UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 11-K
(Mark One)
R
ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2014

OR

£
TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from ………………to …………………

Commission File Number 1-3473

A. Full title of the plan and the address of the plan, if different from that of the issuer named below:
Tesoro Corporation Thrift Plan
Tesoro Corporation Retail Savings Plan

B. Name of issuer of the securities held pursuant to the plan and the address of its principle executive office:
Tesoro Corporation

19100 Ridgewood Pkwy
San Antonio, Texas 78259




 





TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN

TABLE OF CONTENTS
 
 
 
 
Page
 
 
 
 
 
Reports of Independent Registered Public Accounting Firms
 
 
 
 
 
Statements of Net Assets Available for Benefits as of December 31, 2014 and 2013
 
 
 
Statements of Changes in Net Assets Available for Benefits for the Year Ended December 31, 2014
 
 
 
Notes to Financial Statements
 
 
 
 
 
 
Schedule H, Line 4i - Schedule of Assets (Held at End of Year)
 
 
 
 
 
Signature
 
 
 
 
 
Exhibit Index



2


REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


Employee Benefits Committee of
Tesoro Corporation Thrift Plan and
Tesoro Corporation Retail Savings Plan


We have audited the accompanying statements of net assets available for benefits of Tesoro Corporation Thrift Plan and Tesoro Corporation Retail Savings Plan (collectively referred to as the Plans), as of December 31, 2014, and each Plan’s related statement of changes in net assets available for benefits for the year then ended. These financial statements are the responsibility of the Plans’ management. Our responsibility is to express an opinion on these financial statements based on our audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatement. We were not engaged to perform an audit of the Plans’ internal control over financial reporting. Our audits included consideration of internal control over financial reporting as a basis for designing audit procedures that are appropriate in the circumstances, but not for the purpose of expressing an opinion on the effectiveness of the Plans’ internal control over financial reporting. Accordingly, we express no such opinion. An audit also includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in all material respects, the net assets available for benefits of Tesoro Corporation Thrift Plan and Tesoro Corporation Retail Savings Plan, at December 31, 2014, and the changes in their net assets available for benefits for the year then ended, in conformity with U.S. generally accepted accounting principles.

The accompanying supplemental schedules of assets (held at end of year) as of December 31, 2014, has been subjected to audit procedures performed in conjunction with the audit of Tesoro Corporation Thrift Plan and Tesoro Corporation Retail Savings Plan financial statements. The information in the supplemental schedules is the responsibility of the Plans’ management. Our audit procedures included determining whether the information reconciles to the financial statements or the underlying accounting and other records, as applicable, and performing procedures to test the completeness and accuracy of the information presented in the supplemental schedules. In forming our opinion on the information, we evaluated whether such information, including its form and content, is presented in conformity with the Department of Labor’s Rules and Regulations for Reporting and Disclosure under the Employee Retirement Income Security Act of 1974. In our opinion, the information is fairly stated, in all material respects, in relation to the financial statements as a whole.


/s/ ERNST & YOUNG LLP

San Antonio, Texas
June 24, 2015



3



REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


Employee Benefits Committee of
Tesoro Corporation Thrift Plan and
Tesoro Corporation Retail Savings Plan


We have audited the accompanying statements of net assets available for benefits of Tesoro Corporation Thrift Plan and Tesoro Corporation Retail Savings Plan (collectively referred to as the Plans), as of December 31, 2013. The Plans’ management is responsible for these financial statements. Our responsibility is to express an opinion on these financial statements based on our audits.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. The company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. Our audit included consideration of internal control over financial reporting as a basis for designing audit procedures that are appropriate in the circumstances, but not for the purpose of expressing an opinion on the effectiveness of the company’s internal control over financial reporting. Accordingly, we express no such opinion. An audit also includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audit provides a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in all material respects, the net assets available for benefits of Tesoro Corporation Thrift Plan and Tesoro Corporation Retail Savings Plan as of December 31, 2013 in conformity with accounting principles generally accepted in the United States of America.


/s/ WEAVER AND TIDWELL, L.L.P.

San Antonio, Texas
June 11, 2014




4


TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS
AS OF DECEMBER 31, 2014

 
 
Thrift Plan
(Plan No. 002)
 
Retail Savings Plan
(Plan No. 005)
 
 
 
 
 
ASSETS
 
 
 
Investment in the Tesoro Corporation Savings Plan Master Trust
$
987,518,606

 
$
4,083,936

Receivables:
 
 
 
Employer contributions
12,739,872

 
1,113

Notes receivable from participants
26,679,235

 
193,083

Total Receivables
39,419,107

 
194,196

 
 
 
 
TOTAL ASSETS
1,026,937,713

 
4,278,132

 
 
 
 
 
LIABILITIES
 
 
 
Excess contributions payable
(11,499
)
 

 
 
 
 
 
NET ASSETS AVAILABLE FOR BENEFITS AT FAIR VALUE
1,026,926,214

 
4,278,132

 
 
 
 
 
Adjustment from fair value to contract value for fully benefit-responsive investment contracts
(792,025
)
 
(1,401
)
 
 
 
 
 
NET ASSETS AVAILABLE FOR BENEFITS
$
1,026,134,189

 
$
4,276,731


See the accompanying notes to the financial statements.



