GT Solar Signs Polysilicon Reactor Contract With Chinese Company

GT Solar Incorporated, a global leader in photovoltaic (PV)
technologies and equipment, announced today it has signed a $39.5
million contract to sell polysilicon reactors and converters to the
Chinese company, Jiangsu Shunda Electronic Materials and Technology.

GT Solar's reactors and silicon tetrachloride converters will be
installed at Shunda's facility near Nanjing, China, which will allow
Shunda to produce silicon feedstock for PV cells.

GT's Vice President for Polysilicon, David Keck, said: "We are
pleased to be working with Shunda. We expect they will become a major
producer of polysilicon in support of their PV wafer business."

Shunda's President, Ni Yunda, said: "GT Solar has the expertise to
provide the equipment for the production of ultra-pure polysilicon.
Their support is a key part of our production plans."

About Shunda Solar

Jiangsu Shunda Electronic Materials and Technology Company is a
wholly owned subsidiary of Jiangsu Shunda Group Corporation located in
Yangzhou, Jiangsu Province. Shunda Group is a leading high-technology
enterprise focusing on the PV market. The company's rapid expansion in
recent years has enabled it to produce single crystalline ingots,
wafers, photovoltaic cells as well as photovoltaic modules. Shunda's
recent investment of $2.3 billion RMB has resulted in setting their
target to produce their own polysilicon in the near future, and to
become a major player in the photovoltaic market. For more
information, go to www.shundasolar.com.

About GT Solar

GT Solar Incorporated is a leading global 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 multicrystalline solar
wafers, cells, modules. GT Solar also manufactures polysilicon
reactors, 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
Jiangsu. 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.