AMERICAN TOWER CORP /MA/ — Director's Dealing 2018

Mar 13, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMERICAN TOWER CORP /MA/ (AMT)
CIK: 0001053507
Period of Report: 2018-03-10

Reporting Person: Lara Gustavo (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-03-10	Common Stock	F	198	$143.58	Disposed	14266	Direct
2018-03-12	Common Stock	A	1241	—	Acquired	15507	Direct

Footnotes

F1: Shares delivered to the issuer for the payment of withholding taxes in connection with the vesting of restricted stock units ("RSUs") previously granted under the 2007 Equity Incentive Plan, as amended (the "Plan").

F2: These RSUs were granted pursuant to the Plan and vest on March 12, 2019. Each RSU represents a contingent right to receive one share of Common Stock.