[Face of Security]
AMERICAN TOWER CORPORATION
[INSERT GLOBAL SECURITY LEGEND AS REQUIRED]
3.000% Senior Notes due 2023
CUSIP No. 03027XAQ3
American Tower Corporation, a Delaware corporation (the Company), for value received, hereby promises
to pay to Cede & Co., or its registered assigns, the principal sum of dollars
($ ) on June 15, 2023 and to pay interest thereon, as provided on the reverse hereof, until the principal and any unpaid and accrued interest
are paid or duly provided for.
Interest Payment Dates: June 15 and December 15, with the first payment to be made on
June 15, 2018.
Regular Record Dates: June 1 and December 1.
The provisions on the back of this certificate are incorporated as if set forth on the face hereof.