AMERICAN TOWER CORP /MA/ — Director's Dealing 2017

Aug 28, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2017-08-24

Reporting Person: Sharma Amit (EVP, Asia)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-08-24	Common Stock	M	32500	$37.70	Acquired	128213	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-08-24	Option to Purchase Common Stock	$37.70	M	32500	Disposed	2018-03-17	Common Stock (32500)	Direct

Footnotes

F1: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on July 28, 2017.

F2: This option was granted pursuant to the 2007 Equity Incentive Plan, as amended, and is exercisable in 25% cumulative annual increments beginning March 17, 2009.