5


TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS
AS OF DECEMBER 31, 2013

 
 
Thrift Plan
(Plan No. 002)
 
Retail Savings Plan
(Plan No. 005)
 
 
 
 
 
ASSETS
 
 
 
Investment in the Tesoro Corporation Savings Plan Master Trust
$
899,541,102

 
$
4,844,977

Receivables:
 
 
 
Employer contributions
4,327,929

 
501,496

Notes receivable from participants
24,107,214

 
413,001

Total Receivables
28,435,143

 
914,497

 
 
 
 
TOTAL ASSETS
927,976,245

 
5,759,474

 
 
 
 
 
LIABILITIES
 
 
 
Excess contributions payable
(303,966
)
 

 
 
 
 
 
NET ASSETS AVAILABLE FOR BENEFITS AT FAIR VALUE
927,672,279

 
5,759,474

 
 
 
 
 
Adjustment from fair value to contract value for fully benefit-responsive investment contracts
(675,952
)
 
(1,705
)
 
 
 
 
 
NET ASSETS AVAILABLE FOR BENEFITS
$
926,996,327

 
$
5,757,769

 
 
 
 
 

See the accompanying notes to the financial statements.



6


TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS
FOR THE YEAR ENDED DECEMBER 31, 2014
 
 
 
 
Thrift Plan
(Plan No. 002)
 
Retail Savings Plan
(Plan No. 005)
ADDITIONS
 
 
 
Net income from investments in the Tesoro Corporation Savings Plan Master Trust
$
96,311,484

 
$
490,850

 
 
 
 
 
Interest income on notes receivable from participants
1,071,205

 
14,843

 
 
 
 
 
 
Contributions:
 
 
 
 
Employer
42,272,148

 
91,352

 
Participants
69,346,204

 
231,781

 
 
Total contributions
111,618,352

 
323,133

 
 
 
 
 
 
 
TOTAL ADDITIONS
209,001,041

 
828,826

 
 
 
 
 
 
DEDUCTIONS
 
 
 
Withdrawals and terminations
108,610,786

 
2,296,673

Administrative expenses
1,252,393

 
13,191

 
 
 
 
 
 
 
TOTAL DEDUCTIONS
109,863,179

 
2,309,864

 
 
 
 
 
 
NET INCREASE (DECREASE) IN NET ASSETS AVAILABLE FOR BENEFITS
99,137,862

 
(1,481,038
)
 
 
 
 
 
 
NET ASSETS AVAILABLE FOR BENEFITS:
 
 
 
Beginning of year
926,996,327

 
5,757,769

 
 
 
 
 
 
End of year
$
1,026,134,189

 
$
4,276,731


See the accompanying notes to the financial statements.



7

TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
NOTES TO THE FINANCIAL STATEMENTS

NOTE 1 - DESCRIPTION OF THE PLANS

The accompanying financial statements comprise the defined contribution plans of Tesoro Corporation (“Tesoro”, or the “Company”) that participate in the Tesoro Corporation Savings Plan Master Trust (the “Master Trust”). The following description of the Tesoro Corporation Thrift Plan and the Tesoro Corporation Retail Savings Plan (the “Plans”) provides only general information. Participants should refer to the applicable formal plan documents for more complete information. The Plans are subject to, and comply with, the provisions of the Employee Retirement Income Security Act of 1974, as amended (“ERISA”).

The purpose of the Plans is to encourage Company employees to save and invest a portion of their eligible compensation, as defined, to have an additional source of income upon their retirement or disability, or for their family in the event of death. Benefits provided by the Plans are in addition to benefits that participants are entitled to receive under any other programs of the Company and under the Federal Social Security Act. The investments in the Master Trust are held by Fidelity Management Trust Company (“Fidelity” or the “Trustee”). Fidelity is responsible for holding, investing and accounting for the assets of the Plans and maintaining separate accounts for all participants of the Plans. The Plans are administered by the Employee Benefits Committee, consisting of individuals appointed by the Board of Directors of the Company.

Tesoro Corporation Thrift Plan

The Tesoro Corporation Thrift Plan (“Thrift Plan”), originally adopted as of April 1, 1979, is a voluntary defined contribution plan open to certain non-union employees of Tesoro. Employees whose positions are covered by a collective bargaining agreement may participate if the Thrift Plan is included in the agreement.

Participant Contributions - Contributions are made to the Thrift Plan by the Company on behalf of each eligible employee based upon their elected compensation deferral through payroll deductions. Thrift Plan participants may elect a Roth 401(k) contribution option, allowing participants to make contributions on an after-tax basis. Under the Roth 401(k) option, accumulated investment earnings on contributions are tax free to the participant on qualified distributions.

Participants can contribute up to 50% of eligible pay on a pre-tax, Roth, or after-tax basis, or any combination not to exceed 50% of their eligible pay. The total combined pre-tax and Roth contribution amounts cannot exceed the annual Internal Revenue Service (“IRS”) dollar limit ($17,500 in 2014). Employees age 50 and over may contribute additional pre-tax and/or Roth catch-up contributions ($5,500 in 2014) to the Thrift Plan. Certain highly compensated employees may be subject to more restrictive maximum deferrals, including no after-tax contributions. The Thrift Plan is required to return contributions received during the year in excess of the IRS limits. Refunds of employee contributions in excess of IRS or the Plan limits totaled $11,499 and $303,966 for the years ended December 31, 2014 and 2013, respectively. These refunds were distributed subsequent to December 31, and are recorded as a liability on the Statements of Net Assets Available for Benefits.

Employer Contributions - The Thrift Plan allows for a Company match on the first 6% of base pay, for those contributing on either a pre-tax and/or Roth basis to the Thrift Plan, including “catch-up contributions.” Regular after-tax contributions, contributions on bonus pay and contributions on unscheduled overtime pay are not matched by the Company. Matching contributions  made  to the Plan from participants who have more than a year of service are designated safe-harbor contributions. The Company’s matching contributions are invested in one or more of the investment options, or the Tesoro Corporation Common Stock Fund (the “Tesoro Stock Fund”), at the option of the participant. Employees may also use their own contributions to invest in the Tesoro Stock Fund.



