Crown Castle International acquires Terracom, one of the UK's leading site acquisition companies

Warwick, 17 July 2000, Crown Castle UK Limited ("Crown Castle"), a subsidiary of Crown Castle International Corp. (NASDAQ: TWRS), today announced that it has purchased Terracom Estates Ltd, a market leader in UK site acquisition. Terracom is now a wholly owned subsidiary of Crown Castle UK Limited.

The addition of a specialist acquisition company to support Crown Castle's expanding UK business base is indicative of the company's growth and the increasing prominence and importance being paid to property acquisition and network expansion. Crown Castle has also announced the creation of a new post, Director, Property & Site Acquisition - Wes Huff, a property expert from the US, has recently been appointed to this position. He is responsible for the company's property and site acquisition effort. In his new capacity, Wes will oversee the assimiliation of Terracom into the Crown Castle property programme.

Terracom was formed in 1995 and provides consultancy in acquisition, planning, design, estates and project management, primarily to the telecommunications industry. The Terracom brand name will be retained and their 70 + staff will continue to work from Terracom's six regional offices in Meriden (Midlands), Newbury, Harrogate, Bristol and Edinburgh and Belfast.

Bob Giles, President & Chief Operating Officer of Crown Castle commented: "The addition of Terracom's outstanding professional team will further strengthen our skill base in the critical area of site planning and acquisition, ensuring that we are able to meet the rapid deployment needs of our customers. We increasingly take full responsibility for the deployment of turnkey networks on behalf of our customers and Terracom's geographical coverage ensures that Crown Castle will have continue to have seasoned site acquisition professionals in critical parts of the country."

Trevor Coates and Andrew Quartermaine, joint Managing Directors at Terracom added: "We are delighted at this opportunity, which we believe represents a marriage of experts whose complementary abilities will deliver an unparalleled service to the industry."

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Notes to editors Crown Castle International Corp. engineers, deploys, owns and operates technologically advanced shared wireless infrastructure, including extensive networks of towers and rooftops as well as analogue and digital audio and television broadcast transmission systems. The Company offers near-universal broadcast coverage in the United Kingdom and significant wireless communications coverage to 68 of the top 100 United States markets, more than 95 percent of the UK population and more than 92 percent of the Australian population.

Pro forma for all closed and previously announced transactions, Crown Castle International owns, operates and manages over 11,000 wireless communication towers internationally. For more information on Crown Castle International, visit: www.crowncastle.com and www.3g-thefuture.com

Crown Castle UK Limited, a subsidiary of Crown Castle International Corp., operates more than 2,000 sites across the UK. Telecoms customers include Vodafone Airtouch, Orange, BT Cellnet and One 2 One, amongst others. Broadcast customers include the BBC, ONdigital, Virgin Radio and Talk Sport.

Terracom is a group of specialist companies formed in 1995 primarily to support and assist the Telecommunications Industry, providing consultancy services in Acquisition, Planning, Design, Estates and Project Management. It comprises Terracom Estates Ltd, Terracom Design & Development Ltd and Triscape Planning Ltd. Terracom employs 70 full time personnel, with a spread of offices giving national presence in the UK.