Securities Registration (section 12(b)) (8-a12b)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-A

FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES

PURSUANT TO SECTION 12(b) or (g)

OF THE SECURITIES EXCHANGE ACT OF 1934

American Tower Corporation

(Exact name of registrant as specified in its charter)




Delaware		65-0723837
(State or other jurisdiction of incorporation or organization)		(IRS Employer Identification No.)

116 Huntington Avenue

Boston, Massachusetts 02116

(Address of Principal Executive Offices) (Zip Code)

Securities to be registered pursuant to Section 12(b) of the Act:



Title of each class		Name of each exchange on which
to be so registered		each class is to be registered
1.375% senior notes due 2025		New York Stock Exchange

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c), check the following box. ý

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d), check the following box. ¨

Securities Act registration statement file number to which this form relates:

333-211829 (if applicable)

Securities to be registered pursuant to Section 12(g) of the Act:

None



Item 1.	Description of the Registrant’s Securities to be Registered

The description of the 1.375% senior notes due 2025 of American Tower Corporation (the “Registrant”) is set forth under the caption “Description of Notes” in the prospectus supplement dated March 30, 2017, as filed with the Securities and Exchange Commission (the “Commission”) on March 31, 2017 pursuant to Rule 424(b)(2) under the Securities Act of 1933, as amended, to the Registrant’s registration statement on Form S-3 (File No. 333-211829), as filed with the Commission on June 3, 2016, which description is incorporated herein by reference.



Item 2.	Exhibits




Exhibit No.		Description

4.1		Indenture, dated May 23, 2013, by and between the Registrant and U.S. Bank National Association, as Trustee (incorporated by reference to Exhibit 4.12 of the Registrant’s Registration Statement on Form S-3ASR (File No. 333-188812) filed on May 23, 2013).

4.2		Supplemental Indenture No. 7, dated April 6, 2017, by and among the Registrant, U.S. Bank National Association, as Trustee, and Elavon Financial Services DAC, UK Branch, as Paying Agent (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K (File No.001-14195) filed on April 6, 2017).

4.3		Form of Global Note (included in Exhibit 4.2).

Signature

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.



		AMERICAN TOWER CORPORATION
		(Registrant)

Date:	April 6, 2017	By:	/s/ Thomas A. Bartlett
			Thomas A. Bartlett
			Executive Vice President and Chief Financial Officer