8

TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
NOTES TO THE FINANCIAL STATEMENTS

Effective January 1, 2013, the Company began a profit-sharing contribution to the Thrift Plan. This discretionary contribution, calculated as a percentage of employee’s base pay based on a pre-determined target for the calendar year, can range from 0% to 4% based on actual performance. Contributions will normally be made following the performance year. All employees eligible for the Thrift Plan who are employed on December 31st of the year the results are achieved are qualified to receive this contribution, even if they are not contributing to the Thrift Plan. If a participant does not make a deferral election, the default contribution will be to the participant’s age appropriate lifecycle fund. The Company approved a profit-sharing contribution in the amount of 2.5% and 1% of base pay for 2014 and 2013, respectively. The 2014 and 2013 discretionary profit-sharing contributions to the Thrift Plan of $12,739,872 and $4,327,929, respectively, were contributed by the Company in 2015 and 2014, respectively, and are reflected as an employer contribution receivable on the Statements of Net Assets Available for Benefits.

Vesting - Employees are fully vested at all times in their participant, safe-harbor matching, and Company non-elective contributions. Company matching contributions and any related earnings are 100% vested after one year of service. Upon voluntary termination of employment prior to normal retirement for reasons other than disability or death, an employee will be entitled to the total of his or her participant contributions to the Thrift Plan and the vested portion of the Company contributions made to the employee’s account. Generally, vesting service begins with the employment date and ends upon termination of service with the Company.

Forfeitures - Upon termination of service, a participant’s nonvested portion of the Company’s matching contribution may be used to reduce future employer contributions or to pay reasonable administrative expenses. At December 31, 2014 and 2013, the forfeited nonvested account balance was $74,162 and $87,278, respectively. The administrative expenses paid through the forfeited nonvested account were $145,489 during the year ended December 31, 2014.

Revenue Sharing - Under the Thrift Plan, certain funds offer revenue sharing. During the year ended December 31, 2014, revenue sharing credits in the amounts of $519,678 were used to pay administrative expenses of the Thrift Plan.

Tesoro Corporation Retail Savings Plan

The Tesoro Corporation Retail Savings Plan (“Retail Savings Plan”), adopted as of January 1, 2001, is a voluntary defined contribution plan open to all retail store employees of Tesoro Refining & Marketing Company LLC, Tesoro West Coast Company, LLC, Tesoro Hawaii, LLC and Tesoro Northstore Company through the assistant manager level who have completed one year of service and have worked at least 1,000 hours during their first year of service or any calendar year thereafter. Tesoro Hawaii, LLC employees participated in the plan until Tesoro Hawaii, LLC was sold on September 25, 2013. With the conversion of Tesoro’s retail business to multi-site operator (“MSO”) stations completed in December 2014, the majority of retail store employees were terminated prior to December 31, 2014. All retail store employees have been terminated as of May 2015, and all participants in the Retail Savings Plan are 100% vested in their account balances.

Participant Contributions - Eligible employees who choose to participate can contribute up to 50% of their eligible pay on a pre-tax basis. Retail Savings Plan participants may also elect a Roth 401(k) contribution option, allowing them to make contributions on an after-tax basis. When combined, total pre-tax and Roth contributions cannot exceed 50% of a participant’s eligible pay. The maximum annual contributions to the Plan may not exceed the annual IRS dollar limit ($17,500 in 2014). Participants who have attained age 50 before the close of the Retail Savings Plan year will be eligible to make additional pre-tax and/or Roth catch-up contributions subject to the limitations of the IRS dollar limit ($5,500 in 2014).



9

TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
NOTES TO THE FINANCIAL STATEMENTS

Employer Contributions - The Retail Savings Plan provides a 50% match on the employee’s first 6% of pre-tax or Roth contributions for each pay period, including “catch-up contributions.” Contributions on bonus pay and certain types of overtime are not matched by the Company. Matching contributions  made  to the Plan from participants who have more than a year of service are designated safe-harbor contributions. The Company’s matching contributions are invested in one or more of the investment options, or the Tesoro Stock Fund, at the option of the participant. Employees may also use their own contributions to invest in the Tesoro Stock Fund.

Under the Retail Savings Plan, the Company contributes a 3% non-elective contribution (“NEC”) of the participant’s eligible earnings paid during the period. If a participant does not make a deferral election, the default contribution will be to the participant’s age appropriate lifecycle fund. This 3% NEC is made in one payment after the end of the plan year. The 2014 and 2013 NEC contributions of $1,113 and $501,496, respectively, are reflected as an Employer Contribution Receivable on the Statements of Net Assets Available for Benefits and were contributed by the Company in 2015 and 2014, respectively. The sizable variance is due to the large reduction of eligible employees at December 31, 2014.

Vesting - Employees are fully vested at all times in their participant and Company (NEC and matching) contributions as well as discretionary non-elective deferrals. Upon termination of employment, an employee will be entitled to the total of his or her participant contributions to the Retail Savings Plan and the Company contributions made to the employee’s account.

Revenue Sharing - Under the Retail Savings Plan, certain funds offer revenue sharing. During the year ended December 31, 2014, revenue sharing credits in the amount of $1,108 were used to pay administrative expenses of the Retail Savings Plan.

