GT Advanced Technologies to Host Guidance Conference Call on December 18

  GT Advanced Technologies to Host Guidance Conference Call on December 18

Business Wire

NASHUA, N.H. -- December 05, 2012

GT Advanced Technologies, Inc. (NASDAQ:GTAT) today announced that the company
will conduct an investment community conference call Tuesday, December 18,
2012, at 8:00am ET to discuss its guidance for calendar year 2012 and 2013.
The call will be available on a live and archived basis as follows:

Live Conference Call and Webcast
Date & Time:         Tuesday, December 18, 2012 at 8:00am ET
Webcast:              Go to http://investor.gtat.com/, select “Events” and
                      select webcast.
Dial-in Number:       617 614.3451
Telephone Passcode:   GTAT

Archive Replay
Available:            December 18, 2012 at 10:00am ET through March 11, 2013
                      at 11:59pm ET
Webcast:              Go to http://investor.gtat.com/, select “Events,” and
                      “Past Events.”
Dial-in Number:       617 801.6888
Passcode:             83589413


About GT Advanced Technologies Inc.

GT Advanced Technologies Inc. is a diversified technology company with
innovative crystal growth equipment and solutions for the global solar, LED
and electronics industries. Our products accelerate the adoption of new
advanced materials that improve performance and lower the cost of
manufacturing. For additional information about GT Advanced Technologies,
please visit www.gtat.com.

Contact:

GT Advanced Technologies, Inc.
Media
Jeff Nestel-Patt, 603-204-2883
jeff.nestelpatt@gtat.com
or
Investors/Analysts
Ryan Blair, 603-681-3869
ryan.blair@gtat.com