SunPower CEO, Thomas Werner, to Deliver Keynote at 2006 Clean-Tech Investor Summit
Company to Webcast Presentation Live on February 2, 2006 at 11:15 a.m. PST
PRNewswire-FirstCall
SUNNYVALE, Calif.

SUNNYVALE, Calif., Jan. 31, 2006  /PRNewswire/ -- SunPower Corporation (NASDAQ: SPWR), a Silicon Valley-based manufacturer of the world's highest efficiency, commercially available solar cells and solar panels, today announced that its CEO, Thomas Werner, will deliver the keynote presentation at the annual Clean-Tech Investor Summit on February 2, 2006, at 11:15 a.m. Pacific Standard Time. Werner's keynote will be simultaneously webcast from SunPower's web site at http://investors.sunpowercorp.com/eventdetail.cfm?eventid=24563 .

Werner will speak about the translation of Silicon Valley's high-tech revolution to the solar industry. He will explain SunPower's approach to the market, its unique high-efficiency solar cell technology, and highlight elements of its business plan to dramatically scale up solar power production while dropping customer end-costs.

About SunPower Corp.

SunPower Corp. designs and manufactures high-efficiency silicon solar cells and solar panels based on an all-back contact cell design. SunPower's solar cells and panels generate up to 50 percent more power per unit area than conventional solar technologies and have a uniquely attractive, all-black appearance. For more information on SunPower or solar technology, please visit the SunPower website at http://www.sunpowercorp.com/ . SunPower is a majority-owned subsidiary of Cypress Semiconductor Corp. (NYSE: CY).

NOTE: SunPower is a registered trademark of SunPower Corp. Cypress is a registered trademark of Cypress Semiconductor Corp. All other trademarks are the property of their respective owners.

SOURCE: SunPower Corporation

CONTACT: Julie Blunden, Vice President, External Affairs,
+1-408-470-4277

Web site: http://www.sunpowercorp.com/