Locations | Careers | Contact Us Search for: Business Personal About Us Access Your Account Branch Locations Alameda County Contra Costa County Fresno County Kern County Kings County Lake County Madera County Marin County Mariposa County Mendocino County Merced County Napa County Nevada County Sacramento County San Francisco County Solano County Sonoma County Stanislaus County Tulare County Tuolumne County CORPORATE HEADQUARTERS Westamerica Bancorporation and Subsidiary Bank Headquarters 1108 Fifth Avenue San Rafael, CA 94901 (415) 257-8000 Business Business Online Banking Business Checking Business Savings Business Credit Cards Business Loans and Credit Business Services Personal Personal Online Banking Personal Checking Personal Savings Consumer Credit Cards Personal Loans and Credit Personal Services Info Privacy Policies Patriot Act Policy Web Accessibility Westamerica Bank Corporate Headquarters 1108 Fifth Avenue San Rafael, CA 94901 (800) 848-1088 Routing Number 121140218 Equal Housing Lender | Equal Opportunity Employer | Member FDIC Copyright © 2021 Westamerica Bancorporation. All Rights Reserved.

Locations | Careers | Contact Us Search for: Business Personal About Us Access Your Account Shareholder Information Annual Report Copies Westamerica Bancorporation will provide its security holders, without charge, a copy of its 2020 Annual Report on Form 10-K, including the financial statements and schedules thereto, as filed with the Securities and Exchange Commission. Requests for copies of this annual report should be directed to: Westamerica Bancorporation Investor Relations, A-2B Post Office Box 1250, Suisun City, CA 94585-1250 Telephone (707) 863-6992, E-mail: investments@westamerica.com Dividend Reinvestment Westamerica Bancorporation offers a dividend reinvestment program whereby registered shareholders may reinvest their dividends in shares of the Company. Information concerning this optional program is available from: Computershare Investor Services LLC Telephone (877) 588-4258 (Toll-free) Notice of Annual Meeting The Westamerica Bancorporation Annual Meeting was held on Thursday, April 22, 2021 at 10:00 a.m, at Westamerica Bancorporation, 4550 Mangels Blvd., Fairfield, California 94534. Stock Listing The NASDAQ Stock Market, Symbol: WABC Transfer Agent Computershare Investor Services LLC Telephone (877) 588-4258 (Toll-free) www.computershare.com/investor SHAREHOLDERS Reports SEC Filings Officers and Directors Financial Press Releases FAQs Stock Quote Business Business Online Banking Business Checking Business Savings Business Credit Cards Business Loans and Credit Business Services Personal Personal Online Banking Personal Checking Personal Savings Consumer Credit Cards Personal Loans and Credit Personal Services Info Privacy Policies Patriot Act Policy Web Accessibility Westamerica Bank Corporate Headquarters 1108 Fifth Avenue San Rafael, CA 94901 (800) 848-1088 Routing Number 121140218 Equal Housing Lender | Equal Opportunity Employer | Member FDIC Copyright © 2021 Westamerica Bancorporation. All Rights Reserved.