UNITED STATES	OMB APPROVAL OMB Number: 3235-0080 Expires: March 31, 2018 Estimated average burden hours per response: 1.7
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 25
NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934.
Commission File Number	001-14195
Issuer: AMERICAN TOWER CORP /MA/ Exchange: NEW YORK STOCK EXCHANGE LLC (Exact name of Issuer as specified in its charter, and name of Exchange where security is listed and/or registered) Address: 116 Huntington Avenue Boston MASSACHUSETTS 02116 Telephone number: (617) 375-7500 (Address, including zip code, and telephone number, including area code, of Issuer's principal executive offices) 5.25% Mandatory Convertible Preferred Stock, Series A, par value $0.01 per share (Description of class of securities)
Please place an X in the box to designate the rule provision relied upon to strike the class of securities from listing and registration:
17 CFR 240.12d2-2(a)(1) 17 CFR 240.12d2-2(a)(2) 17 CFR 240.12d2-2(a)(3) 17 CFR 240.12d2-2(a)(4) Pursuant to 17 CFR 240.12d2-2(b), the Exchange has complied with its rules to strike the class of securities from listing and/or withdraw registration on the Exchange. 1 Pursuant to 17 CFR 240.12d2-2(c), the Issuer has complied with its rules of the Exchange and the requirements of 17 CFR 240.12d-2(c) governing the voluntary withdrawal of the class of securities from listing and registration on the Exchange.
Pursuant to the requirements fo the Securities Exchange Act of 1934, NEW YORK STOCK EXCHANGE LLC certifies that it has reasonable grounds to believe that it meets all of the requirements for filing the Form 25 and has caused this notification to be signed on its behalf by the undersigned duly authorized person.
2017-05-16 By Benjamin Sawyer Manager Date Name Title
1 Form 25 and attached Notice will be considered compliance with the provisions of 17 CFR 240.19d-1 as applicable. See General Instructions.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on May 30, 2017, pursuant to the provisions of Rule 12d2-2 (a). [ X ] 17 CFR 240.12d2-2(a)(3) That on May 15, 2017 the instruments representing the securities comprising the entire class of this security came to evidence, by operation of law or otherwise, other securities in substitution therefore and represent no other right except, if such be the fact, the right to receive an immediate cash payment. Each share of the 5.25% Mandatory Convertible Preferred Stock, Series A, will automatically convert on May 15, 2017 into 0.9337 shares of Common Stock of American Tower Corporation for each share of the 5.25% Mandatory Convertible Preferred Stock, Series A, held. Cash will be paid in lieu of fractional shares. The Exchange also notifies the Securities and Exchange Commission that as a result of the above indicated conditions this security was suspended from trading on May 15, 2017.