AMERICAN TOWER CORP /MA/ — Director's Dealing 2014

Aug 8, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2014-08-07

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-08-07	Common Stock	M	5000	$25.43	Acquired	15258	Direct
2014-08-07	Common Stock	S	5000	$96.36	Disposed	10258	Direct
2014-08-07	Common Stock	S	3000	$96.27	Disposed	7258	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-08-07	Option to Purchase Common Stock	$25.43	M	5000	Disposed	2018-12-01	Common Stock (5000)	Direct

Footnotes

F1: Includes 216 shares acquired under the Company's employee stock purchase plan in May 2014.

F2: This option was granted pursuant to the 2007 Equity Incentive Plan and is exercisable in 25% cumulative annual increments beginning December 1, 2009.