GTAT Corporation Settles Trade Secrets Lawsuit Against Poly Plant Project

  GTAT Corporation Settles Trade Secrets Lawsuit Against Poly Plant Project

Business Wire

NASHUA, N.H. -- November 09, 2012

GTAT Corporation (formerly known as GT Solar Incorporated), a subsidiary of GT
Advanced Technologies, Inc. (NASDAQ: GTAT), today announced that it has
settled a lawsuit pending in the United States District Court for the District
of New Hampshire against Poly Plant Project, Inc. (PPP), its employee,
Fabrizio Goi, and PPP Equipment Corp. (PPP E) of Burbank, California, for the
misappropriation of GTAT’s trade secrets relating to its polysilicon reactor
equipment.

About GT Advanced Technologies Inc.

GT Advanced Technologies Inc. is a diversified technology company delivering
innovative crystal growth equipment and solutions to 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:

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