investors

DECEMBER 20, 1999 - HOUSTON, TEXAS - Crown Castle International Corp. (the "Company") (NASDAQ:TWRS) announced today that it has successfully completed its solicitation of consents from the holders of its 10-5/8% Senior Discount Notes due 2007 and its 12-3/4% Senior Exchangeable Preferred Stock due 2010 to certain amendments to the instruments governing these securities.

The Company received on Friday the requisite consents to the proposed amendments described in the Supplement dated December 13, 1999 to the Consent Solicitation Statement dated November 23, 1999. As described in the Consent Solicitation Statement and the Supplement, the Company will make a consent payment to each holder with respect to which a consent was received prior to the expiration of the consent solicitation, which occurred today at 12:00 p.m., New York City time. The consent payments will be made as soon as practicable.

Crown Castle International Corp. is a leading provider of communication sites and wireless network services and provides an array of related infrastructure and network support services to the wireless communications and radio and television broadcasting industries in the United States and United Kingdom. Pro forma for all closed and previously announced transactions, Crown Castle International owns, operates and manages approximately 10,000 wireless communication towers internationally. For more information on Crown Castle International, visit: www.crowncastle.com.

Contacts:
Charles C. Green, III, CFO
Crown Castle International
713-570-3000

Ken Dennard
Easterly I.R.
kdennard@easterly.com
713-529-6600