GT Solar Names Thomas Zarrella President, CEO and Director

GT Solar Incorporated announced today that Thomas Zarrella has
been elected president, chief executive officer and director of its
parent company, GT Solar International, Inc.

Brad Forth, Chairman of the board of directors of GT Solar
International, Inc., commented: "Tom Zarrella joined GT Solar
Incorporated as president and chief operating officer in August of
2004 and has been instrumental in managing the company's growth in the
global photovoltaic marketplace over the past 2 1/2 years. During that
time, he has positioned GT Solar as a leading worldwide supplier of
photovoltaic equipment and services."

Previously, Zarrella served more than 25 years in the
international operations of high technology manufacturing companies,
including RWE Schott Solar, where he successfully transitioned the
company from an R&D operation to a full-scale manufacturer of
photovoltaic products. He also served in various management and
engineering positions at the North American Operations of Instron
Corp., and at Revere Corp. (a division of Allied Signal), Sprague
Meter (a division of Textron, Inc.), and Sikorsky Aircraft (a division
of United Technologies).

Mr. Zarrella holds a BSME degree from the University of
Connecticut and an MBA from the University of Bridgeport. He is a
native of Waterbury, CT.

About GT Solar Incorporated:

GT Solar Incorporated's parent company, GT Solar International,
Inc. is the owner of all the capital stock of GT Solar Incorporated,
and is a leading worldwide provider of essential technology, equipment
and turnkey manufacturing solutions across the photovoltaic supply
chain. Based in Merrimack, NH (USA), the company's products include
equipment used to produce multi-crystalline solar wafers, cells and
modules, as well as poly-silicon. For more information, go to
gtsolar.com.