The Supervisory Board of Wacker Chemie AG approved today the conclusion of an irrevocable undertaking with GlobalWafers Co., Ltd., a company based in Taiwan. Under this agreement, WACKER irrevocably undertakes to transfer its entire stake in Siltronic AG – accounting for some 30.8 percent – to GlobalWafers as part of a voluntary takeover bid that GlobalWafers will submit to Siltronic shareholders.