AMT American Tower Corporation

American Tower Corporation (NYSE: AMT) announced today that it will reschedule its third quarter 2015 earnings conference call as a result of its conference call provider suffering a significant outage during the Company’s previously scheduled earnings conference call. The call will be held at 8:30 a.m. ET on Friday, October 30, 2015, and will include both prepared remarks and a question and answer session.

Conference call details are as follows:           Call Date: October 30, 2015 Call Time: 8:30 a.m. ET   Call Dial in: (800) 230-1074 US/Canada (612) 234-9960 International Access Code: 372681   Online Info:

http://www.americantower.com/corporateus/investor-relations/webcasts/index.htm

Live simulcast (listen only) available during the call.

Replay available shortly after the conclusion of the call.   An audio replay of the conference call will be available as follows:   Replay Dates: October 30, 2015 11:30 a.m. ET – November 13, 2015 11:59 p.m. ET Replay Dial in: (800) 475-6701 US/Canada (320) 365-3844 International Access Code: 372681  

About American Tower

American Tower, one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate with a portfolio of over 99,000 communications sites. For more information about American Tower, please visit www.americantower.com.

View source version on businesswire.com: http://www.businesswire.com/news/home/20151029006316/en/

American Tower CorporationLeah Stearns, 617-375-7500Senior Vice President, Treasurer and Investor Relations