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SunPower Announces First-Quarter Results on April 26, 2007; Annual Meeting on May 4th
Events to Be Webcast at: http://investors.sunpowercorp.com
SAN JOSE, Calif.

SAN JOSE, Calif., Apr. 4, 2007  /PRNewswire/ -- SunPower Corp. (NASDAQ: SPWR) will announce its first-quarter earnings in a conference call on Thursday, April 26th at 10:30 a.m. Pacific Time. The call-in number is 517-623-4618, passcode SunPower, for interested parties wanting to participate in the quarterly conference call. Additionally, SunPower will host its Annual Stockholders' Meeting on Friday, May 4th at 12:00 noon Pacific Time at Cypress's headquarters, located at 198 Champion Court in San Jose, Calif.

These events will be web cast and can be accessed from SunPower's web site at http://investors.sunpowercorp.com/.

Full text of the press release and supplemental financial information will be made available on the SunPower web site at http://investors.sunpowercorp.com/ on the morning of the conference call.

About SunPower Corp.

SunPower Corp. designs, manufactures and markets high-performance solar electric technology worldwide. SunPower's high-efficiency 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. SunPower's PowerLight subsidiary is a leading global provider of large-scale solar power systems, with over 100 megawatts installed. For more information on SunPower please visit the SunPower website at 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, +1-408-240-5577, or Susan DeVico,
+1-510-339-1527, both of SunPower Corp.

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