SunPower to Announce First-Quarter Results on April 23, 2009

SAN JOSE, Calif., April 9 /PRNewswire-FirstCall/ -- SunPower Corp. (Nasdaq: SPWRA, SPWRB) will announce its first-quarter earnings in a conference call on Thursday, April 23 at 1:30 p.m. Pacific Time. The call-in number is 517-623-4618, passcode SunPower. The event will be webcast and can be accessed from SunPower's website at http://investors.sunpowercorp.com/events.cfm.

Full text of the press release and supplemental financial information will be made available on the SunPower website at http://investors.sunpowercorp.com/ at 1:05 p.m. Pacific Time on

April 23.

About SunPower

SunPower Corp. (Nasdaq: SPWRA, SPWRB) 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, Australia and Asia. For more information, visit www.sunpowercorp.com.