal Health Insurance Portability and Accountability Act of 1996, as amended (HIPAA) or for aiding and abetting the violation of HIPAA.
In addition, the receipt of personal health information in connection with our clinical trial initiatives is subject to state and federal human subject protection laws. These laws could create liability for us if one of our research collaborators were to use or disclose research subject information without consent and in violation of applicable laws.
Numerous other countries have, or are developing, laws governing the collection, use and transmission of personal information as well. European Union member states and other jurisdictions have adopted data protection laws and regulations, which impose significant compliance obligations. For example, the EU Data Protection Directive, as implemented into national laws by the EU member states, imposes strict obligations and restrictions on the ability to collect, analyze, and transfer personal data, including health data from clinical trials and adverse event reporting. Data protection authorities from different EU member states may interpret the EU Data Protection Directive and national laws differently, which adds to the complexity of processing personal data in the EU, and guidance on implementation and compliance practices are often updated or otherwise revised. The EU Data Protection Directive prohibits the transfer of personal data to countries outside of the EU member states that are not considered by the European Commission to provide an adequate level of data protection. These countries include the United States. Any failure to comply with the rules arising from the EU Data Protection Directive and related national laws

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of European Union member states could lead to government enforcement actions and significant penalties against us, and adversely impact our operating results
A proposal for an EU Data Protection Regulation, intended to replace the current EU Data Protection Directive, is currently under consideration. The EU Data Protection Regulation is expected to introduce new data protection requirements in the EU and substantial fines for breaches of the data protection rules. If the draft EU Data Protection Regulation is adopted in its current form, it may increase our responsibility and liability in relation to personal data that we process and we may be required to put in place additional mechanisms ensuring compliance with the new EU data protection rules.
Security breaches, cyber-attacks, or other disruptions could expose us to liability and affect our business and reputation.
We collect, store, and transmit sensitive information including intellectual property, proprietary business information and personal information in connection with business operations. The secure maintenance of this information is critical to our operations and business strategy. Some of this information could be an attractive target of criminal attack by malicious third parties with a wide range of motives and expertise, including organized criminal groups, “hactivists,” patient groups, disgruntled current or former employees, and others. Hacker attacks are of ever-increasing levels of sophistication, and despite our security measures, and those of Synageva, our information technology and infrastructure may be vulnerable to such attacks or may be breached due to employee error or malfeasance. We have implemented information security measures to protect patients’ personal information against the risk of inappropriate and unauthorized external use and disclosure. However, despite these measures, and due to the ever changing information cyber-threat landscape, we may be subject to data breaches through cyber-attacks perpetrated by individuals that attempt to compromise our security controls. Any such breach could compromise our networks and the information stored there could be accessed, publicly disclosed, lost or stolen. if our systems become compromised, we may not promptly discover the intrusion. Like other companies in our industry, we have experienced attacks to our data and systems, including malware and computer viruses, and Synageva experienced similar attacks prior to the acquisition. If our systems were to fail or be disrupted for an extended period of time we could lose product sales and our revenue and reputation would suffer. In the event our systems were to be breached by an unauthorized third-party, they could potentially access confidential personal information, which could cause us to suffer reputational damage and loss of customer confidence. Such incidents would result in notification obligations to affected individuals and government agencies, legal claims or proceedings, and liability under federal and state laws that protect the privacy and security of personal information. Any one of these events could cause our business to be materially harmed and our results of operations would be adversely impacted.

Risks Related to Our Common Stock
If the trading price of our common stock continues to fluctuate in a wide range, our stockholders will have uncertainty with respect to an investment in our common stock.
The trading price of our common stock has been volatile and may continue to be volatile in the future. Factors such as announcements of fluctuations in our or our competitors' operating results or clinical or scientific results, fluctuations in the trading prices or business prospects of our competitors and collaborators, changes in our prospects, particularly with respect to sales of Soliris, failure to resolve, delays in resolving or other developments with respect to the issues raised in the Warning Letter, acquisitions or other strategic transactions, and market conditions for biopharmaceutical stocks in general could have a significant impact on the future trading prices of our common stock. In particular, the trading price of the common stock of many biopharmaceutical companies, including ours, has experienced extreme price and volume fluctuations, which have at times been unrelated to the operating performance of the companies whose stocks were affected. This is due to several factors, including general market conditions, sales of Soliris, the announcement of the results of our clinical trials or product development and the results of our efforts to obtain regulatory approval for our products. While we cannot predict our future performance, if our stock price continues to fluctuate in a wide range, an investment in our common stock may result in considerable uncertainty for an investor.
Anti-takeover provisions of Delaware law, provisions in our charter and bylaws could make a third-party acquisition of us difficult and may frustrate any attempt to remove or replace our current management.
 Because we are a Delaware corporation, the anti-takeover provisions of Delaware law could make it more difficult for a third party to acquire control of us, even if the change in control would be beneficial to stockholders. We are subject to the provisions of Section 203 of the Delaware General Laws, which prohibits a person who owns in excess of 15% of our outstanding voting stock from merging or combining with us for a period of three years after the date of the transaction in which the person acquired in excess of 15% of our outstanding voting stock, unless the merger or combination is approved in a prescribed manner.
Our corporate charter and by-law provisions may discourage certain types of transactions involving an actual or potential change of control that might be beneficial to us or our stockholders. Our bylaws provide that special meetings of our

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stockholders may be called only by the Chairman of the Board, the President, the Secretary, or a majority of the Board of Directors, or upon the written request of stockholders who together own of record 50% of the outstanding stock of all classes entitled to vote at such meeting. Our bylaws also specify that the authorized number of directors may be changed only by resolution of the board of directors. Our charter does not include a provision for cumulative voting for directors, which may have enabled a minority stockholder holding a sufficient percentage of a class of shares to elect one or more directors. Under our charter, our board of directors has the authority, without further action by stockholders, to designate up to 5,000 shares of preferred stock in one or more series. The rights of the holders of common stock will be subject to, and may be adversely affected by, the rights of the holders of any class or series of preferred stock that may be issued in the future.
Our Board of Directors decided to accelerate the expiration of our shareholder rights plan after reviewing our governance profile and current practices, considering the vote results on a related non-binding shareholder proposal presented at our 2014 annual meeting of shareholders, and determining that it was in the best interests of Alexion and our shareholders. The shareholder rights plan expired in March 2015.

