What is the purpose of this 8-K filing?

The purpose of this 8-K filing is to formally announce the commencement of American Tower Corporation's offer to exchange its outstanding unregistered 4.625% Senior Notes due 2015 for new, registered 4.625% Senior Notes due 2015.

Why is the company exchanging its notes?

Companies often issue debt in private placements or under specific exemptions that do not require immediate registration with the SEC. An exchange offer is used to replace these unregistered notes with identical notes that have been registered, making them freely transferable and resalable in the public market. This is a routine compliance step.

Do the terms of the debt change as a result of this exchange?

No, the terms of the debt, including the principal amount, the 4.625% interest rate, and the maturity date of 2015, remain the same for the new registered notes. The exchange is purely a regulatory and administrative process.

Is this a new debt issuance or a refinancing?

This is neither a new debt issuance nor a refinancing. It is an exchange of existing debt for new, identical debt that has been registered with the SEC. The principal amount of debt outstanding for American Tower remains unchanged by this transaction.

AMT 8-K SEC Disclosure — Dec 29, 2009

Summary

American Tower Corporation (AMT) filed an 8-K on December 29, 2009, to announce the commencement of an offer to exchange its outstanding $600 million 4.625% Senior Notes due 2015 for new notes that are registered under the Securities Act of 1933. This exchange offer is a standard regulatory step to bring previously issued unregistered notes into compliance with registration requirements, making them freely tradable. The original notes were issued on October 20, 2009. This action is primarily a compliance-related event for AMT and does not indicate any fundamental change in the company's financial condition or debt structure at this time. Investors should view this as a procedural step to ensure the marketability of the company's debt securities. The terms of the debt, including the interest rate and maturity date, remain unchanged in the exchange.

Key Highlights

1AMT commenced an offer to exchange its outstanding $600 million 4.625% Senior Notes due 2015.
2The exchange offer is for new 4.625% Senior Notes due 2015 that are registered under the Securities Act of 1933.
3This is a procedural step to register notes previously issued.
4The original notes were issued on October 20, 2009.
5The terms of the debt, including the coupon rate and maturity, remain the same.
6The filing includes a press release dated December 29, 2009, as an exhibit.

AMERICAN TOWER CORP /MA/ 8-K Report, Corporate Update (Dec 29, 2009)

Summary

Key Highlights

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