American Tower Names Brad Singer Executive Vice President, Strategy.

Business/Technology Editors

BOSTON--(BUSINESS WIRE)--Sept. 25, 2000

American Tower Corporation (ATC)(NYSE:AMT) announced today that Bradley Singer has been named Executive Vice President, Strategy. Mr. Singer will initially focus on several specific corporate development and strategic alliance opportunities and will support the capital resourcing activities of the the company. Mr. Singer comes to American Tower from Goldman, Sachs & Co.'s Investment Banking division. He has worked extensively in the communication tower industry, with his experience including the sales of the Bell Atlantic Mobile tower portfolio and the Motorola Antennae Site Business.

"We initially met Brad across the negotiating table, and found that we were dealing with an individual who was exceptionally bright, who listened well, who negotiated rationally, and who was fun to be around. Over time, we have come to understand that Brad is also a first rate strategic thinker. We are very excited about Brad's decision to join our senior team, and we know he's going to be an impact player for our company," said Steve Dodge, American Tower's Chief Executive Officer.

"It is exciting to join a market leader such as American Tower," stated Brad Singer. "I've had the pleasure of working with American Tower's management team in the past. They have had great success and I'm looking forward to the challenge of being part of the American Tower team as the company continues its impressive track record of growth and takes advantage of the numerous domestic and international opportunities presented by communication services providers and their infrastructure needs."

Mr. Singer holds an MBA from Harvard University and a BS degree from University of Virginia.

American Tower is the leading independent owner, operator and developer of broadcast and wireless communications sites in North America. Giving effect to pending transactions, American Tower operates approximately 10,300 sites in the United States, Mexico, and Canada, including approximately 300 broadcast tower sites. Of the 10,300 sites, approximately 9,300 are owned or leased towers and approximately 1,000 are managed and lease/sublease sites. Based in Boston, American Tower has regional hub offices in Boston, Atlanta, Chicago, Houston, San Francisco and Mexico City. For more information about American Tower Corporation and ATC Teleports, please visit our web sites www.americantower.com and www.atcteleports.com

This press release contains "forward-looking statements" concerning future expectations, plans or strategies that involve a number of risks and uncertainties. American Tower Corporation ("the Company"), wishes to caution readers that certain factors may have affected the Company's actual results and could cause results for subsequent periods to differ materially from those expressed in any forward-looking statement made by or on behalf of the Company. Such factors include, but are not limited to (i) substantial capital requirements and leverage principally as a consequence of its ongoing acquisitions and construction activities, (ii) dependence on demand for wireless communications, use of satellites for Internet data transmission, and implementation of digital television, (iii) the success of the Company's tower construction program and (iv) the successful operational integration of the Company's business acquisitions. The Company undertakes no obligation to update forward-looking statements to reflect subsequently occurring events or circumstances.