General

Participant Accounts - Individual accounts are maintained for each of the Plans’ participants. Each participant’s account is credited with the participant’s contribution, the Company’s contributions and the respective plan’s earnings and charged with withdrawals and an allocation of the respective plan’s losses. Allocations are based on participant earnings or account balances, as defined.

Investment Options - Participants may elect to invest in numerous investment options offered under their respective plan. Participants may change the percentage they contribute and the investment direction of their contributions. The investment menu is comprised of target date funds, actively managed funds, index funds and the Tesoro Stock Fund.

Loans - Generally, participants can borrow the lesser of $50,000 or one half of their vested account balance from the Plans with a minimum loan of $1,000. Such loans are secured by the participant’s vested account balance and bear interest at the prime rate plus 1%. Outstanding loans at December 31, 2014 incur interest at 4.25% for the Retail Savings Plan and at rates between 4.25% and 9.75% for the Thrift Plan. The Plans allow for new loans with original terms of six months to five years. Upon termination of employment, the loan repayment may continue at the election of the participant. If payments are in default, the unpaid loan balance will be treated as a distribution to the participant.

Payment of Benefits - Upon termination of employment, involuntary layoff, retirement, disability or death, the participant or the participant’s beneficiary (distributee) will be provided the opportunity to request a distribution from the Plans. The Thrift Plan permits at-will withdrawals of the after-tax employee contributions. Any hardship withdrawals from amounts constituting the before-tax employee contribution will result in a six-month suspension of further contributions.



10

TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
NOTES TO THE FINANCIAL STATEMENTS

Administrative Expenses - The Plans allow for the payment of administrative expenses by either the Plans or the Company. Forfeited nonvested accounts and revenue sharing credits are used to pay administrative fees.  Any additional fees are paid by the Company, except for those related to participant loans or withdrawals.

Plan Termination - The Company has the right under the Plans to discontinue its contributions at any time and terminate the Plans subject to the provisions set forth in ERISA. In the event that the Plans are terminated, participants would become 100% vested in their account.

NOTE 2 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Accounting - The financial statements of the Plans have been prepared using the accrual method of accounting in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”).

Use of Estimates - The preparation of financial statements in conformity with U.S. GAAP requires the Plans’ management to make estimates that affect the amounts reported in the financial statements and accompanying notes and supplemental schedules. Actual results could differ from those estimates.

Investment Valuation and Income Recognition - Investments held by the Master Trust are stated at fair value. Fair value is defined as the price that would be received to sell an asset, or paid to transfer a liability, in an orderly transaction between market participants at the measurement date (an exit price).

Investment contracts held by a defined contribution plan are required to be reported at fair value. However, contract value is the relevant measurement attribute for that portion of the net assets available for benefits of a defined contribution plan attributable to fully benefit-responsive investment contracts because contract value is the amount participants would receive if they were to initiate permitted transactions under the terms of the Plans. As required, the statements of net assets available for benefits present the fair value of the investment contracts, as well as the adjustment of the fully benefit-responsive investment contracts from fair value to contract value.

Purchases and sales of securities are recorded on a trade-date basis. Interest income is recorded on an accrual basis. Dividends are recorded on the ex-dividend date.

Payments of Benefits - As of December 31, 2014 and 2013, there were no participant initiated withdrawals from either plan that had not been distributed. Benefit payments are recorded when paid.

Notes Receivable from Participants - Notes receivable from participants represent participant loans that are recorded at their unpaid principal balance plus any accrued but unpaid interest. Interest income on notes receivable from participants is recorded when it is earned. Related fees are recorded as administrative expenses when incurred. No allowance for credit losses has been recorded as of December 31, 2014 or 2013. If a participant ceases to make loan repayments, and the plan administrator deems the participant loan to be a distribution, the participant loan balance is reduced, and a benefit payment is recorded.



11

TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
NOTES TO THE FINANCIAL STATEMENTS

New Accounting Pronouncements - The Financial Accounting Standards Board issued an Accounting Standards Update (“ASU”) in May 2015 (ASU No. 2015-07) which permits reporting entities, as a practical expedient, to measure the fair value of certain investments using the net asset value (“NAV”) per share of the investment. The guidance no longer requires certain investments measured at net asset value to be categorized within the fair value hierarchy. Instead, entities would be required to disclose the amount of such investments as a reconciling item between the balance sheet amounts and the amounts reported in the fair value hierarchy table. This ASU is effective for interim and annual periods beginning after December 15, 2015, and early adoption is permitted. The Plans have adopted this standard effective as of December 31, 2014 and applied the changes retrospectively to the prior periods presented. Outside of the fair value measurement disclosure, there is no impact to the Plans’ financial statements. See Note 4 for further discussion and disclosures related to fair value measurements.

NOTE 3 - INTEREST IN THE TESORO CORPORATION SAVINGS PLAN MASTER TRUST

The Plans’ assets are held in the Master Trust. The purpose of the Master Trust is the collective investment of assets of the participating Plans. Each participating Plans’ interest in the Master Trust is based on account balances of the participants and their elected investment fund options. The Master Trust assets are allocated among the participating plans by assigning to each plan those transactions (primarily contributions, benefit payments, and plan-specific expenses) that can be specifically identified, and by allocating investment income and administrative expenses to the individual plans on a daily basis based on each participant’s account balance within each investment fund option.

