United States Department of the Treasury 1500 Pennsylvania Avenue, NW Washington, D.C. 20220 Westamerica Bancorporation 1108 Fifth Avenue San Rafael, California 94901 Ladies and Gentlemen:Westamerica Bancorporation • February 19th, 2009 • National commercial banks • California
Reference is made to that certain Letter Agreement incorporating the Securities Purchase Agreement – Standard Terms dated of even date herewith (the “Securities Purchase Agreement”) by and among United States Department of Treasury (“Investor”) and Westamerica Bancorporation (“Company”). Investor and Company desire to set forth herein certain additional agreements regarding Company’s commitment to the holder of the Preferred Shares after the closing of the transactions contemplated by the Securities Purchase Agreement. Terms that are defined in the Securities Purchase Agreement are used in this letter agreement as so defined.
