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: REEVE PAMELA D A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-08-24	Common Stock	M	5000	$37.70	Acquired	17758	Direct
2017-08-24	Common Stock	S	5000	$143.49	Disposed	12758	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	5000	Disposed	2018-03-17	Common Stock (5000)	Direct

Footnotes

F1: This option was granted pursuant to the 2007 Equity Incentive Plan, as amended.