At December 31, 2014 and 2013, the percentage interests in the net assets of the Master Trust were as follows:
 
 
December 31,
Plan
 
2014
 
2013
Thrift Plan
 
99.59%
 
99.46%
Retail Savings Plan
 
0.41%
 
0.54%
 
 
100.00%
 
100.00%


12

TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
NOTES TO THE FINANCIAL STATEMENTS

The Plans’ percentage interest in each of the investment fund options within the Master Trust as of December 31, 2014 is disclosed below:
 
 
December 31, 2014
 
Thrift Plan
 
Retail Savings Plan
Investment Type / Fund Name
 
 
 
Common Stock
 
 
 
 
 
 
Tesoro Stock Fund
 
$
209,636,743

 
99.52
%
 
0.48
%
Mutual Funds
 
 
 
 
 
 
Bonds
 
 
 
 
 
 
Vanguard Total Bond Market Index Institutional
 
60,046,357

 
99.87
%
 
0.13
%
PIMCO Total Return Institutional
 
32,378,219

 
99.90
%
 
0.10
%
American Century Infl-Adj Bond Institutional
 
7,167,079

 
100.00
%
 
%
Equities
 
 
 
 
 
 
Spartan 500 Index Institutional
 
112,861,937

 
99.99
%
 
0.01
%
Fidelity Contrafund K
 
102,471,499

 
99.87
%
 
0.13
%
Fidelity Puritan K
 
71,020,389

 
99.87
%
 
0.13
%
Spartan Extended Market Index Advantage
 
50,418,841

 
100.00
%
 
%
Spartan International Index Institutional
 
47,999,508

 
100.00
%
 
%
Westwood SMidCap Institutional
 
37,297,047

 
100.00
%
 
%
William Blair SMid Cap Growth I
 
17,576,967

 
100.00
%
 
%
Fidelity Strategic Real Return Fund
 
1,006,294

 
100.00
%
 
%
Lifecycle Funds
 
 
 
 
 
 
Fidelity Freedom Index 2025
 
21,166,137

 
98.52
%
 
1.48
%
Fidelity Freedom Index 2020
 
20,221,552

 
96.84
%
 
3.16
%
Fidelity Freedom Index 2030
 
16,921,556

 
97.48
%
 
2.52
%
Fidelity Freedom Index 2035
 
16,074,861

 
98.32
%
 
1.68
%
Fidelity Freedom Index 2045
 
14,481,495

 
98.63
%
 
1.37
%
Fidelity Freedom Index 2050
 
12,847,714

 
97.74
%
 
2.26
%
Fidelity Freedom Index 2040
 
11,649,208

 
97.98
%
 
2.02
%
Fidelity Freedom Index 2015
 
9,212,233

 
98.25
%
 
1.75
%
Fidelity Freedom Index Income
 
1,484,370

 
99.16
%
 
0.84
%
Fidelity Freedom Index 2010
 
1,132,004

 
95.64
%
 
4.36
%
Fidelity Freedom Index 2005
 
213,612

 
87.02
%
 
12.98
%
Fidelity Freedom Indx 2055
 
90,648

 
99.90
%
 
0.10
%
Fidelity Freedom Indx 2060
 
43,050

 
100.00
%
 
%
Common/collective Trust Funds
 
 
 
 
 
 
Fidelity Managed Income Portfolio II
 
55,127,730

 
99.82
%
 
0.18
%
Artisan International Growth Trust Fund
 
35,648,695

 
99.97
%
 
0.03
%
Robeco Large Cap Value Equity Fund
 
25,406,797

 
99.98
%
 
0.02
%
 
 
 
 
 
 
 
Total net assets available for benefits for participating plans, at fair value
 
991,602,542

 
 
 
 
 
 
 
 
 
 
 
Adjustment from fair value to contract value for fully benefit-responsive investment contracts
 
(793,426
)
 
 
 
 
 
 
 
 
 
 
 
Total net assets available for benefits for participating plans
 
$
990,809,116

 
 
 
 



13

TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
NOTES TO THE FINANCIAL STATEMENTS

The Plans’ percentage interest in each of the investment fund options within the Master Trust as of December 31, 2013 is disclosed below:
 
 
December 31, 2013
 
Thrift Plan
 
Retail Savings Plan
Investment Type / Fund Name
 
 
 
Common Stock
 
 
 
 
 
 
Tesoro Stock Fund
 
$
205,776,696

 
99.48
%
 
0.52
%
Mutual Funds
 
 
 
 
 
 
Bonds
 
 
 
 
 
 
Vanguard Total Bond Market Index Institutional
 
45,162,715

 
99.83
%
 
0.17
%
PIMCO Total Return Institutional
 
34,067,064

 
99.92
%
 
0.08
%
American Century Infl-Adj Bond Institutional
 
5,245,659

 
100.00
%
 
%
Equities
 
 
 
 
 
 
Fidelity Contrafund K
 
100,442,538

 
99.84
%
 
0.16
%
Spartan 500 Index Institutional
 
92,985,312

 
99.99
%
 
0.01
%
Fidelity Puritan K
 
63,813,352

 
99.83
%
 
0.17
%
Spartan Extended Market Index Advantage
 
49,538,822

 
100.00
%
 
%
Spartan International Index Institutional
 
46,917,434

 
100.00
%
 
%
Westwood SMidCap Institutional
 
41,674,787

 
100.00
%
 
%
William Blair SMid Cap Growth I
 
16,572,866

 
99.99
%
 
0.01
%
Fidelity Strategic Real Return Fund
 
181,528

 
100.00
%
 
%
Lifecycle Funds
 
 
 
 
 
