[Face of Security]
AMERICAN TOWER CORPORATION
[INSERT GLOBAL SECURITY LEGEND AS REQUIRED]
3.600% Senior Notes due 2028
CUSIP No. 03027XAR1
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 January 15, 2028 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: January 15 and July 15, with the first payment to be made on
January 15, 2018.
Regular Record Dates: January 1 and July 1.
The provisions on the back of this certificate are incorporated as if set forth on the face hereof.