WESTAMERICA BANCORPORATION - FORM 10-Q - EX-32.2 - EXHIBIT 32.2 - CERTIFICATION OF CHIEF FINANCIAL OFFICER REQUIRED BY 18 U.S.C. SECTION 1350 - May 2, 2011

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10-Q - FORM 10-Q - WESTAMERICA BANCORPORATIONc14860e10vq.htm
EX-31.2 - EXHIBIT 31.2 - CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECURITIES EXCHANGE ACT RULE 13A-14(A)/15D-14(A) - WESTAMERICA BANCORPORATIONc14860exv31w2.htm
EX-32.1 - EXHIBIT 32.1 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER REQUIRED BY 18 U.S.C. SECTION 1350 - WESTAMERICA BANCORPORATIONc14860exv32w1.htm
EXCEL - IDEA: XBRL DOCUMENT - WESTAMERICA BANCORPORATIONFinancial_Report.xls
EX-31.1 - EXHIBIT 31.1 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECURITIES EXCHANGE ACT RULE 13A-14(A)/15D-14(A) - WESTAMERICA BANCORPORATIONc14860exv31w1.htm
EXHIBIT 32.2
CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TOSECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Quarterly Report of Westamerica Bancorporation (the Company) on Form 10-Q for the period ended March 31, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John “Robert” Thorson, Chief Financial 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/ John “Robert” Thorson
 
John “Robert” Thorson
   
Senior Vice President and Chief Financial Officer
    
Date: May 2, 2011
    

 

 

WESTAMERICA BANCORPORATION Reports