Eric Mao-Teng Hsu Joins GT Solar as Country Manager in Taiwan

GT Solar to Exhibit at PV Taiwan 2009
MERRIMACK, N.H.--(Business Wire)--
GT Solar International, Inc. (NASDAQ: SOLR), a global provider of specialized
equipment and technology for the solar power industry, today announced that Eric
Mao-Teng Hsu has joined the company in the newly-created position of country
manager - Taiwan. In this role, Hsu will be responsible for establishing a
direct office in Taiwan, and for leading the company`s efforts in the growing
Taiwanese market.

Hsu brings to GT Solar nearly 15 years of sales, service, and management
experience. Most recently, he served as an account manager for Varian
Semiconductor Equipment Associates. Previously, he was the service operation
director/Asia service deputy director for Brooks Automation, Inc. Hsu has also
held positions of increasing responsibility at other companies, including AMPI
Inc., INTRACO Asia Taiwan, and KLA-Tencor Corporation. He earned a Bachelor of
Computer Science degree from International Technological University in
Sunnyvale, Calif.

"Eric is a seasoned professional with a significant amount of practical and
leadership experience," said Jeff Ford, GT Solar`s vice president and general
manager, Asia. "We are extremely pleased that Eric has joined GT Solar, and look
forward to his successes as he focuses on strengthening our customer
relationships and broadening our presence in the Taiwanese market."

Also today, GT Solar announced that it will be exhibiting at PV Taiwan 2009. The
exhibition will take place from October 7 - 9, 2009 at the Taipei World Trade
Center Exhibition Hall in Taipei, Taiwan.

About GT Solar International, Inc.

GT Solar International, Inc. (NASDAQ: SOLR) is a leading global provider of
specialized manufacturing equipment and services essential for the production of
photovoltaic wafers, cells and modules and polysilicon for the solar power
industry. The company's principal products are directional solidification
systems and chemical vapor deposition reactors and related equipment. For
additional information about GT Solar, please visit www.gtsolar.com.

GT Solar International, Inc.
Media
Susan Vaillancourt, 603-589-3782
susan.vaillancourt@gtsolar.com
or
Investors/Analysts
Bob Blair, 603-681-3869
bob.blair@gtsolar.com

Copyright Business Wire 2009