Westamerica Bancorporation Scheduled to Participate in RBC Capital Markets Financial Institutions Conference

Business Wire, Sept 18, 2002

Business Editors

SAN RAFAEL, Calif.--(BUSINESS WIRE)--Sept. 18, 2002

Westamerica Bancorporation (Nasdaq:WABC) is scheduled to participate in the RBC Capital Markets 2002 Financial Institutions Conference.

David Payne, Chairman, President and CEO, will make a presentation beginning at 7:50 a.m. EST on Thursday, September 19. Investors and the public can access the presentation via a webcast at: http://www.twst.com/econf/mm/dr8/wabc.html

Westamerica Bancorporation through its wholly owned subsidiary, Westamerica Bank, operates 90 branches and 2 trust offices throughout 23 Northern and Central California counties.

Westamerica Bancorporation Web Address: www.westamerica.com