American Tower Names Justin D. Benincasa, Senior Vice President.

Business/Technology Editors

BOSTON--(BUSINESS WIRE)--Oct. 5, 2000

American Tower Corporation (ATC) (NYSE: AMT) announced today that Justin D. Benincasa has been named Senior Vice President. Mr. Benincasa has been American Tower's Corporate Controller since the formation of the Company in 1995.

Joe Winn, Chief Financial Officer of American Tower, said, "I take great personal pleasure in announcing this promotion. Justin has been with us as an increasingly important player in three growth companies - American Cablesystems, American Radio Systems and now American Tower. You simply can't successfully manage a growing company in a consolidating industry without having a terrific financial operations function, and Justin and his team have provided that and more to American Tower. Justin's contributions to American Tower will become even more crucial as we drive toward our goal of owning 25,000 towers and of producing a billion dollars of cash flow annually in the coming years. I am confident he is more than up to the task."

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 Verestar, formerly ATC Teleports, please visit our web sites www.americantower.com and www.verestar.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.