X0201 4 2003-10-17 0 0000351710 GBC BANCORP GBCB 0001186021 WANG CATHY 18968 AMBERLY PLACE ROWLAND HEIGHTS CA 91748 0 1 0 0 Senior Vice President Common Stock 2003-10-17 4 M 0 2129 0 A 2129 D Stock Option 27.13 2003-10-17 4 M 0 1000 23.17 D 1998-07-15 2004-01-14 Common Stock 1000 0 D Stock Option 23 2003-10-17 4 M 0 2000 23 D 1999-07-21 2005-01-20 Common Stock 2000 0 D Stock Option 19.44 2003-10-17 4 M 0 2400 19.44 D 2000-07-20 2006-01-19 Common Stock 2400 0 D Stock Option 37.56 2003-10-17 4 M 0 3000 37.56 D 2001-07-18 2007-01-17 Common Stock 3000 0 D Stock Option 29.4 2003-10-17 4 M 0 3000 29.4 D 2002-07-17 2008-01-16 Common Stock 3000 0 D Represents the number of shares acquired on "cashless" exercise of stock options immediately prior to the merger between GBC Bancorp and Cathay Bancorp, Inc. (the "Merger") in accordance with the formulas provided in the Agreement and Plan of Merger among General Bank, GBC Bancorp, Cathay Bank and Cathay Bancorp, Inc. (the "Merger Agreement"). These securities were acquried at various option exercise prices indicated under Column 8 regarding derivative securities on page 2 of this form. Cathy C Wang 2003-10-22