SunPower to Announce Third-Quarter Results on October 22, 2009

Event to be Webcast at: http://investors.sunpowercorp.com/events.cfm

SAN JOSE, Calif., Oct. 8 /PRNewswire-FirstCall/ -- SunPower Corp. (Nasdaq:
SPWRA, SPWRB) will announce its third-quarter earnings in a conference call on
Thursday, October 22 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/http://investors.sunpowercorp.com/at 1:05
p.m. Pacific Time on October 22.

About SunPower
Founded in 1985, SunPower Corp. (Nasdaq: SPWRA, SPWRB) designs, manufactures
and delivers the planet's most powerful solar technology broadly available
today. Residential, business, government and utility customers rely on the
company's experience and proven results to maximize return on investment. With
headquarters in San Jose, Calif., SunPower has offices in North America,
Europe, Australia and Asia. For more information, visit www.sunpowercorp.com.

SUNPOWER and the SUNPOWER logo are trademarks or registered trademarks of
SunPower Corporation. All rights reserved. All other trademarks are the
property of their respective owners.

SOURCE SunPower Corp.

Helen Kendrick, Communications Manager of SunPower Corp., +1-408-240-5585,
hkendrick@sunpowercorp.com