SAN RAFAEL, Calif., Dec. 18, 2025 (GLOBE NEWSWIRE) -- The Board of Directors of Westamerica Bancorporation (NASDAQ: WABC) today approved a plan to repurchase, as conditions warrant, up to 2,000,000 shares of the Company's common stock on the open market or in privately negotiated transactions prior to December 31, 2026. The repurchase plan represents approximately 8.0 percent of the Company's common stock outstanding as of September 30, 2025.