Item 2.
UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS.

ISSUER PURCHASE OF EQUITY SECURITIES (amounts in thousands except per share amounts)

The following table summarizes our common stock repurchase activity during the second quarter of 2015:
Period
Total Number of Shares Purchased
 
Average Price Paid per Share
 
Total Number of Shares Purchased as Part of Publicly Announced Programs
 
Maximum Dollar Value of Shares that May Yet Be Purchased Under the Program
April 1-30, 2015
132

 
$
178.23

 
132

 
$
436,149

May 1-31, 2015

 
$

 

 
$
1,000,000

June 1-30, 2015

 
$

 

 
$
1,000,000

Total
132

 
$
178.23

 
132

 
 
In November 2012, our Board of Directors authorized a share repurchase program. The repurchase program does not have an expiration date. In May 2015, our Board of Directors increased the authorization of shares up to $1,000,000 for future purchases under the repurchase program, which superseded all prior repurchase programs. As previously disclosed, the Company did not repurchase any shares during the pendency of the Synageva acquisition.

Item 5.
OTHER INFORMATION.
None.


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Item 6.
EXHIBITS.
(a)
Exhibits:
10.1

Registration Rights Agreement, dated July 8, 2015, between Alexion Pharmaceuticals, Inc. and the investors who are signatories to the agreement.
 
 
10.2

Non-Exclusive Sub-License Agreement, between Abbey BioPharma Corp. (a wholly owned subsidiary of Alexion Pharmaceuticals, Inc.) and Pangenix, dated April 1, 2003, incorporated by reference to Synageva BioPharma Corp.’s Quarterly Report on Form 10-Q filed with the SEC on November 14, 2011.+
 
 
10.3

Exclusive Sublicense Agreement, between Shire AG and Alexion Pharma LLC (successor in interest to Synageva BioPharma Corp.), dated April 5, 2013, incorporated by reference to Synageva BioPharma Corp.’s Quarterly Report on Form 10-Q filed with the SEC on May 7, 2013.+
 
 
10.4

Second Amended and Restated License Agreement between Alexion Pharma LLC (successor in interest to Synageva BioPharma Corp.) and the University of Georgia Research Foundation, Inc., effective as of December 3, 2013, incorporated by reference to Synageva BioPharma Corp.’s Annual Report on Form 10-K filed with the SEC on March 3, 2014.+
 
 
10.5

Exclusive Patent License Agreement, between Abbey BioPharma Corp. (a wholly owned subsidiary of Alexion Pharmaceuticals, Inc.) and the University of Minnesota, dated May 13, 2009, incorporated by reference to Synageva BioPharma Corp.’s Quarterly Report on Form 10-Q filed with the SEC on November 14, 2011.+
 
 
31.1

Certificate of Chief Executive Officer pursuant to Exchange Act Rules 13a-14 and 15d-14, as adopted pursuant to Section 302 Sarbanes Oxley Act of 2002.
 
 
31.2

Certificate of Chief Financial Officer pursuant to Exchange Act Rules 13a-14 and 15d-14, as adopted pursuant to Section 302 of Sarbanes Oxley Act of 2002.
 
 
32.1

Certificate of Chief Executive Officer pursuant to Section 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes Oxley Act.
 
 
32.2

Certificate of Chief Financial Officer pursuant to Section 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes Oxley Act.
 
 
101

The following materials from the Alexion Pharmaceuticals, Inc. Quarterly Report on Form 10-Q for the quarter ended June 30, 2015 formatted in eXtensible Business Reporting Language (XBRL): (i) the Condensed Consolidated Balance Sheets at June 30, 2015 and December 31, 2014, (ii) the Condensed Consolidated Statements of Operations for the three and six months ended June 30, 2015 and 2014, (iii) the Condensed Consolidated Statements of Comprehensive Income for the three and six months ended June 30, 2015 and 2014, (iv) the Condensed Consolidated Statements of Cash Flows for the six months ended June 30, 2015 and 2014,
and (v) Notes to Condensed Consolidated Financial Statements.
 
+ Confidential treatment was granted for portions of such exhibit.


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SIGNATURES
Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
 
 
ALEXION PHARMACEUTICALS, INC.
 
 
 
 
By:
/s/    David Hallal 
Date: July 31, 2015
 
David Hallal
Chief Executive Officer (principal executive officer)
 
 
 
 
By:
/s/    Vikas Sinha        
Date: July 31, 2015
 
Vikas Sinha, M.B.A., C.A.
Executive Vice President and Chief Financial Officer
(principal financial officer)






EXECUTION VERSION




REGISTRATION RIGHTS AGREEMENT
This Registration Rights Agreement (this “Agreement”) is made as of July 8, 2015, by and between Alexion Pharmaceuticals, Inc., a Delaware corporation (the “Company”), and the persons listed on the attached Schedule A who are signatories to this Agreement (collectively, the “Investors”). Unless otherwise defined herein, capitalized terms used in this Agreement have the respective meanings ascribed to them in Section 1.
RECITALS
WHEREAS, the Company and the Investors wish to provide for certain arrangements with respect to the registration of the Registrable Securities (as defined below) by the Company under the Securities Act.
NOW, THEREFORE, in consideration of the mutual promises and covenants set forth herein, and other consideration, the receipt and adequacy of which are hereby acknowledged, the parties hereto agree as follows:
Section 1
Definitions
1.1    Certain Definitions. In addition to the terms defined elsewhere in this Agreement, as used in this Agreement, the following terms have the respective meanings set forth below:
(a)    Board” shall mean the Board of Directors of the Company.
(b)    Commission” shall mean the Securities and Exchange Commission or any other federal agency at the time administering the Securities Act.
(c)    Common Stock” shall mean the common stock of the Company, par value $0.001 per share.
(d)    Company Indemnitee” has the meaning set forth in Section 2.6(b).
(e)    Controlling Person” has the meaning set forth in Section 2.6(a).
(f)    End of Suspension Notice” has the meaning set forth in Section 2.5(a).
(g)    Exchange Act” shall mean the Securities Exchange Act of 1934, as amended, or any similar successor federal statute and the rules and regulations thereunder, all as the same shall be in effect from time to time.
(h)    Indemnified Party” has the meaning set forth in Section 2.6(c).
(i)    Indemnifying Party” has the meaning set forth in Section 2.6(c).
(j)    Investor Indemnitee” has the meaning set forth in Section 2.6(a).

