American Tower (AMT) 8-K American Tower Corporation Announces Completion of

Exhibit 99.1

Contact: Michael Powell

Vice President, Investor Relations

Telephone: (617) 375-7500

AMERICAN TOWER CORPORATION ANNOUNCES COMPLETION OF

REDEMPTION OF OUTSTANDING 7.125% SENIOR NOTES

Boston, Massachusetts – November 13, 2009 – American Tower Corporation (NYSE: AMT) announced today that it has completed its previously announced redemption of the remaining $500.0 million principal amount of its 7.125% senior notes due 2012. The Company redeemed the notes pursuant to their terms at 101.781% of the principal amount, plus accrued and unpaid interest up to, but excluding, November 13, 2009. The total aggregate redemption price was approximately $511.7 million, including approximately $2.8 million in accrued interest. The Company financed the redemption with the net proceeds from its offering of 4.625% senior notes due 2015.

American Tower is a leading independent owner, operator and developer of broadcast and wireless communications sites. American Tower owns and operates over 26,700 communications sites in the United States, Mexico, Brazil and India. For more information about American Tower, please visitwww.americantower.com.

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