SunPower and Jiawei SolarChina Sign Agreement

SAN JOSE, Calif., Dec. 7 /PRNewswire-FirstCall/ -- SunPower Corporation (Nasdaq: SPWR), a Silicon Valley-based manufacturer of high-efficiency solar cells, solar panels and solar systems, today announced that it has signed a five-year agreement with Jiawei SolarChina Co., Ltd. (Jiawei) to secure a supply of monocrystalline silicon ingots and silicon wafers.

Jiawei is affiliated with SunEnergy, SunPower's solar panel assembly partner, and plans to scale its operations to 200 ingot pullers in Beijing, China. Beginning in 2008, SunPower will purchase sufficient silicon in ingot and wafer forms to satisfy production requirements that represent more than 900 megawatts of solar cell production based on SunPower's
expected silicon utilization during the agreement period and subject to contract conditions. SunPower will provide polysilicon to Jiawei during the life of this agreement.

"Our partnership with Jiawei will diversify our upstream supply chain," said PM Pai, chief operating officer at SunPower Corp. "As we scale and expand our silicon supply base into China, we are pleased to extend our relationship with our partner, Jiawei."