JOINT FILING AGREEMENT
EXHIBIT 1 JOINT FILING AGREEMENT The undersigned hereby agree to the joint filing of the Schedule 13G to which this Agreement is attached. Dated: February 13, 2002 ARTISAN INVESTMENT CORPORATION for itself and as general partner of ARTISAN PARTNERS LIMITED PARTNERSHIP By: /s/ Xxxxxx X. Xxxxxxx -------------------------- Xxxxxx X. Xxxxxxx President XXXXXX X. XXXXXXX /s/ Xxxxxx X. Xxxxxxx ----------------------------- XXXXXXX XXXXXX XXXXXXX /s/ Xxxxxxx Xxxxxx Xxxxxxx -----------------------------