SunPower Corporation to Supply Toshiba with 20.1 Percent Efficiency Solar Panel for Japanese Market

  SunPower Corporation to Supply Toshiba with 20.1 Percent Efficiency Solar
                          Panel for Japanese Market

New 20.1 Percent Efficiency Module Continues Toshiba's High Efficiency
Leadership in Japanese Residential Market

PR Newswire

SAN JOSE, Calif., Dec. 4, 2012

SAN JOSE, Calif., Dec. 4, 2012 /PRNewswire/ --SunPower Corporation (NASDAQ:
SPWR) today announced that it will supply Toshiba with its new world-record
efficiency solar panel beginning in December, extending Toshiba's solar
efficiency leadership in the Japanese residential market. SunPower's new
E20/250NE solar panel features a 20.1 percent efficiency rating delivering 250
watts per 72-cell module, and will be marketed exclusively by Toshiba in the
Japanese homes segment. The module features the all-back contact Maxeon™
solar cell designed and manufactured by SunPower Corporation which offers
world-record efficiency.

Since SunPower first partnered with Toshiba in 2010, it has delivered more
than 150 MW of its high-efficiency solar panels to Toshiba. "With our new
supply agreement with SunPower, Toshiba will continue to meet the growing
demand for high efficiency solar systems from our customers in the Japanese
residentialmarket," said Toshiba Executive Officer, Corporate Vice President,
Takeshi Yokota. "Through our solid partnership with SunPower, and the ability
to exclusively sell their new 250-watt, 20.1 percent efficiency solar panel,
we continue as the solar efficiency leader in Japan."

"Since 2010 we have enjoyed a strong partnership with Toshiba, a leader in the
fast-growing Japanese solar market. Toshiba stands for innovation and quality,
and so our brands are well matched as we work together to provide high
efficiency, high reliability solar panels and systems in Japan," said Tom
Werner, SunPower president and CEO. "We're confident that our new E20 / 250
watt high efficiency solar panels will drive significant growth in this market
and be a win-win for both companies."

About SunPower
SunPower Corp. (NASDAQ: SPWR) designs, manufactures and delivers the highest
efficiency, highest reliability solar panels and systems available today.
Residential, business, government and utility customers rely on the company's
quarter century of experience and guaranteed performance to provide maximum
return on investment throughout the life of the solar system. Headquartered in
San Jose, Calif., SunPower has offices in North America, Europe, Australia,
Africa and Asia. For more information, visit www.sunpowercorp.com.

SunPower Forward-Looking Statements
This press release contains forward-looking statements within the meaning of
the Private Securities Litigation Reform Act of 1995. Forward-looking
statements are statements that do not represent historical facts and may be
based on underlying assumptions. SunPower uses words and phrases such as "to
supply," "will," and similar expressions to identify forward-looking
statements in this press release, including forward-looking statements
regarding (a) supplying Toshiba with 20.1 percentefficiency solar panels, and
(b) SunPower growing the Japanese market. Such forward-looking statements
are based on information available to the company as of the date of this
release and involve a number of risks and uncertainties, some beyond the
company's control, that could cause actual results to differ materially from
those anticipated by these forward-looking statements, including risks and
uncertainties such as: (i) the company's ability to obtain and maintain an
adequate supply of raw materials; (ii) general business and economic
conditions, and the growth in the Japanese market for SunPower products; (iii)
the continuation of governmental and related economic incentives promoting the
use of solar power; (iv) manufacturing difficulties; (v) Toshiba's continued
business relationship with SunPower; and (vi) other risks described in the
company's Annual Report on Form 10-K for the year ended January 1, 2012 and
Quarterly Reports on Form 10-Q for the quarters ended April 1, 2012, July 1,
2012 and September 30, 2012 and other filings with the Securities and Exchange
Commission. These forward-looking statements should not be relied upon as
representing the company's views as of any subsequent date, and the company is
under no obligation to, and expressly disclaims any responsibility to, update
or alter its forward-looking statements, whether as a result of new
information, future events or otherwise.

SUNPOWER is a registered trademark of SunPower Corporation in the U.S. and
other countries. All other trademarks are the property of their respective
owners.

SOURCE SunPower Corp.

Website: http://www.sunpowercorp.com
Contact: Helen Kendrick, SunPower Corp., hkendrick@sunpowercorp.com,
+1-408-240-5585, or Sachiko Masuda, Burson-Marsteller Tokyo,
Sachiko.masuda@bm.com, +81 3 3264-6687
 
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