GT Solar Receives $40.7 Million ''Turnkey'' Order From Soltech, S.A.

GT Solar International, Inc., one of the largest providers of
manufacturing equipment and "turnkey" manufacturing solutions to the
photovoltaic (PV) industry, announced today its wholly owned
subsidiary, GT Solar Incorporated, has received a $40,700,000 order
from Soltech, S.A. in Patras, Greece for a turnkey line of equipment
capable of making 30MW of solar wafers, cells and modules annually.

The equipment includes GT Solar's new DSS450 furnace, which
produces 400kg to 450kg silicon ingots, and also Atlas
tabber/stringers, which arrange rows of solar cells for placement in
solar modules.

GT Solar President and CEO, Thomas Zarrella, said: "This order
represents GT's first sale of an integrated factory, and underscores
GT's value as an enabler of companies that are interested in the solar
(PV) business. GT provides these companies with a turnkey line of
manufacturing equipment, technologies and solutions across the
photovoltaic supply chain."

Soltech, S.A. President, Dimitrios Panagakos, said: "We are
purchasing a technologically advanced line of equipment and technology
that will make us competitive in the fast-growing photovoltaic
marketplace. We look forward to this business relationship with GT
Solar."

About Soltech, S.A.

Soltech, S.A. of Patras, Greece is positioned to be Greece's
leading supplier of solar wafers, cells and modules. It will be
distinctly positioned as the first fully integrated solar PV player in
the Southern European market. Soltech, S.A.'s unique production
platform translates into concrete advantages for its customers,
including higher efficiency, faster service and a broader range of
deliverable solutions.

About GT Solar

GT Solar International, Inc. is one of the largest providers of
manufacturing equipment and "turnkey" manufacturing solutions to the
photovoltaic (PV) industry. Based in Merrimack, NH (USA), the
company's products include equipment used to produce multicrystalline
solar wafers, cells and modules. GT Solar also manufactures
polysilicon reactors and converters which allow its customers to
produce the polysilicon from which solar wafers are made. For more
information, go to www.gtsolar.com.

Forward Looking Statements

This press release contains forward-looking statements that are
subject to risks and uncertainties. These statements are indicated by
words such as "expect," "estimate," or similar expressions. In
particular, this press release contains forward-looking statements
about the expected future sales from the contract executed with
Soltech, S.A. These statements are based upon information available to
GT Solar's management as of the date hereof. Actual results may differ
materially from the anticipated results because of certain risks and
uncertainties, including, but not limited to, the failure by either
party to fulfill its obligations under such contract. GT Solar
undertakes no obligation to update or revise forward-looking
statements to reflect changed assumptions, the occurrence of
unanticipated events or changes to future operating results over time,
except as required by law.