American Tower Corporation Extends Senior Notes Exchange Offer.

Business Editors

BOSTON--(BUSINESS WIRE)--July 2, 2001

American Tower Corporation (NYSE: AMT) announced that it is extending the expiration date of its offer to exchange its 9 3/8% Senior Notes due 2009 (CUSIP: 029912 AH5), registered under the Securities Act of 1933, as amended (the "Exchange Notes"), for its outstanding, unregistered 9 3/8% Senior Notes due 2009 (CUSIP: 029912 AG7; ISIN: USU04048 AA98) (the "Original Notes").

The exchange offer, which commenced on May 15, 2001 and was previously set to expire on June 29, 2001, will now expire at 5:00 p.m., Eastern Time, on July 16, 2001, unless extended.

Except for the absence of transfer restrictions under the federal securities laws applicable to the Original Notes, the Exchange Notes are identical to the Original Notes. Except for the extension of the expiration date, all terms and conditions of the exchange offer remain unchanged and in full force and effect.

As of June 29, 2001, holders of approximately $918,083,000 in aggregate principal amount of Original Notes have tendered Original Notes pursuant to the exchange offer.

Requests for assistance regarding the exchange offer or for copies of the exchange offer materials should be directed to The Bank of New York, the exchange agent for the exchange offer, at [phone], attention: Santino Ginocchietti.