Company Update

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): August 27, 2010 Westamerica Bancorporation __________________________________________ (Exact name of registrant as specified in its charter) California 001-9383 94-2156203 _____________________ (State or other jurisdiction _____________ (Commission ______________ (I.R.S. Employer of incorporation) File Number) Identification No.) 1108 Fifth Avenue, San Rafael, California 94901 _________________________________ (Address of principal executive offices) ___________ (Zip Code) Registrant’s telephone number, including area code: (707) 863-6000 Not Applicable ______________________________________________ Former name or former address, if changed since last report Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Top of the Form Item 8.01 Other Events. On August 26, 2010, Westamerica Bancorporation issued a press release announcing a stock repurchase plan. On August 27, 2010, Westamerica Bancorporation filed a Form 8-K with the Securities and Exchange Commission containing such press release in Exhibit 99.1. The press release stated "This plan replaces the existing two million-share stock repurchase program, under which 1.7 million shares remained available to purchase as of June 30, 2009." Westamerica is amending such statement to read "This plan replaces the existing two million-share stock repurchase program, under which 1.7 million shares remained available to purchase as of June 30, 2010." Top of the Form SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Westamerica Bancorporation August 30, 2010 By: John “Robert” Thorson Name: John “Robert” Thorson Title: Senior Vice President and Chief Financial Officer