X0201 4 2003-10-20 0 0001011659 UNIONBANCAL CORP UB 0001185948 WALKER ROBERT M 400 CALIFORNIA STREET SAN FRANCISCO CA 94104 1 0 0 0 Common Stock 2003-10-20 4 M 0 15000 22.125 A 15000 I by trust Common Stock 2003-10-20 4 M 0 18000 18.2917 A 18000 I by trust Common Stock 2003-10-20 4 S 0 33000 52.00 D 0 I by trust Common Stock 51900 I by trust Common Stock 168.3059 I by 401(k) Non-qualified Stock Option 18.2917 2003-10-20 4 M 0 18000 D 2006-03-29 Common Stock 18000 0 I by trust Non-qualified Stock Option 22.125 2003-10-20 4 M 0 15000 D 2007-06-01 Common Stock 15000 0 I by trust Robert and Judith Walker Trust Shares held in the Union Bank of California 401(k) Plan as of 09/30/03. Option vested in three equal annual installments on 03/29/97, 03/29/98, 03/29/99 Option vested in three equal annual installments on 06/01/98, 06/01/99, 06/01/00 Not Applicable Robert M. Walker 2003-10-21