investors

HOUSTON, June 27, 2007 (PRIME NEWSWIRE) -- Crown Castle International Corp. (NYSE:CCI) today announced that certain of its stockholders are commencing a secondary offering of 36,392,081 of its common shares pursuant to a registration statement that Crown Castle previously filed with the Securities and Exchange Commission ("SEC"). The shares of common stock are being offered by funds managed by affiliates of Fortress Investment Group LLC, Greenhill Capital Partners, LLC and certain of its affiliated investment funds, and certain investment funds affiliated with Abrams Capital, LLC. Crown Castle will not receive any proceeds from the sale of its common shares by the selling stockholders.

This offering is being made only by means of a prospectus and related prospectus supplement. An effective registration statement is on file with the SEC and a copy of the preliminary prospectus supplement, together with the prospectus, will be available on the SEC's website, www.sec.gov. Morgan Stanley & Co. Incorporated will be sole book runner of the offering. Allen & Company LLC and Bank of America Securities LLC will serve as co-managers of the offering. The preliminary prospectus supplement and the accompanying prospectus may also be obtained by contacting Morgan Stanley & Co. Incorporated, Prospectus Department, 180 Varick Street, 2nd Floor, New York, NY 10014, 866-718-1649, or by e-mail at prospectus@morganstanley.com.

This press release does 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 jurisdiction.

Crown Castle International Corp. engineers, deploys, owns and operates technologically advanced shared wireless infrastructure, including extensive networks of towers. Crown Castle offers significant wireless communications coverage to 91 of the top 100 US markets and to substantially all of the Australian population. Crown Castle owns, operates and manages over 22,000 and over 1,400 wireless communication sites in the US and Australia, respectively. For more information on Crown Castle, please visit http://www.crowncastle.com. Cautionary Language Regarding Forward-Looking Statements

The Crown Castle International Corp. logo is available at http://www.primezone.com/newsroom/prs/?pkgid=3063

This press release contains various forward-looking statements and information that are based on management's belief, as well as assumptions made by and information currently available to management. Forward-looking information includes statements regarding the secondary offering, including the timing thereof. Furthermore, the closing of the offering is subject to several conditions to closing, which have not yet been satisfied. Although the management of Crown Castle believes that the expectations reflected in its forward-looking statements are reasonable, Crown Castle can give no assurance that those expectations will prove to have been correct. 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 the results of Crown Castle is included in Crown Castle's filings with the Securities and Exchange Commission.

CONTACT:  Crown Castle International Corp.
          Ben Moreland, CFO
          Jay Brown, Treasurer
          713-570-3000