Item 8.01. Other Events.

On August 6, 2009, American Tower Corporation (the "Company") issued a press release announcing its call for redemption of the remaining $162.2 million principal amount of its 3.00% convertible notes due August 15, 2012 (the "Notes"). In accordance with the redemption provisions of the Notes and the Indenture dated as of August 20, 2004 between the Company and The Bank of New York Mellon (formerly known as The Bank of New York), as trustee (the "Indenture"), the Notes will be redeemed at a price equal to 101.125% of the principal amount. In addition, the Company will pay accrued and unpaid interest on the Notes up to, but excluding, the redemption date, which has been set for August 27, 2009. In accordance with the conversion provisions of the Notes and the Indenture, holders of the Notes will have the right at any time until and including, but not after the close of business on August 26, 2009, to convert their notes into shares of the Company's Class A common stock at a conversion rate of 48.7805 shares per $1,000 principal amount of notes.

A copy of the press release announcing the redemption of the Notes is furnished as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No. Description
99.1 Press release dated August 6, 2009 (furnished herewith).

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