AMERICAN TOWER CORP /MA/ — Director's Dealing 2013

May 9, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2013-05-08

Reporting Person: Meyer Robert Joseph JR (SVP, Finance & Corp Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-08	Common Stock	S	2046	$84.02	Disposed	6483	Direct