X0202 5 2004-12-31 0 0 1 0001027258 AMEGY BANCORPORATION, INC. ABNK 0001187174 ROBERTSON WILHELMINA A C/O AMEGY BANCORPORATION, INC. 4400 POST OAK PARKWAY HOUSTON TX 77027 1 0 0 0 Common Stock, $1.00 par value 1997-04-01 4 G 0 L 182148 0 A 182148 I Family Partnership Common Stock, $1.00 par value 213800 D Common Stock, $1.00 par value 650540 I Family Trust In May 1998, the issuer declared a 2-for-1 stock dividend on its common stock. In July 2004, the issuer declared a 2-for-1 stock dividend on its common stock. The amounts reported reflect the effect of such dividends. The reporting person disclaims beneficial ownership of the common stock held by the WCR Family Limited Partnership, except to the extent of her pecuniary interest therein. /s/ Loretta Riggsby, attorney-in-fact 2005-05-24