AMERICAN TOWER CORP /MA/ — Director's Dealing 2012

Jun 15, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2012-06-14

Reporting Person: Marshall Steven C. (EVP & President, U.S. Tower)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-06-14	Common Stock	S	7564	$67.00	Disposed	17682	Direct

Footnotes

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F2: Includes 427 shares acquired under the Company's employee stock purchase plan in May 2012.