SAN RAFAEL, Calif., Feb. 21, 2013 (GLOBE NEWSWIRE) -- Westamerica Bancorporation (Nasdaq:WABC) is scheduled to participate in the Keefe, Bruyette & Woods 2013 Boston Bank Conference. David Payne, President, Chairman, and CEO, will make a presentation beginning at 8:45 a.m. ET on Wednesday, February 27, 2013. Investors and the public can access the presentation via a webcast at http://www.wsw.com/webcast/kbw9 . Westamerica Bancorporation, through its wholly owned subsidiary, Westamerica Bank, operates banking and trust offices throughout Northern and Central California. The Westamerica Bancorporation logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=3638 Westamerica Bancorporation Web Address: www.westamerica.com FORWARD-LOOKING INFORMATION: The following appears in accordance with the Private Securities Litigation Reform Act of 1995: This press release may contain forward-looking statements about the Company, including descriptions of plans or objectives of its management for future operations, products or services, and forecasts of its revenues, earnings or other measures of economic performance. Forward-looking statements can be identified by the fact that they do not relate strictly to historical or current facts. They often include the words "believe," "expect," "anticipate," "intend," "plan," "estimate," or words of similar meaning, or future or conditional verbs such as "will," "would," "should," "could," or "may." Forward-looking statements, by their nature, are subject to risks and uncertainties. A number of factors — many of which are beyond the Company's control — could cause actual conditions, events or results to differ significantly from those described in the forward-looking statements. The Company's most recent reports filed with the Securities and Exchange Commission, including the annual report for the year ended December 31, 2011 filed on Form 10-K and quarterly report for the quarter ended September 30, 2012 filed on Form 10-Q, describe some of these factors, including certain credit, interest rate, operational, liquidity and market risks associated with the Company's business and operations. Other factors described in these reports include changes in business and economic conditions, competition, fiscal and monetary policies, disintermediation, legislation including the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2011, the Sarbanes-Oxley Act of 2002 and the Gramm-Leach-Bliley Act of 1999, and mergers and acquisitions.