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

Dec 22, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2014-12-18

Reporting Person: KATZ CAROLYN (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-12-18	Common Stock	M	10000	$18.15	Acquired	10000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-12-18	Option to Purchase Common Stock	$18.15	M	10000	Acquired	2015-04-01	Common Stock (10000)	Direct

Footnotes

F1: The transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 12, 2014.