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(k)    Liabilities” and “Liability” have the meaning set forth in Section 2.6(a).
(l)    Notice of Proposed Sale” has the meaning set forth in Section 2.2(a).
(m)    Other Selling Stockholders” shall mean persons other than the Investors who are from time to time entitled to include their Other Shares in certain registrations hereunder.
(n)    Other Shares” shall mean shares of Common Stock, other than Registrable Securities (as defined below), with respect to which registration rights have been granted by the Company from time to time.
(o)    Person” shall mean any individual, partnership, corporation, company, association, trust, joint venture, limited liability company, unincorporated organization, entity or division, or any government, governmental department or agency or political subdivision thereof.
(p)    Proceeding” has the meaning set forth in Section 2.6(a).
(q)    Registrable Securities” shall mean the shares of Common Stock or any other securities (whether equity, debt or otherwise) of the Company acquired by the Investors in connection with the Merger Agreement and any other securities (whether equity, debt or otherwise) of Company acquired after the date hereof and that are held at the time of a demand pursuant to Section 2.1(a) by any of the Investors.
(r)    The terms “register,” “registered” and “registration” shall refer to a registration effected by preparing and filing a Registration Statement in compliance with the Securities Act, and such Registration Statement becoming effective under the Securities Act.
(s)    Registration Expenses” shall mean all expenses incurred by the Company in effecting any registration pursuant to this Agreement, including, without limitation, all registration, qualification, and filing fees, printing expenses, escrow fees, fees and disbursements of counsel for the Company and up to $50,000 of reasonable legal expenses of one special counsel for Investors (if different from the Company’s counsel and if such counsel is reasonably approved by the Company) per underwritten public offering, blue sky fees and expenses, and expenses of any regular or special audits incident to or required by any such registration, but shall not include Selling Expenses.
(t)    Registration Statement” means any registration statement of the Company filed with, or to be filed with, the SEC under the Securities Act, including the related prospectus, amendments and supplements to such registration statement, including pre- and post-effective amendments, and all exhibits and all material incorporated by reference in such registration statement as may be necessary to comply with applicable securities laws other than a registration statement (and related Prospectus) filed on Form S-4 or Form S-8 or any successor forms thereto.

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(u)    Rule 144” shall mean Rule 144 as promulgated by the Commission under the Securities Act, as such rule may be amended from time to time, or any similar successor rule that may be promulgated by the Commission.
(v)    Securities Act” shall mean the Securities Act of 1933, as amended, or any similar successor federal statute and the rules and regulations thereunder, all as the same shall be in effect from time to time.
(w)    Selling Expenses” shall mean all underwriting discounts and selling commissions applicable to the sale of Registrable Securities, the fees and expenses of any legal counsel and any other advisors any of the Investors engage and all similar fees and commissions relating to the Investors’ disposition of the Registrable Securities.
(x)    Suspension Event” has the meaning set forth in Section 2.4(e).
(y)    Suspension Notice” has the meaning set forth in Section 2.4(e).
Section 2    
Resale Registration Rights
2.1    Resale Registration Rights.
(a)    Following demand by any Investor, the Company shall file with the Commission, as promptly as reasonably practicable, and in any event within thirty (30) days of such demand, a Registration Statement on Form S-3 covering the resale of the Registrable Securities by the Investors submitting such demand (the “Resale Registration Shelf”). Such Resale Registration Shelf shall include a “final” prospectus, including the information required by Item 507 of Regulation S-K of the Securities Act, as provided by the Investors. Notwithstanding the foregoing, before filing the Resale Registration Shelf, the Company shall furnish to the Investors a copy of the Resale Registration Shelf and afford the Investors an opportunity to review and comment on the Resale Registration Shelf. The Company’s obligation pursuant to this Section 2.1(a) is conditioned upon the Investors providing the information contemplated in Section 2.7.
(b)    The Company shall use its reasonable best efforts to cause the Resale Registration Shelf and related prospectuses to become effective as promptly as practicable after filing. Subject to Section 3.11, the Company shall use its reasonable best efforts to cause such Registration Statement to remain effective under the Securities Act until all Registrable Securities covered by the Resale Registration Shelf have been sold (including pursuant to Rule 144 and sales to the Company) or may be sold freely without limitations or restrictions as to volume or manner of sale pursuant to Rule 144. The Company shall promptly, and within two (2) Business Days after the Company confirms effectiveness of the Resale Registration Shelf with the Commission, notify the Investors of the effectiveness of the Resale Registration Shelf.