 
Fidelity Freedom Index 2020 W
 
16,794,594

 
95.31
%
 
4.69
%
Fidelity Freedom Index 2025 W
 
14,912,446

 
97.42
%
 
2.58
%
Fidelity Freedom Index 2030 W
 
12,716,461

 
96.11
%
 
3.89
%
Fidelity Freedom Index 2035 W
 
10,734,165

 
96.85
%
 
3.15
%
Fidelity Freedom Index 2045 W
 
10,543,454

 
97.77
%
 
2.23
%
Fidelity Freedom Index 2015 W
 
9,602,735

 
97.77
%
 
2.23
%
Fidelity Freedom Index 2040 W
 
8,715,330

 
96.50
%
 
3.50
%
Fidelity Freedom Index 2050 W
 
7,746,125

 
95.43
%
 
4.57
%
Fidelity Freedom Index 2010 W
 
1,223,319

 
94.91
%
 
5.09
%
Fidelity Freedom Index Income W
 
1,052,305

 
98.89
%
 
1.11
%
Fidelity Freedom Index 2005 W
 
229,808

 
86.71
%
 
13.29
%
Fidelity Freedom Index 2000 W
 
117,426

 
86.15
%
 
13.85
%
Common/collective Trust Funds
 
 
 
 
 
 
Fidelity Managed Income Portfolio II
 
48,141,410

 
99.75
%
 
0.25
%
Artisan International Growth Trust Fund
 
39,628,110

 
99.95
%
 
0.05
%
Robeco Large Cap Value Equity Fund
 
19,849,618

 
100.00
%
 
%
 
 
 
 
 
 
 
Total net assets available for benefits for participating plans, at fair value
 
904,386,079

 
 
 
 
 
 
 
 
 
 
 
Adjustment from fair value to contract value for fully benefit-responsive investment contracts
 
(677,657
)
 
 
 
 
 
 
 
 
 
 
 
Total net assets available for benefits for participating plans
 
$
903,708,422

 
 
 
 



14

TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
NOTES TO THE FINANCIAL STATEMENTS

Investment income of the Master Trust for the year ended December 31, 2014 is as follows:
 
 
December 31, 2014
Net appreciation in fair value of investments:
 
 
Tesoro Stock Fund
 
$
49,237,096

Mutual Funds
 
13,298,172

Common/collective Trust Funds
 
2,203,271

 
 
64,738,539

 
 
 
Interest and dividend income
 
32,063,795

 
 
 
Total Master Trust investment income
 
$
96,802,334


NOTE 4 - FAIR VALUE MEASUREMENTS

Financial assets and financial liabilities are classified into the following fair value hierarchy:

Level 1 - valued based on quoted prices in active markets for identical assets and liabilities;

Level 2 - valued based on quoted prices for similar assets and liabilities in active markets, and inputs other than quoted prices that are observable for the asset or liability; and

Level 3 - valued based on unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

The level in the fair value hierarchy within which the fair value measurement is classified is determined based on the level of the input that is significant to the fair value measure in its entirety.

Common stock is valued at the closing price reported on the active market on which the individual security is traded and are categorized as level 1. Shares of mutual funds are valued using quoted market prices from national securities exchanges, which represent shares held by the Master Trust at year-end and are valued as level 1 fair value assets. The Plans’ common/collective trust funds are measured at fair value, using NAV as a practical expedient. Tesoro has early adopted ASU No. 2015-07, as a result, the common/collective trust funds are not categorized in the fair value table below.

The Fidelity Managed Income Portfolio II is a common/collective trust fund that invests in fully benefit-responsive investment contracts. The fund may invest in fixed interest insurance investment contracts, money market funds, corporate and government bonds, mortgage-backed securities, bond funds and other fixed income securities. The fair value of the Fidelity Managed Income Portfolio II is calculated by the issuer of the fund using a discounted cash flow model, which considers (i) recent fee bids as determined by recognized dealers, (ii) discount rate and (iii) the duration of the underlying portfolio securities. This fund is recorded at fair value; however, since these contracts are fully benefit-responsive, an adjustment is reflected in the statements of net assets available for benefits to present this investment at contract value. Contract value is the relevant measurement attributable to fully benefit-responsive investment contracts because contract value is the amount participants would receive if they were to initiate permitted transactions under the terms of the Plans. The contract value represents contributions plus earnings, less participant withdrawals and administrative expenses.



15

TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
NOTES TO THE FINANCIAL STATEMENTS

The following tables present information about the Plans and related Master Trust’s assets measured at fair value on a recurring basis and indicate the fair value hierarchy of the inputs utilized to determine the fair values as of December 31, 2014 and 2013.
 
Assets at Fair Value as of December 31, 2014
 
Level 1
 
Level 2
 
Level 3
 
Total
Tesoro Stock Fund
$
209,636,743

 
$

 
$

 
$
209,636,743

Equity Funds:
 
 
 
 
 
 
 
Large Cap
286,353,825

 

 

 
286,353,825

Small/Mid Cap
106,299,149

 

 

 
106,299,149

International Equities
47,999,508

 

 

 
47,999,508

Lifecycle Funds
125,538,440

 

 

 
125,538,440

Bonds
99,591,655

 

 

 
99,591,655

Master Trust Assets Measured at Fair Value
$
875,419,320

 
$

 
$

 
$
875,419,320

Common/collective Trust Funds Measured at Net Asset Value(1)
 
 
 
 
 
 
116,183,222

Total Master Trust Assets
 
 
 
 
 
 
$
991,602,542


 
Assets at Fair Value as of December 31, 2013
 
Level 1
 
Level 2
 
Level 3
 
Total
Tesoro Stock Fund
$
205,776,696

 
$

 
$

 
$
205,776,696

Equity Funds:

 
 
 
 
 
 
Large Cap
257,241,202

 

 

 
257,241,202

Small/Mid Cap
107,968,002

 

 

 
107,968,002

International Equities
46,917,435

 

 

