American Tower Plans Fourth Quarter and Full Year 2012 Earnings Release and Conference Call

  American Tower Plans Fourth Quarter and Full Year 2012 Earnings Release and
  Conference Call

Business Wire

BOSTON -- January 29, 2013

American Tower Corporation (NYSE: AMT) announced today that the press
announcement of its fourth quarter and full year 2012 results is scheduled to
be released to the news services at 7:00 a.m. ET on Tuesday, February 26,
2013. In addition, the Company has scheduled a conference call at 8:30 a.m. ET
on February 26, 2013 to discuss its results.

Conference call details are as follows:
                         
Call                      February 26, 2013
Date:
Call                      8:30 a.m. ET
Time:
                           
Call Dial                 (866) 740-9153 US/Canada
in:
                          (706) 645-9644 International
                          Access Code: 94770658
                           
Online                    www.americantower.com/atcweb/irpages/irhome.asp
Info:
                          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                    February 26, 2013 2:00 p.m. ET – March 12, 2013
Dates:                    11:59 p.m. ET
                          Replay Dial in: (855) 859-2056 US/Canada
                          (404) 537-3406 International
                          Access Code: 94770658
                           

About American Tower

American Tower is a leading independent global owner, operator and developer
of wireless communications sites. American Tower currently owns and operates
over 53,000 communications sites in the United States, Brazil, Chile,
Colombia, Germany, Ghana, India, Mexico, Peru, South Africa and Uganda. For
more information about American Tower, please visit www.americantower.com.

Contact:

American Tower Corporation
Leah Stearns, 617-375-7500
Vice President, Investor Relations & Capital Markets