SunPower and SolarPower Ltd. Dedicate 50-Kilowatt Solar Power System for HP in Israel

KIRVAT-GAT, Israel, December 21 - SunPower Corp. (Nasdaq: SPWRA, SPWRB), a US-based manufacturer of
high-efficiency solar cells, solar panels and solar systems, and SolarPower
Ltd., an Israeli solar power system integrator and project developer, today
dedicated a 50-kilowatt rooftop solar power system at HP's Indigo division
facility in Kiryat-Gat, Israel.

SolarPower designed and built the system with high-efficiency SunPower
solar panels. Construction on the project began in October.

"By combining SolarPower's design and construction expertise with
SunPower panels, the most efficient solar panels commercially available, HP
will maximize the amount of clean solar power generated on the roof," said
SolarPower co-CEO Alon Tamari. "We are very pleased to have completed the
first solar power installation for the high-technology industry in Israel."

"SolarPower's leadership in Israel was clearly an advantage to SunPower
as we entered the market," said Howard Wenger, president, global business
units, for SunPower. "On four continents, the proven performance of
SunPower's technology has achieved a superior return on investment for our
residential, commercial and power plant customers."

SunPower has completed more than 550 large solar power systems worldwide,
including the recently completed 24-megawatt Montalto solar power plant in
Italy.

About SolarPower Ltd.

SolarPower Israel Ltd. is a system integration (EPC) and project
development company. Founded in 2003, SolarPower designs, integrates,
supplies, installs and develops solar energy projects for various
applications including grid-tied and off-grid projects.

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

Ingrid Ekstrom of SunPower Corp., +1-510-260-8368, ingrid.ekstrom at sunpowercorp.com; or Alon Tamari of SolarPower Israel Ltd., +972-9-8654904, Alon at solarpower.co.il