EX-99.B 4 u98106ex99-b.txt AGREEMENT RELATING TO JOINT FILING OF SC 13G EXHIBIT B AGREEMENT RELATING TO JOINT FILING OF SCHEDULE 13G The undersigned hereby agree that a single Schedule 13G (or any amendment thereto) relating to the H ordinary shares of Aluminum Corporation of China Limited shall be filed on behalf of each of the undersigned and that this Agreement shall be filed as an Exhibit to such Schedule 13G. February 8, 2002 Alcoa Inc. -------------------------- Dated By: /s/ Timothy S. Mock ------------------------------------ Name: Timothy S. Mock Title: Vice President and Controller Alcoa International Holdings Company By: /s/ John E. Wilson, Jr. ------------------------------------ Name: John E. Wilson, Jr. Title: President Alcoa International (Asia) Limited By: /s/ Stephen C. Lee ------------------------------------ Name: Stephen C. Lee Title: Vice President