investors

HOUSTON, April 17, 2007 (PRIME NEWSWIRE) -- Crown Castle International Corp. (NYSE:CCI) today announced plans to release its first quarter 2007 results on Wednesday, May 2, 2007 after the market closes. In conjunction with the release, Crown Castle has scheduled a conference call for Thursday, May 3, 2007 at 10:30 a.m. eastern time. The conference call may be accessed by dialing 303-205-0055 and asking for the Crown Castle call at least 10 minutes prior to the start time or live over the Internet by logging on to the web at www.crowncastle.com.

A telephonic replay of the conference call will be available from 12:30 p.m. eastern time on Thursday, May 3, 2007 through 11:59 p.m. eastern time on Thursday, May 10, 2007 and may be accessed by dialing 303-590-3000 using passcode 11088623#. An audio archive will also be available on the company's website at www.crowncastle.com shortly after the call and will be accessible for approximately 90 days.

Crown Castle 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 U.S. markets and to substantially all of the Australian population. Crown Castle owns, operates and manages over 22,000 and over 1,300 wireless communication sites in the U.S. and Australia, respectively. For more information on Crown Castle, please visit http://www.crowncastle.com.

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

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