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(c)    Notwithstanding anything contained herein to the contrary, the Company shall not be obligated to effect, or to take any action to effect, a registration pursuant to Section 2.1(a):
(i)    if the Company has and maintains an effective Registration Statement on Form S-3 (including, without limitation, the Company’s current Registration Statement on Form S-3, filed on May 23, 2012 (File No. 333--181595) that provides for the resale of an unlimited number of securities by the Investors (the “Company Registration Shelf”); or
(ii)    during the period forty-five (45) days prior to the Company’s good faith estimate of the date of filing of a Company Registration Shelf.
(d)    The Company shall file with the Commission, as promptly as practicable, and in any event within ten (10) business days of this Agreement, a “final” prospectus to its Company Registration Shelf covering the resale of the Registrable Securities by the Investors (the “Prospectus”). The Prospectus shall include the information required under Item 507 of Regulation S-K of the Securities Act, which information shall be provided by the Investors. Notwithstanding the foregoing, before filing the Prospectus, the Company shall furnish to the Investors a copy of the Prospectus and afford the Investors an opportunity to review and comment on the Prospectus.
(e)    Deferral and Suspension. At any time after being obligated to file a Resale Registration Shelf or after any Resale Registration Shelf has become effective, the Company may defer the filing of or suspend the use of any such Resale Registration Shelf, upon giving written notice of such action to the Investors with a certificate signed by the Chief Executive Officer of the Company stating that in the good faith judgment of the Board, the filing or use of a Registration Statement covering the Registrable Securities would be seriously detrimental to the Company or its stockholders at such time and that the Board concludes, as a result, that it is in the best interests of the Company or its stockholders to defer the filing or suspend the use of such Resale Registration Shelf at such time. The Company shall have the right to defer the filing of or suspend the use of such Resale Registration Shelf for a period of not more than one hundred twenty (120) days from the date the Company notifies the Investors of such deferral or suspension; provided that the Company shall not exercise the right contained in this Section 2.1(d) more than once in any twelve (12)-month period. In the case of the suspension of use of any effective Resale Registration Shelf, the Investors, immediately upon receipt of notice thereof from the Company, shall discontinue any sales of Registrable Securities pursuant to such Resale Registration Shelf until advised in writing by the Company that the use of such Resale Registration Shelf may be resumed. In the case of a deferred Resale Registration Shelf, the Company shall provide prompt written notice to the Investors of (i) the Company’s decision to file or seek effectiveness of the Resale Registration Shelf following such deferral and (ii) the effectiveness of such Resale Registration Shelf.
(f)    Other Shares. Subject to Section 2.2(e) below, any Resale Registration Shelf may include Other Shares, and may include securities of the Company being sold for the account of the Company; provided such Other Shares are excluded first from such Registration

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Statement in order to comply with any applicable laws or request from any Government Entity, Nasdaq or any applicable listing agency.
2.2    Sales and Underwritten Offerings of the Registrable Securities.
(a)    If the Investors intend to effect an underwritten public offering to sell or otherwise distribute Registrable Securities pursuant to the Resale Registration Shelf or the Company Registration Shelf, they shall provide the Company as much notice to the Company as reasonably practicable (and in any event not less than seven (7) business days prior to the Investors’ request that the Company file a prospectus supplement to a Resale Registration Shelf or Company Registration Shelf).
(b)    If the Investors intend to sell or otherwise distribute Registrable Securities other than pursuant to an underwritten public offering to more than 10 persons in a single transaction or series of related transactions, they shall provide the Company not less than seven (7) days written notice (a “Notice of Proposed Sale”) which specifies the amount of Registrable Securities proposed to be sold, the number of transferees, the anticipated timing of the sale and the proposed method of sale or distribution (which, subject to Section 2.2(b), may be any method of sale or distribution set forth in the plan of distribution included in the Resale Registration Shelf or the Company Registration Shelf), and the Company shall have the right, but not the obligation, to require that the Investor or Investors conduct an underwritten public offering with respect to the sale of such securities pursuant to the Resale Registration Statement or the Company Registration Statement. The Company shall inform the Investors of whether it will require the securities included in the Notice of Proposed Sale be sold pursuant to an underwritten public offering as soon as practicable but in any event within seven (7) business days of receipt of the Notice of Proposed Sale. If the Company fails to notify the Investors within such seven (7)-business day period, or informs the Investors it will not require an underwritten public offering, the Investors shall be permitted to sell or distribute such Registrable Securities consistent with the plan of distribution contained in the Resale Registration Shelf or Company Registration Shelf.
(c)    In connection with any offering by the Investors involving an underwriting of shares of Common Stock, the Company shall be entitled to select the underwriter or underwriters for such offering, but subject to the consent of the Investors which shall not be unreasonably withheld, conditioned or delayed.
(d)    In connection with any offering initiated by the Investors involving an underwriting of shares of Common Stock, including pursuant to Section 2.2(b), the Investors shall (i) enter into an underwriting agreement in customary form with such underwriter or underwriters, (ii) accept customary terms in such underwriting agreement with regard to representations and warranties relating to ownership of the Registrable Securities and authority and power to enter into such underwriting agreement, (iii) enter into any reasonable and customary “lock-up” or “market standoff” agreements that the managing underwriter for such offering deem necessary or advisable in connection with such offering, and (iv) complete and execute all questionnaires, powers of attorney, custody agreements, indemnities and other documents as may be requested by such underwriter or underwriters.

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(e)    If the total amount of securities to be sold in any offering involving an underwriting of shares of Common Stock owned by the Investors pursuant to Section 2.2(b) exceeds the amount that the underwriters determine in their sole discretion is compatible with the success of the offering, then the Company shall be required to include in the offering only that number of such securities, including Registrable Securities and securities of Other Selling Stockholders (subject in each case to the cutback provisions set forth in this Section 2.2(e)), that the underwriters and the Company determine in their sole discretion shall not jeopardize the success of the offering. In any offering involving an underwriting of shares of Common Stock owned by the Investors, the number of shares that are entitled to be included in the registration and underwriting shall be allocated in the following manner: (a) first, securities of Other Selling Stockholders requested to be included in such registration shall be excluded, (b) second, shares of Company equity securities that the Company desires to include in such registration shall be excluded and (c) third, Registrable Securities requested to be included in such registration by the Investors shall be excluded. To facilitate the allocation of shares in accordance with the above provisions, the Company or the underwriters may round down the number of shares allocated to any selling stockholder (including the Investors) to the nearest 100 shares.
2.3    Expenses of Registration. All Registration Expenses incurred in connection with registrations pursuant to this Agreement shall be borne by the Company. All Selling Expenses relating to securities registered on behalf of the Investors shall be borne by the Investors.
2.4    Registration Procedures. In the case of each registration of Registrable Securities effected by the Company pursuant to Section 2.1 (including pursuant to Section 2.1(c)(i)) hereof, the Company shall keep the Investors advised as to the initiation of each such registration and as to the status thereof. The Company shall use its reasonable best efforts, within the limits set forth in this Section 2.4, to:
(a)    prepare and file with the Commission such amendments and supplements to such Registration Statement and the prospectuses used in connection with such Registration Statement as may be necessary to keep such Registration Statement effective and current and comply with the provisions of the Securities Act with respect to the disposition of all securities covered by such Registration Statement;
(b)    furnish to the Investors such numbers of copies of a prospectus, including preliminary prospectuses, in conformity with the requirements of the Securities Act, and such other documents as the Investors may reasonably request in order to facilitate the disposition of Registrable Securities;
(c)    use its reasonable best efforts to register and qualify the securities covered by such Registration Statement under such other securities or blue sky laws of such jurisdictions as shall be reasonably requested by the Investors, provided that the Company shall not be required in connection therewith or as a condition thereto to qualify to do business or to file a general consent to service of process in any such states or jurisdictions;
(d)    in the event of any underwritten public offering, enter into and perform its obligations under an underwriting agreement, in usual and customary form, with the managing

