CCI Crown Castle Inc

Crown Castle International Corp. (NYSE:CCI) ("Crown Castle") announced today that it is commencing a public offering of 3.400% Senior Notes due 2021 and Senior Notes due 2026, in each case subject to market and other conditions.  The 3.400% Senior Notes will be issued as additional notes under the same indenture as Crown Castle’s 3.400% Senior Notes due 2021 that were originally issued on February 8, 2016 and, as such, will form a single series with, have the same terms as, and trade interchangeably with, such previously issued notes.  Crown Castle’s offering of Senior Notes due 2026 will be a new issuance.  Crown Castle expects to use net proceeds from the offering, together with cash on hand, to repay in full the Senior Secured Tower Revenue Notes, Series 2010-2, Class C-2017 and Series 2010-5, Class C-2017, each issued by certain of its subsidiaries.

Barclays, Credit Agricole CIB, Morgan Stanley, SunTrust Robinson Humphrey and TD Securities are the joint book-running managers of the offering.

The offering is being made pursuant to an effective shelf registration statement filed with the Securities and Exchange Commission ("SEC").  The offering will be made only by means of a prospectus supplement and the accompanying base prospectus, copies of which may be obtained by contacting any joint book-running manager using the information provided below.  An electronic copy of the preliminary prospectus supplement, together with the accompanying prospectus, is also available on the SEC's website, www.sec.gov.

This press release shall not constitute an offer to sell or a solicitation of an offer to buy the securities described herein, nor shall there be any sale of these securities in any state or other jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

CAUTIONARY LANGUAGE REGARDING FORWARD-LOOKING STATEMENTS

This press release contains forward-looking statements that are based on Crown Castle management's current expectations.  Such statements include plans, projections and estimates regarding the proposed offering, including the use of proceeds therefrom.  Such forward-looking statements are subject to certain risks, uncertainties and assumptions, including prevailing market conditions and other factors.  Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those expected.  More information about potential risk factors that could affect Crown Castle and its results is included in Crown Castle's filings with the Securities and Exchange Commission.  The term "including," and any variation thereof, means "including, without limitation."

ABOUT CROWN CASTLE

Crown Castle provides wireless carriers with the infrastructure they need to keep people connected and businesses running.  With approximately 40,000 towers and 16,500 miles of fiber supporting small cells, Crown Castle is the nation's largest provider of shared wireless infrastructure with a significant presence in the top 100 US markets.

JOINT BOOK-RUNNING MANAGERS CONTACT INFORMATION

Barclays Capital Inc., 1155 Long Island Avenue, Edgewood, NY 11717 Attn: Broadridge Financial Solutions Toll-free: (888) 603-5847 E-mail: barclaysprospectus@broadridge.com			Credit Agricole Securities (USA) Inc. 1301 Avenue of the Americas New York, NY 10019 Attn: Fixed Income Syndicate Toll-free: 866-807-6030
Morgan Stanley & Co. LLC 180 Varick Street New York, New York 10014 Attn: Prospectus Department Toll-free: (866) 718-1649			SunTrust Robinson Humphrey, Inc. 3333 Peachtree Road NE Atlanta, GA 30326 Attn: Prospectus Department Toll-free: (800) 685-4786
TD Securities (USA) LLC 31 W. 52nd Street, 2nd Floor New York, NY 10019 Attn: Debt Capital Markets Toll-free: (855) 495-9846

Contacts:		Jay Brown, CFO
		Son Nguyen, VP - Corporate Finance
		Crown Castle International Corp.
		713-570-3050