June 26, 2008

Suntech and Wacker Schott Sign 220MW Silicon Wafer Supply Agreement

Suntech Power Holdings, a manufacturer of photovoltaic cells and modules, and Wacker Schott Solar, a joint venture of Wacker Chemie and Schott Solar, have signed a long-term silicon wafer supply agreement.

Under the terms of the supply agreement, Wacker Schott will supply Suntech specified annual volumes of silicon wafers with a total volume of approximately 220MW over the course of the contract.

Zhengrong Shi, chairman and CEO of Suntech, said: "With the impressive reputations of Wacker Chemie and Schott, we have no doubt that Wacker Schott will become a reliable source of high quality silicon wafers for Suntech. We admire their efforts to rapidly develop commercial scale production of silicon wafers and look forward to being a long-term customer."