EX-99 3 artex1.txt EXHIBIT 1 JOINT FILING AGREEMENT The undersigned hereby agree to the joint filing of the Schedule 13G to which this Agreement is attached. Dated: January 31, 2003 ARTISAN INVESTMENT CORPORATION for itself and as general partner of ARTISAN PARTNERS LIMITED PARTNERSHIP By: /s/ Lawrence A. Totsky --------------------------- Lawrence A. Totsky Chief Financial Officer ANDREW A. ZIEGLER Andrew A. Ziegler* -------------------------------- *By: /s/ Lawrence A. Totsky --------------------------- Lawrence A. Totsky Attorney-in-Fact CARLENE MURPHY ZIEGLER Carlene Murphy Ziegler* -------------------------------- *By: /s/ Lawrence A. Totsky --------------------------- Lawrence A. Totsky Attorney-in-Fact