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underwriter of such offering and take such other usual and customary action as the Investors may request in order to facilitate the disposition of such Registrable Securities;
(e)    deliver a notice (a “Suspension Notice”) to the Investors at any time when a prospectus relating to a Registration Statement covering any Registrable Securities is required to be delivered under the Securities Act of the happening of any event (a “Suspension Event”) as a result of which the prospectus included in such Registration Statement, as then in effect, includes an untrue statement of a material fact or omits to state a material fact required to be stated therein or necessary to make the statements therein not misleading in the light of the circumstances then existing. The Company shall use its reasonable best efforts to amend or supplement such prospectus in order to cause such prospectus not to include any untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading in the light of the circumstances then existing;
(f)    provide a transfer agent and registrar for all Registrable Securities registered pursuant to such Registration Statement and, if required, a CUSIP number for all such Registrable Securities, in each case not later than the effective date of such registration;
(g)    if requested by an Investor, cause the Company’s transfer agent to remove any restrictive legend from any Registrable Securities being transferred by an Investor, within two (2) business days of such request;
(h)    cause to be furnished, at the request of the Investors, on the date that Registrable Securities are delivered to underwriters for sale in connection with an underwritten offering pursuant to this Agreement, (i) an opinion, dated such date, of the counsel representing the Company for the purposes of such registration, in form and substance as is customarily given to underwriters in an underwritten public offering, addressed to the underwriters, and (ii) a “comfort” letter or letters, dated as of such date, from the independent certified public accountants of who have certified the Company’s financial statements included in the Resale Registration Shelf or the Company Registration Shelf, as applicable, in form and substance as is customarily given by independent certified public accountants to underwriters in an underwritten public offering, addressed to the underwriters; and
(i)    cause all such Registrable Securities included in a Registration Statement pursuant to this Agreement to be listed on each securities exchange or other securities trading markets or which Common Stock is then listed.
2.5    The Investors Obligations.
(a)    Discontinuance of Distribution. The Investors agree that, upon receipt of Suspension Notice regarding a Suspension Event, the Investors shall immediately discontinue disposition of Registrable Securities pursuant to any Registration Statement covering such Registrable Securities until the Investors’ receipt of the copies of the supplemented or amended prospectus contemplated by Section 2.4(e) hereof or receipt of notice (an “End of Suspension Notice”) that no supplement or amendment is required and that the Investors’ disposition of the

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Registrable Securities may be resumed. The Company may provide appropriate stop orders to enforce the provisions of this Section 2.5(a).
(b)    Compliance with Prospectus Delivery Requirements. The Investors covenant and agree that they shall comply with the prospectus delivery requirements of the Securities Act as applicable to them or an exemption therefrom in connection with sales of Registrable Securities pursuant to any Registration Statement filed by the Company pursuant to this Agreement.
(c)    Notification of Sale of Registrable Securities. The Investors covenant and agree that they shall notify the Company following the sale of Registrable Securities to a third party as promptly as reasonably practicable, and in any event within five (5) business days, following the sale of such Registrable Securities.
2.6    Indemnification.
(a)    The Company agrees to indemnify and hold harmless (i) each Investor and any underwriter (as determined under the Securities Act) for such Investor, (ii) each person, if any, who controls (within the meaning of Section 15 of the Securities Act or Section 20(a) of the Exchange Act) any such person described in clause (i) (any of the persons referred to in this clause (ii) being referred to as a “Controlling Person”), and (iii) the respective officers, directors, partners, representatives and agents of such persons or any Controlling Person (any person referred to in clause (i), (ii) or (iii) may be referred to as an “Investor Indemnitee”), to the fullest extent permitted by law, from and against all claims, losses, damages, or liabilities (or actions or suits in respect thereof) (each, a “Liability” and collectively, the “Liabilities”), including any legal and any other expenses reasonably incurred in connection with investigating or defending any such Liability, to the extent Liability or Liabilities arise out of or are based upon (i) any untrue statement (or alleged untrue statement) of a material fact contained in any prospectus or other document (including any related Registration Statement) used to sell any Registrable Securities, or (ii) any omission (or alleged omission) to state therein a material fact required to be stated therein or necessary to make the statements therein not misleading, or (iii) any violation or alleged violation by the Company of the Securities Act, the Exchange Act, any state securities law, or any rule or regulation promulgated under the Securities Act, the Exchange Act or any state securities law applicable to the Company and relating to a Registration Statement used to sell any Registrable Securities; provided, however, that (A) the Company shall not be liable in any such case to the extent that such Liabilities arise out of or are based upon any untrue statement or omission or alleged untrue statement or alleged omission made in reliance upon and in conforming with information relating to any Investor Indemnitee furnished to the Company or any underwriter in writing by or on behalf of such Investor Indemnitee expressly for use therein , (B) in the case of a Suspension Event for which a Suspension Notice is delivered in accordance with Section 2.4(e) and Section 3.3, the Company shall not be liable for any Liabilities resulting from a sale of Registrable Securities by any Investor occurring after the receipt by such Investor of the Suspension Notice and prior to the delivery by the Company of an End of Suspension Notice (or, if earlier, the time that the suspension period is required to end pursuant to Section 2.4(e)) and (C) the Company shall not be liable for any amounts paid in settlement of any

