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

Oct 15, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2014-10-13

Reporting Person: KATZ CAROLYN (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-10-13	Common Stock	S	3686	$93.82	Disposed	10491	Direct
2014-10-13	Common Stock	S	1314	$94.42	Disposed	9177	Direct

Footnotes

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

F2: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $93.12 to $94.04 per share.

F3: Represents the weighted average price of shares sold in multiple same-day transactions at prices ranging from $94.14 to $94.76 per share.