Press Release

SunPower Moves Its Headquarters to Accommodate Rapid Growth

April 24, 2006 at 12:00 AM EDT

SUNNYVALE, Calif., April 24, 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 has moved its corporate headquarters to a larger facility in San Jose, California, to accommodate its continued expansion. In addition to the corporate functions, the new site will also house its state-of-the-art research and development lab.

"Over the past year, we have seen our company through a successful IPO, doubled our head-count and have sustained our company as one of the industry's leading solar cell manufacturers," said Tom Werner, CEO of SunPower Corporation. "We are pleased to call San Jose our new home and look forward to being a growing part of Silicon Valley's high tech economy."

SunPower's new address, located on the Cypress campus, is 3939 North First Street, San Jose, California, 95134. The new phone number is 408-240-5500.

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 Corporation
http://www.prnewswire.com

Copyright (C) 2006 PR Newswire. All rights reserved.

News Provided by COMTEX