Attached files

file filename
10-K - FORM 10-K - WESTAMERICA BANCORPORATIONc96871e10vk.htm
EX-21 - EXHIBIT 21 - WESTAMERICA BANCORPORATIONc96871exv21.htm
EX-31.2 - EXHIBIT 31.2 - WESTAMERICA BANCORPORATIONc96871exv31w2.htm
EX-32.2 - EXHIBIT 32.2 - WESTAMERICA BANCORPORATIONc96871exv32w2.htm
EX-31.1 - EXHIBIT 31.1 - WESTAMERICA BANCORPORATIONc96871exv31w1.htm
EX-3.(B) - EXHIBIT 3(B) - WESTAMERICA BANCORPORATIONc96871exv3wxby.htm
EX-23.(A) - EXHIBIT 23(A) - WESTAMERICA BANCORPORATIONc96871exv23wxay.htm
EXHIBIT 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Annual Report of Westamerica Bancorporation (the “Company”) on Form 10-K for the period ending December 31, 2009 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David L. Payne, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:
(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
     
/s/ David L. Payne
 
David L. Payne
   
Chairman, President and Chief Executive Officer
   
Dated: February 26, 2010