X0101 42003-05-201 0000912603 SCHNITZER STEEL INDUSTRIES INC SCHN 0001052192 CASCADE INVESTMENT LLC 0010 0000902012 GATES WILLIAM H III 0010Common Stock2003-05-204S0150026.55D520700DCommon Stock2003-05-204S0150026.59D519200DCommon Stock2003-05-204S0150026.65D517700DCommon Stock2003-05-204S040026.67D517300DCommon Stock2003-05-204S0150026.79D515800DCommon Stock2003-05-204S0510027D510700DCommon Stock2003-05-204S0160027.15D509100DCommon Stock2003-05-204S0150027.25D507600DCommon Stock2003-05-204S010027.27D507500DCommon Stock2003-05-204S010027.3D507400DCommon Stock2003-05-204S0170027.31D505700DCommon Stock2003-05-204S0125227.35D504448DCommon Stock2003-05-204S020027.37D504248DCommon Stock2003-05-204S030027.38D503948DCommon Stock2003-05-204S0455027.4D499398DCommon Stock2003-05-204S010027.41D499298DCommon Stock2003-05-204S0250027.45D496798DCommon Stock2003-05-204S015027.46D496648DCommon Stock2003-05-204S044827.48D496200DCommon Stock2003-05-204S0100027.49D495200DMichael Larson as Manager of Cascade Investment, L.L.C. and on behalf of William H. Gates III. Authorized under power of attorney dated 3/14/2001 by William H. Gates III, filed on 3/19/2001 with Cascade's Schedule 13D, SEC File No. 005-52919.2003-05-22