 
46,917,435

Lifecycle Funds
94,388,168

 

 

 
94,388,168

Bonds
84,475,438

 

 

 
84,475,438

Master Trust Assets Measured at Fair Value
$
796,766,941

 
$

 
$

 
$
796,766,941

Common/collective Trust Funds Measured at Net Asset Value(1)
 
 
 
 
 
 
107,619,138

Total Master Trust Assets
 
 
 
 
 
 
$
904,386,079

______________
(1)
This category consists of the Fidelity Managed Income Portfolio II. This common/collective trust fund is designed to deliver safety and stability by preserving principal and accumulating earnings. This fund invests in benefit-responsive investment contracts issued by insurance companies and other financial institutions, fixed income securities and money market funds. Under the terms of the benefit-responsive investment contracts, assets of the fund are invested in fixed income securities and shares of money market funds. Participant-directed redemptions have no restrictions; however, the Plans are required to provide a one year redemption notice to liquidate their entire share in the funds. The fair value of this fund has been estimated based on the fair value of the underlying investment contracts in the funds as reported by the issuer of the funds. As noted above, the fair value differs from the contract value.

This category also consists of the Artisan International Growth Trust Fund (“Trust Fund”), which is a collective investment trust. The investment objective of the Trust Fund is to seek long-term capital growth by investing mainly in publicly traded corporate equities (including common and preferred stocks, warrants and depositary receipts) of non-U.S. companies across a broad capitalization range. Participant-directed redemptions have no restrictions; however, the Trustee reserves the right to require five business days advance written notice from the Plans for withdrawal. The fair value of the Trust Fund has been estimated based on the fair value of the underlying investments in the Trust Fund as reported by the issuer of the Trust Fund. The Trust Fund’s investments consist of common stock and time deposits.



16

TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
NOTES TO THE FINANCIAL STATEMENTS

This category also consists of the Robeco Large Cap Value Equity Fund (Equity Fund), which is a collective investment trust. The Equity Funds investment objective is to outperform its benchmark index, the Russell 1000 Value Index. The Equity Fund invests primarily in equity securities of U.S. and non-U.S. issuers, including, without limitation, American Depository Receipts of non-U.S. issuers, that are denominated in U.S. dollars and trade in U.S. markets, including, without limitation, on U.S. exchanges or in the over-the-counter market. Participant-directed redemptions have no restrictions; however, the Trustee reserves the right to require five business days advance written notice from the Plans for withdrawal. The fair value of the Equity Fund has been estimated based on the fair value of the underlying investments in the Equity Fund as reported by the issuer of the Equity Fund. The Equity Funds investments consist of common stock and short-term investments.

NOTE 5 - EXEMPT PARTY-IN-INTEREST TRANSACTIONS

Certain investments of the Plans are shares of mutual funds managed by Fidelity, the Trustee, as defined by the Plans. Therefore, these transactions qualify as exempt party-in-interest transactions.

At December 31, 2014 and 2013, the Plans held shares of common stock of the Company in the Master Trust. The number and the cost basis of the Company's shares held by each of the Plans are shown below:
 
 
December 31,
 
 
2014
 
2013
Thrift Plan
 
 
 
 
Number of shares
 
2,768,117

 
3,438,635

Cost basis of shares
 
$
75,133,666

 
$
73,746,319

Retail Savings Plan
 
 
 
 
Number of shares
 
13,281

 
18,145

Cost basis of shares
 
$
360,485

 
$
389,143

NOTE 6 - FEDERAL INCOME TAX STATUS

The Plans have received determination letters from the IRS (dated as shown below) stating that the Plans are qualified under Section 401(a) of the Internal Revenue Code (the “Code”) and, therefore, the related trust is exempt from taxation.
Plan
 
Date
Thrift Plan
 
December 8, 2014
Retail Savings Plan
 
August 20, 2014

The Plans have been amended since the most recent determination letters. Once qualified, the Plans are required to operate in conformity with the Code to maintain their qualification. The Plans’ administrator believes the Plans are being operated in compliance with the applicable requirements of the Code and therefore believes the Plans, as amended, are qualified and the related trust is tax-exempt.

U.S. GAAP requires management to evaluate uncertain tax positions taken by the Plans. The financial statement effects of a tax position are recognized when the position is more likely than not, based on the technical merits, to be sustained upon examination by the IRS. Management has analyzed the tax positions taken by the Plans and has concluded that as of December 31, 2014 and 2013, there are no uncertain positions taken or expected to be taken. The Plans have recognized no interest or penalties related to uncertain tax positions. The Plans are subject to routine audits by taxing jurisdictions; however, there are currently no audits for any tax periods in progress. Management believes it is no longer subject to income tax examinations for years prior to 2011.



17

TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
NOTES TO THE FINANCIAL STATEMENTS

NOTE 7 - RECONCILIATION OF FINANCIAL STATEMENTS TO FORM 5500

The following is a reconciliation of the Plans’ net assets available for benefits reported in the financial statements to the Form 5500:
December 31, 2014
 
Thrift Plan
 
Retail Savings Plan
Net assets available for benefits reported in the financial statements
 
$
1,026,134,189

 
$
4,276,731

Plus adjustments from fair value to contract value for fully benefit-responsive investment contracts
 
792,025

 
1,401

Net assets available for plan benefits reported in the Form 5500
 
$
1,026,926,214

 
$
4,278,132


December 31, 2013
 
Thrift Plan
 
Retail Savings Plan
Net assets available for benefits reported in the financial statements
 
$
926,996,327

 
$
5,757,769

Plus adjustments from fair value to contract value for fully benefit-responsive investment contracts
 
