X0101 42003-05-13 0000912603 SCHNITZER STEEL INDUSTRIES INC SCHN0001052192 CASCADE INVESTMENT LLC 00100000902012 GATES WILLIAM H III 0010Common Stock2003-05-134S0250027.5D563600DCommon Stock2003-05-134S010027.51D563500DCommon Stock2003-05-134S0330027.52D560200DCommon Stock2003-05-134S0610027.55D554100DCommon Stock2003-05-134S010027.56D554000DCommon Stock2003-05-134S020027.57D553800DCommon Stock2003-05-134S010027.58D553700DCommon Stock2003-05-134S080027.59D552900DCommon Stock2003-05-134S060027.62D552300DCommon Stock2003-05-134S030027.63D552000DCommon Stock2003-05-134S040027.65D551600DCommon Stock2003-05-134S020027.68D551400DMichael 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. 005-52919.2003-05-15