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Liabilities if settlement is effected without the consent of the Company (which consent shall not be unreasonably withheld). The Company shall notify the Investors promptly of the institution, threat or assertion of any claim, action, suit or proceeding (including any governmental investigation) (a “Proceeding”), or litigation of which is shall have become aware in connection with the matters address by this Agreement which involves the Company or an Investor Indemnitee.
(b)    Each Investor, severally and not jointly, agrees to indemnify and hold harmless (i) the Company, (ii) each Controlling Person of the Company, and (iii) the respective officers, directors, employees, representatives and agents of the Company or any Controlling Person (any person referred to in clause (i), (ii) or (iii) may be referred to as a “Company Indemnitee”), to the fullest extent permitted by law, from and against all Liabilities, including any legal and any other expenses reasonably incurred in connection with investigating or defending any such Liability, to the extent Liability or Liabilities arise out of or are based upon (i) any untrue statement (or alleged untrue statement) of a material fact contained in any prospectus or other document (including any related Registration Statement) used to sell any Registrable Securities provided by the Investors pursuant to Section 2.7, or (ii) any omission (or alleged omission) to state therein a material fact required to be stated therein or necessary to make the statements made pursuant to Section 2.7 not misleading, or (iii) any violation or alleged violation by such Investor of the Securities Act, the Exchange Act, any state securities law, or any rule or regulation promulgated under the Securities Act, the Exchange Act or any state securities law applicable to such Investor and relating to a Registration Statement used to sell any Registrable Securities; provided, however, that (A) such Investor shall not be liable in any such case to the extent that the Company is obligated to indemnify any Investor Indemnitee for such Liabilities pursuant to Section 2.6(a) , and (B) the Investors shall not be liable for any amounts paid in settlement of any Liabilities if settlement is effected without the consent of the Investors (which consent shall not be unreasonably withheld); and provided, further, that, absent gross negligence or willful misconduct, such Investor’s liability under this Section 2.6(b) (when combined with any amounts such Investor is liable for under Section 2.6(d)) shall not exceed such Investor’s net proceeds from the offering of securities made in connection with such registration. The Investors shall notify the Company promptly of the institution, threat or assertion of any Proceeding or litigation of which is shall have become aware in connection with the matters address by this Agreement which involves the Investors or a Company Indemnitee.
(c)    If any Proceeding or demand shall be brought or asserted against any Investor Indemnitee or any Company Indemnitee (the “Indemnified Party”), such Indemnified Party shall promptly notify the person against whom such indemnity may be sought (the “Indemnifying Party”) in writing of the commencement thereof and general summarize such Proceeding (but failure to so notify an Indemnifying Party shall not relieve it from any liability which it may have under this Section 2.6, except to the extent the Indemnifying Party is materially prejudiced by the failure to give notice), and the Indemnifying Party, upon request of the Indemnified Party(ies), shall retain a single counsel (and a single local counsel) reasonably satisfactory to the Indemnified Party(ies) to represent the Indemnified Party(ies) and any others the Indemnifying Party may reasonably designate in such Proceeding and shall pay the reasonable fees and expenses actually incurred by such counsel related to such Proceeding.

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Notwithstanding the foregoing, in any such Proceeding, any Indemnified Party shall have the right to retain its own counsel, but the fees and expenses of such counsel shall be at the expense of such Indemnified Party, unless (i) the Indemnifying Party and the Indemnified Party shall have mutually agreed in writing to the contrary, (ii) the Indemnifying Party failed within a reasonable time after notice of commencement of the Proceeding to assume the defense and employ counsel reasonably satisfactory to the Indemnified Party, or (iii) the named parties to any such Proceeding (including any impleaded parties) include both such Indemnified Party and Indemnifying Party, or any affiliate of the Indemnifying Party, and such Indemnified Party shall have been reasonably advised by counsel that, either (x) there may be one or more legal defenses available to it which are different from or additional to those available to the Indemnifying Party or such affiliate of the Indemnifying Party or (y) a conflict may exist between such Indemnified Party and the Indemnifying Party or such affiliate of the Indemnifying Party (in which case the Indemnifying Party shall not have the right to assume nor direct the defense of such Proceeding on behalf of such Indemnified Party; it being understood, however, that the Indemnifying Party shall not, in connection with any one such Proceeding or separate but substantially similar or related Proceedings in the same jurisdiction arising out of the same general allegations or circumstances, be liable for the fees and expenses of more than one separate firm of attorneys (in addition to any local counsel) for all such Indemnified Parties, which firm shall be designated in writing by those Indemnified Parties who sold a majority of the Registrable Securities sold by all such Indemnified Parties and any such separate firm for the Company, the directors, the officers and such Controlling Persons of the Company as shall be designated in writing by the Company).
(d)    If the indemnification provided for in paragraphs (a) and (b) of this Section 2.6 is for any reason held to be unavailable to an Indemnified Party in respect of any Liabilities referred to therein (other than by reason of the exceptions provided therein) or is insufficient to hold harmless a party indemnified thereunder, then each Indemnifying Party under such paragraphs, in lieu of indemnifying such Indemnified Party thereunder, shall contribute to the amount paid or payable by such Indemnified Party as a result of such Liabilities (i) in such proportion as is appropriate to reflect the relative benefits of the Indemnified Party on the one hand and the Indemnifying Party(ies) on the other in connection with the statements or omissions that resulted in such Liabilities, or (ii) if the allocation provided by clause (i) above is not permitted by applicable law, in such proportion as is appropriate to reflect not only the relative benefits referred to in clause (i) above but also the relative fault of the Indemnifying Party(ies) and the Indemnified Party, as well as any other relevant equitable considerations. The relative fault of the Company on the one hand and any Investor Indemnitee on the other shall be determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information supplied by the Company or by such Investor Indemnitee and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission.
(e)    The indemnity and contribution agreements contained in this Section 2.6 will be in addition to any liability which the Indemnifying Parties may otherwise have to the Indemnified Parties referred to above. The Investor Indemnitees’ obligations to contribute