675,952

 
1,705

Net assets available for plan benefits reported in the Form 5500
 
$
927,672,279

 
$
5,759,474


The following is a reconciliation of the Plans’ net change in net assets per the financial statements to the Form 5500:
Year Ended December 31, 2014
 
Thrift Plan
 
Retail Savings Plan
Net increase (decrease) in net assets available for benefits reported in the financial statements
 
$
99,137,862

 
$
(1,481,038
)
Change in adjustments from fair value to contract value for fully benefit-responsive investment contracts
 
116,073

 
(304
)
Total net income (loss) reported in the Form 5500
 
$
99,253,935

 
$
(1,481,342
)

The accompanying financial statements present fully benefit-responsive contracts at contract value. The Form 5500 requires fully benefit-responsive investment contracts to be reported at fair value. Therefore, the adjustment from fair value to contract value for fully benefit-responsive investment contracts represents a reconciling item.

NOTE 8 - RISKS AND UNCERTAINTIES

The Plans provide for investments in various securities through the Master Trust’s investment funds offered to participants, including but not limited to, various mutual funds and equity of the Company, among others. Investment securities, in general, are exposed to various risks such as interest rate, credit, liquidity and overall market volatility risk. Due to the level of risk associated with certain investment securities, it is reasonably possible that changes in the values of investment securities will occur in the near term and such changes could materially affect the amounts reported in the statements of net assets available for benefits and participant account balances.


18


TESORO CORPORATION THRIFT PLAN
TESORO CORPORATION RETAIL SAVINGS PLAN
SCHEDULE H, LINE 4i -SCHEDULE OF ASSETS (HELD AT END OF YEAR)
AS OF DECEMBER 31, 2014
EIN: 95-0862768
(a)
(b)
 
(c)
 
(d)
 
(e)
Identity of Issue,
Borrower, Lessor,
Similar Party
 
Description of Investment Including Maturity Date,
Rate of Interest, Collateral,
Par, Maturity Value
 
Cost
 
Current Value
Tesoro Corporation Thrift Plan (Plan No. 002)
 
 
 
 
 
 
*
Participant loans
 
Varying maturity dates with interest rates ranging from 4.25% to 9.75%
 
 
$
26,679,235

 
 
 
 
 
 
 
 
Tesoro Corporation Retail Savings Plan (Plan No. 005)
 
 
 
 
 
 
*
Participant loans
 
Varying maturity dates with an interest rate at 4.25%
 
 
$
193,083

 
 
 
 
 
 
 
 
*
Indicates party-in-interest
 
 
 
 
 

  


19



SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Tesoro Corporation Employee Benefits Committee has duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.
Date: June 24, 2015
 
 
 
 
 
 
 
TESORO CORPORATION THRIFT AND RETAIL SAVINGS PLANS
 
 
 
 
 
By:
/s/ CRAIG M. LATORRE
 
 
 
Craig M. LaTorre
 
 
 
Chairman of the Tesoro Corporation Employee Benefits Committee and Senior Vice President, Chief Human Resources Officer, Tesoro Corporation
 




20



EXHIBIT INDEX

Exhibit Number
 
Description of the Exhibit
 
 
23.1
 
Consent of Independent Registered Public Accounting Firm (Ernst & Young LLP) for the Tesoro Corporation Thrift Plan.
 
 
 
23.2
 
Consent of Independent Registered Public Accounting Firm (Ernst & Young LLP) for the Tesoro Corporation Retail Savings Plan.
 
 
 
23.3
 
Consent of Independent Registered Public Accounting Firm (Weaver And Tidwell, L.L.P.) for the Tesoro Corporation Thrift Plan.
 
 
 
23.4
 
Consent of Independent Registered Public Accounting Firm (Weaver And Tidwell, L.L.P.) for the Tesoro Corporation Retail Savings Plan.





21




Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-176132) pertaining to the Tesoro Corporation Thrift Plan of our report dated June 24, 2015, with respect to the financial statements and schedule of the Tesoro Corporation Thrift Plan included in this Annual Report Form 11-K for the Plan year ended December 31, 2014.

/s/ ERNST & YOUNG LLP

San Antonio, Texas                             
June 24, 2015







Exhibit 23.2

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-176132) pertaining to the Tesoro Corporation Retail Savings Plan of our report dated June 24, 2015, with respect to the financial statements and schedule of the Tesoro Corporation Retail Savings Plan included in this Annual Report Form 11-K for the Plan year ended December 31, 2014.

/s/ ERNST & YOUNG LLP

San Antonio, Texas                             
June 24, 2015








Exhibit 23.3

Consent of Independent Registered Public Accounting Firm

We hereby consent to the incorporation by reference in Registration Statement (Form S-8 No. 333-176132) pertaining to the Tesoro Corporation Thrift Plan of our report dated June 11, 2014, with respect to the financial statements of the Tesoro Corporation Thrift Plan included in this Annual Report Form 11-K for the Plan year ended December 31, 2014.

/s/ WEAVER AND TIDWELL, L.L.P.

San Antonio, Texas                             
June 24, 2015







Exhibit 23.4

Consent of Independent Registered Public Accounting Firm

We hereby consent to the incorporation by reference in Registration Statement (Form S-8 No. 333-176132) pertaining to the Tesoro Corporation Retail Savings Plan of our report dated June 11, 2014, with respect to the financial statements of the Tesoro Corporation Retail Savings Plan included in this Annual Report Form 11-K for the Plan year ended December 31, 2014.

/s/ WEAVER AND TIDWELL, L.L.P.

San Antonio, Texas                             
June 24, 2015


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