American Tower Corporation Announces Completion of Tender Offer for 7.50% Senior Notes Due 2012

BOSTON--(Business Wire)--
American Tower Corporation (NYSE: AMT) announced today that it has completed its
previously announced tender offer for any and all of the $225,000,000
outstanding aggregate principal amount of its 7.50% senior notes due 2012 (the
"Notes").

A total of $204,184,000 in aggregate principal amount of Notes (approximately
90.8%) was tendered prior to the expiration date of 11:59 p.m., New York City
time, on June 23, 2009. The Company has accepted for purchase all Notes tendered
pursuant to the tender offer, resulting in a total payment (including amounts
previously paid) of $210.2 million, including approximately $1.7 million in
accrued and unpaid interest, to holders of the Notes.

The Company retained Credit Suisse Securities (USA) LLC to act as Dealer Manager
in connection with the tender offer.

The Company previously announced the call for the redemption of the Notes that
remain outstanding following the expiration of the tender offer. The Notes will
be redeemed at a price equal to 101.875% of the principal amount, plus any
accrued and unpaid interest up to, but excluding, the redemption date, which has
been set for July 20, 2009. The Company intends to use available cash on hand to
fund the redemption.

American Tower is a leading independent owner, operator and developer of
broadcast and wireless communications sites. American Tower owns and operates
over 25,000 communications sites in the United States, Mexico, Brazil and India.
For more information about American Tower, please visit www.americantower.com.

ATC
Michael Powell, 617-375-7500
Vice President, Investor Relations

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