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pursuant to this Section 2.6 are several in proportion to the respective number of Registrable Securities sold by each of the Investor Indemnitees hereunder and not joint.
(f)    Notwithstanding the foregoing, to the extent that the provisions on indemnification and contribution contained in any underwriting agreement entered into in connection with an underwritten public offering as it relates to the liability as between the underwriters on the one hand, and the Company or an Investor on the other hand, are in conflict with the foregoing provisions, the provisions in the underwriting agreement shall control; provided, however, that the failure of the underwriting agreement to provide for or address a matter provided for or addressed by the foregoing provisions shall not be a conflict between the underwriting agreement and the foregoing provisions.
(g)    The obligations of the Company and the Investors under this Section 2.6 shall survive the completion of any offering of Registrable Securities in a Registration Statement under this Agreement or otherwise.
2.7    Information. The Investors shall furnish to the Company all information regarding the Investors and the distribution proposed by the Investors as the Company may reasonably request and as is required by applicable law in connection with any registration referred to in this Agreement. The Investors agree to, as promptly as practicable (and in any event prior to any sales made pursuant to a prospectus), furnish to the Company all information required to be disclosed in order to make the information previously furnished to the Company by the Investors not false or misleading. The Investors agree to keep confidential the receipt of any notice received pursuant to Section 2.4(e) and the contents thereof, except as required pursuant to applicable law. Notwithstanding anything to the contrary herein, the Company shall be under no obligation to name the Investors in any Registration Statement if the Investors have not provided the information required by this Section 2.7 with respect to the Investors as a selling securityholder in such Registration Statement or any related prospectus.
2.8    Rule 144 Requirements. With a view to making available to the Investors the benefits of Rule 144 promulgated under the Securities Act and any other rule or regulation of the Commission that may at any time permit the Investors to sell Registrable Securities to the public without registration, the Company agrees to use its reasonable best efforts to:
(a)    make and keep public information available, as those terms are understood and defined in Rule 144 under the Securities Act at all times after the date hereof;
(b)    file with the Commission in a timely manner all reports and other documents required of the Company under the Securities Act and the Exchange Act;
(c)    prior to the filing of the Registration Statement or any amendment thereto (whether pre-effective or post-effective), and prior to the filing of any prospectus or prospectus supplement related thereto, to provide the Investors with copies of all of the pages thereof (if any) that reference the Investors; and

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(d)    furnish to any Investor, so long as the Investor owns any Registrable Securities, forthwith upon request (i) a written statement by the Company that it has complied with the reporting requirements of Rule 144, the Securities Act and the Exchange Act (at any time after it has become subject to such reporting requirements), and (ii) such other information as may be reasonably requested by an Investor in availing itself of any rule or regulation of the Commission which permits an Investor to sell any such securities without registration.
2.9    Termination of Status as Registrable Securities. The Registrable Securities shall cease to be Registrable Securities upon the earliest to occur of the following events: (i) such Registrable Securities have been sold pursuant to an effective Registration Statement; (ii) such Registrable Securities have been sold by the Investors pursuant to Rule 144 (or other similar rule), provided, further, that each Registrable Security shall cease to be deemed a Registrable Security for so long as such Registrable Security may be resold by the Investors without limitations as to volume or manner of sale pursuant to Rule 144; (iii) such Registrable Securities have been sold to the Company, or (iv) ten (10) years after the date of this Agreement.
Section 3    
Miscellaneous
3.1    Amendment. No amendment, alteration or modification of any of the provisions of this Agreement shall be binding unless made in writing and signed by each of the Company and the Investors
3.2    Injunctive Relief. It is hereby agreed and acknowledged that it shall be impossible to measure in money the damages that would be suffered if the parties fail to comply with any of the obligations herein imposed on them and that in the event of any such failure, an aggrieved Person shall be irreparably damaged and shall not have an adequate remedy at law. Any such Person shall, therefore, be entitled (in addition to any other remedy to which it may be entitled in law or in equity) to injunctive relief, including, without limitation, specific performance, to enforce such obligations, and if any action should be brought in equity to enforce any of the provisions of this Agreement, none of the parties hereto shall raise the defense that there is an adequate remedy at law.
3.3    Notices. All notices required or permitted under this Agreement must be in writing and sent to the address, facsimile number or email address identified below. Notices must be given: (a) by personal delivery, with receipt acknowledged; (b) by facsimile or by email followed by hard copy delivered by the methods under clause (c) or (d); (c) by prepaid certified or registered mail, return receipt requested; or (d) by prepaid reputable overnight delivery service. Notices shall be effective upon receipt. Either party may change its notice address by providing the other party written notice of such change. Notices shall be delivered as follows:
If to the Investors:
At such Investor’s address as set forth on Schedule A hereto
If to the Company:
Alexion Pharmaceuticals, Inc.
Attention: General Counsel

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352 Knotter Drive
Cheshire, MA 06410
Fax: (203) 271-8199
Email: moriartyj@alxn.com
with a copy to:
Wachtell, Lipton, Rosen & Katz
Attention: Mark Gordon
51 West 52nd Street
New York, NY 10019
Fax: (212) 403-2000
Email: mgordon@wlrk.com
3.4    Governing Law; Jurisdiction; Venue; Jury Trial.
(d)    This Agreement shall be governed by, and construed in accordance with, the law of the State of New York without giving effect to any choice or conflict of law provision or rule (whether of the State of New York or any other jurisdiction) that would cause the application of the laws of any jurisdiction other than the State of New York.
(e)    Each of the Company and the Investors irrevocably and unconditionally submits, for itself and its property, to the nonexclusive jurisdiction of the courts of the State of New York sitting in the Borough of Manhattan, New York and of the United States District Court of the Southern District of New York, and any appellate court from any thereof, in any action or proceeding arising out of or relating to this Agreement and the transactions contemplated herein, or for recognition or enforcement of any judgment, and each of the Company and the Investors irrevocably and unconditionally agrees that all claims in respect of any such action or proceeding may be heard and determined in such New York state court or, to the fullest extent permitted by applicable law, in such federal court. Each of the Company and the Investors hereto agrees that a final judgment in any such action or proceeding shall be conclusive and may be enforced in other jurisdictions by suit on the judgment or in any other manner provided by law.
(f)    Each of the Company and the Investors irrevocably and unconditionally waives, to the fullest extent permitted by applicable law, any objection that it may now or hereafter have to the laying of venue of any action or proceeding arising out of or relating to this Agreement and the transactions contemplated herein in any court referred to in Section 3.4(b) hereof. Each of the Company and the Investors hereby irrevocably waives, to the fullest extent permitted by applicable law, the defense of an inconvenient forum to the maintenance of such action or proceeding in any such court.
(g)    EACH OF THE COMPANY AND THE INVESTORS HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN ANY LEGAL PROCEEDING DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY (WHETHER BASED ON CONTRACT, TORT OR ANY OTHER THEORY). EACH OF THE COMPANY AND THE INVESTORS (A) CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF

