SUNNYVALE, Calif., April 21, 2006 /PRNewswire-FirstCall via COMTEX News Network/ -- 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 it will hold its annual stockholders meeting on May 4, 2006 at 12:00 p.m. Pacific time. The meeting will be held on the Cypress campus at 198 Champion Court in San Jose, California. The event will also be webcast live at http://investors.sunpowercorp.com/events.cfm.

About SunPower

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

SOURCE SunPower Corporation

Julie Blunden, Vice President External Affairs, +1-408-470-4277, or Helen Kendrick,
Communications Manager, +1-408-470-4285, or hkendrick@sunpowercorp.com, both of
SunPower

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