EX-11 2 0002.txt Exhibit 11 WESTAMERICA BANCORPORATION Computation of Earnings Per Share on Common and Common Equivalent Shares and on Common Shares Assuming Full Dilution ---------------------------------------------------------------------------------------- (In thousands, except per share data) 2000 1999 1998 ---------------------------------------------------------------------------------------- Weighted average number of common shares outstanding - basic 36,410 38,588 41,797 Add exercise of options reduced by the number of shares that could have been purchased with the proceeds of such exercise 526 606 727 ---------------------------------------------------------------------------------------- Weighted average number of common shares outstanding - diluted 36,936 39,194 42,524 ======================================================================================== Net income $79,779 $76,088 $73,396 Basic earnings per share $2.19 $1.97 $1.76 Diluted earnings per share 2.16 1.94 1.73 ========================================================================================