Spire Wins Contract with Underwriters Laboratories Inc.

Underwriters Laboratories Chooses the Spi-Sun Simulator(TM) 4600
Single Long Pulse for Use in Certification of Modules for the United
States and China Markets.
BEDFORD, Mass.--(Business Wire)--
Spire Corporation (Nasdaq: SPIR), a global solar company providing
turnkey solar factories and capital equipment to manufacture
photovoltaic modules worldwide, today announced that it has received a
contract from Underwriters Laboratories Inc. (UL) to provide critical
test equipment for their certification operations in both the United
States and China.

UL is the primary entity for certifying module design and
performance in the United States. All modules produced anywhere in the
world will require UL approval for commercial sale in the United
States. In-depth testing of new designs is required to achieve and
maintain certification, and Spire will provide UL with multiple
Spi-Sun Simulator(TM) 4600 Single Long Pulse systems.

"Spire is very excited to win the order for this significant tool
with UL. They play a critical role in the industry by setting the
standards and verifying the process that proves to the investors in
photovoltaics that their energy assets will last. Manufacturers who
want to feel comfortable about their specifications can now use the
same tool as the certifying agency," said, Steve Hogan, Executive Vice
President and General Manager, Spire Solar of Spire Corporation. "I
have always known that Spire's Sun-Simulator(TM) sets the standard and
now UL agrees."

Bill Colavecchio, Vice President and General Manager of UL's
Global Industrial Products Sector adds, "We require the systems we use
in certification to be of the highest caliber. We did an exhaustive
search of the technology available and are pleased to be receiving a
system from Spire."

About Underwriters Laboratories Inc.

Underwriters Laboratories Inc. is an independent product safety
certification organization that has been testing products and writing
Standards for Safety for over a century. UL evaluates more than 19,000
types of products, components, materials and systems annually with 21
billion UL Marks appearing on 72,000 manufacturers' products each
year.

About Spire Corporation

Spire Corporation is a global solar company providing turnkey
production lines and capital equipment to manufacture photovoltaic
modules worldwide. Spire Semiconductor provides processing technology
for Spire's silicon solar cell manufacturing lines and produces and
sells custom gallium arsenide cells for solar concentrator systems.
For corporate or product information, contact Spire Corporation, "The
Turnkey Solar Factory Company," at 781-275-6000, or visit
www.spirecorp.com.

Certain matters described in this news release may be
forward-looking statements subject to risks and uncertainties that
could cause actual results to differ materially from those indicated
in the forward-looking statements. Such risks and uncertainties
include, but are not limited to, the risk of dependence on market
growth, competition and dependence on government agencies and other
third parties for funding contract research and services, as well as
other factors described in the Company's Form 10-K and other periodic
reports filed with the Securities and Exchange Commission.

Spire Corporation
Stephen J. Hogan, 781-275-6000
EVP & GM, Spire Solar

Copyright Business Wire 2008