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SunPower Receives Stanford's ENCORE Award for Entrepreneurial Achievement
SAN JOSE, Calif.

SAN JOSE, Calif., Oct. 3, 2007  /PRNewswire/ -- SunPower Corporation (NASDAQ: SPWR), a Silicon Valley-based manufacturer of high-efficiency solar cells, solar panels, and solar systems, is this year's recipient of the Entrepreneurial Company of the Year Award (ENCORE) from Stanford Business School Alumni Association.

The award will be conferred tonight at the Menlo Circus Club in Atherton, Calif. Featured speakers at the award ceremony will include SunPower Chief Executive Officer Tom Werner and Stanford Graduate School of Business Dean Robert Joss.

"SunPower is honored to receive the ENCORE award, joining the ranks of many of Silicon Valley's iconic companies," said Werner. "Technology born at Stanford has led to massive shifts in business, consumer behavior and the global standard of living. SunPower plans to drive the most popular energy resource, solar power, into the energy mainstream for homes, businesses, governments and utilities."

The ENCORE award recognizes Silicon Valley-based companies for entrepreneurial spirit and achievement. Presented every year since 1977, recent ENCORE Award winners have included Apple Inc., Google Inc. and eBay, Inc.

About SunPower

SunPower Corporation (NASDAQ: SPWR) designs, manufactures and delivers high-performance solar-electric systems worldwide for residential, commercial and utility-scale power plant customers. SunPower high-efficiency solar cells and solar panels generate up to 50 percent more power than conventional solar technologies and have a uniquely attractive, all-black appearance. With headquarters in San Jose, Calif., SunPower has offices in North America, Europe and Asia. For more information, visit http://www.sunpowercorp.com/. SunPower is a majority-owned subsidiary of Cypress Semiconductor Corp. (NYSE: CY).

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.

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SOURCE: SunPower Corporation

CONTACT: Ingrid Ekstrom of SunPower Corporation, +1-510-868-1368,

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