terms and conditions of the purchase or sinking fund provisions, if any, for the purchase or redemption of shares of the series;
the distinctive designation of each series and the number of shares that will constitute the series;
the voting power, if any, of shares of the series; and
any other relative rights, preferences or limitations.
As of the date of this prospectus, we are authorized to issue up to twenty million (20,000,000) shares of preferred stock, par value $0.01 per share, and have two series of preferred stock
outstanding: six million (6,000,000) shares of 5.25% Mandatory Convertible Preferred Stock, Series A, and one million three-hundred seventy-five thousand (1,375,000) shares of 5.50% Mandatory Convertible Preferred Stock, Series B. Some of the
provisions described in the section Description of Common StockRestrictions on Ownership and Transfer may also apply to any shares of preferred stock we issue.
DESCRIPTION OF DEBT SECURITIES
This section describes the general terms that will apply to any debt securities that we may offer pursuant to this prospectus and an applicable prospectus supplement. The specific terms of any offered
debt securities, and the extent to which the general terms described in this section apply to these debt securities, will be described in the applicable prospectus supplement at the time of the offering. The prospectus supplement, which we will file
with the SEC, may or may not modify the general terms found in this prospectus. For a complete description of any series of debt securities, you should read both this prospectus and the prospectus supplement that applies to that series of debt
In this section, the terms we, our, us and American Tower refer
solely to American Tower Corporation (and not to any of its affiliates, including subsidiaries). As used in this prospectus, debt securities means the debentures, notes, bonds and other evidences of indebtedness offered pursuant to this
prospectus and an applicable prospectus supplement and authenticated by the relevant trustee and delivered under the applicable indenture.
We may issue senior debt securities under an indenture dated as of May 13, 2010 between us and The Bank of New York Mellon Trust Company, N.A., as trustee (the 2010 Indenture) or under an
indenture dated as of May 23, 2013 between us and U.S. Bank National Association, as trustee (the 2013 Indenture). The 2010 Indenture and the 2013 Indenture are incorporated by reference as exhibits to the registration statement of
which this prospectus is a part. We may issue subordinated debt under a separate indenture to be entered into between us and U.S. Bank National Association, as trustee, as supplemented from time to time. This indenture, as supplemented, is referred
to in this prospectus as the Subordinated Indenture. References to the indenture in this prospectus refer to the 2010 Indenture, the 2013 Indenture or the Subordinated Indenture, as applicable. References to the
trustee in this prospectus refer to The Bank of New York Mellon Trust Company, N.A. when used in connection with the 2010 Indenture, and to U.S. Bank National Association when used in connection with the 2013 Indenture and the
Subordinated Indenture. If a different trustee or a different indenture for a series of debt securities is used, those details will be provided in a prospectus supplement and the forms of any other indentures will be filed with the SEC at the time
they are used.
We have summarized below the material provisions of the indenture and the debt securities, and indicated which
material provisions will be described in an applicable prospectus supplement. For further information, you should read the indenture. The following summary is qualified in its entirety by the provisions of the indenture, including the provisions
made part thereof by reference to the Trust Indenture Act of 1939, as amended.
The debt securities that we may offer under the indenture are not limited in aggregate principal amount. We may issue debt securities at
one or more times in one or more series. Each series of debt securities may have different terms. The terms of any series of debt securities will be described in, or determined by action taken pursuant to, a resolution of our board of directors or a
committee appointed by our board of directors or in a supplement to the indenture relating to that series.