AMERICAN TOWER CORP /MA/ — Director's Dealing 2016

May 4, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2016-05-02

Reporting Person: KATZ CAROLYN (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-02	Common Stock	S	794	$105.00	Disposed	21584	Direct

Footnotes

F1: The sales reported on this Form 4 were pursuant to a 10b5-1 trading plan adopted by the reporting person on March 15, 2016.