-13-



ANY OTHER PERSON HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PERSON WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER AND (B) ACKNOWLEDGES THAT EACH OF THE COMPANY AND THE INVESTORS HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION.
3.5    Successors, Assigns and Transferees. Any and all rights, duties and obligations hereunder shall not be assigned, transferred, delegated or sublicensed by any party hereto without the prior written consent of the other party; provided, however, that the Investors shall be entitled to transfer Registrable Securities to one or more of their controlled affiliates and, solely in connection therewith, may assign their rights hereunder in respect of such transferred Registrable Securities, in each case, so long as such Investor is not relieved of any liability or obligations hereunder, without the prior consent of the Company. Any transfer or assignment made other than as provided in the first sentence of this Section 3.5 shall be null and void. Subject to the foregoing and except as otherwise provided herein, the provisions of this Agreement shall inure to the benefit of, and be binding upon, the successors, permitted assigns, heirs, executors and administrators of the parties hereto.
3.6    Entire Agreement. This Agreement, together with any exhibits hereto, constitute the entire agreement between the parties relating to the subject matter hereof and all previous agreements or arrangements between the parties, written or oral, relating to the subject matter hereof are superseded.
3.7    Waiver. No failure on the part of either party hereto to exercise any power, right, privilege or remedy under this Agreement, and no delay on the part of either party hereto in exercising any power, right, privilege or remedy under this Agreement, shall operate as a waiver thereof; and no single or partial exercise of any such power, right, privilege or remedy shall preclude any other or further exercise thereof or of any other power, right, privilege or remedy.
3.8    Severability. If any part of this Agreement is declared invalid or unenforceable by any court of competent jurisdiction, such declaration shall not affect the remainder of the Agreement and the invalidated provision shall be revised in a manner that shall render such provision valid while preserving the parties’ original intent to the maximum extent possible.
3.9    Titles and Subtitles. The titles and subtitles used in this Agreement are used for convenience only and are not to be considered in construing or interpreting this Agreement. All references in this Agreement to sections, paragraphs and exhibits shall, unless otherwise provided, refer to sections and paragraphs hereof and exhibits attached hereto.
3.10    Counterparts. This Agreement may be executed in any number of counterparts, each of which shall be enforceable against the parties that execute such counterparts (including by facsimile or other electronic means), and all of which together shall constitute one instrument.
3.11    Term and Termination. The Investors’ rights to demand the registration of the Registrable Securities under this Agreement shall terminate automatically once all Registrable

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Securities cease to be Registrable Securities pursuant to the terms of Section 2.9 of this Agreement.
[Remainder of Page Intentionally Left Blank; Signature Page Follows]

-15-




IN WITNESS WHEREOF, the parties hereto have executed this Registration Rights Agreement effective as of the day, month and year first above written.
ALEXION PHARMACEUTICAL, INC.
a Delaware Corporation
By:    /s/ Saqib Islam
Name:    Saqib Islam
Title:    Executive Vice President


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IN WITNESS WHEREOF, the parties hereto have executed this Registration Rights Agreement effective as of the day, month and year first above written.
667, L.P. ,
By: BAKER BROS. ADVISORS LP, management company and investment adviser to 667, L.P., pursuant to authority granted to it by Baker Biotech Capital, L.P., general partner to 667, L.P., and not as the general partner.
By: /s/ Scott Lessing
Scott Lessing
President

BAKER BROTHERS LIFE SCIENCES, L.P.
By: BAKER BROS. ADVISORS LP,
management company and investment adviser to Baker Brothers Life Sciences, L.P., pursuant to authority granted to it by Baker Brothers Life Sciences Capital, L.P., general partner to Baker Brothers Life Sciences, L.P., and not as the general partner.
By: /s/ Scott Lessing
Scott Lessing
President

[Signature Page to Registration Rights Agreement]





Schedule A
The Investors

Baker Bros. Investors:

667, L.P.
BAKER BROTHERS LIFE SCIENCES, L.P.

To the above Investors:
Baker Brothers Investments
667 Madison Avenue 21st Floor
New York, NY 10065
With a copy to:
Akin Gump Strauss Hauer & Feld LLP
Attn: Jeffrey Kochian
One Bryant Park
New York, NY 10036-6745
 





Exhibit 31.1
I, David Hallal, certify that:
1
I have reviewed this quarterly report on Form 10-Q of Alexion Pharmaceuticals, Inc.;
2
Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3
Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4
The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
(a)
Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
(b)
Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
(c)
Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
(d)
Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and
5
The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):
(a)
All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and
(b)
Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.
 
 
Dated:
July 31, 2015
 
/s/    DAVID HALLAL
 
 
 
Chief Executive Officer







Exhibit 31.2
I, Vikas Sinha, certify that:
1
I have reviewed this quarterly report on Form 10-Q of Alexion Pharmaceuticals, Inc.;
2
Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3
Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4
The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
(a)
Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
(b)
Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
(c)
Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
(d)
Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and
5
The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):
(a)
All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and
(b)
Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.
 
Dated:
July 31, 2015
 
/s/     VIKAS SINHA        
 
 
 
Executive Vice President and Chief Financial Officer








Exhibit 32.1
CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the quarterly report on Form 10-Q of Alexion Pharmaceuticals, Inc. (the “Company”) for the fiscal quarter ended June 30, 2015 as filed with the Securities and Exchange Commission (the “Report”), I, David Hallal, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:
(1)
the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)
the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
 
Dated:
July 31, 2015
 
/s/     DAVID HALLAL
 
 
 
Chief Executive Officer

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.






Exhibit 32.2
CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the quarterly report on Form 10-Q of Alexion Pharmaceuticals, Inc. (the “Company”) for the fiscal quarter ended June 30, 2015 as filed with the Securities and Exchange Commission (the “Report”), I, Vikas Sinha, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:
(1)
the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)
the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
 
 
Dated:
July 31, 2015
 
/s/    VIKAS SINHA        
 
 
 
Executive Vice President and Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.


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