Westamerica Bancorporation announced unaudited earnings results for fourth quarter and full year ended December 31, 2017. For the quarter, the company reported net interest and fee income of $36,644,000, income before taxes of $26,777,000, net income of $4,160,000, basic and diluted earnings per common share of $0.16, return on assets of 0.30%, return on common equity of 2.7% compared to the net interest and fee income of $35,959,000, income before taxes of $22,927,000, net income of $14,453,000, basic and diluted earnings per common share of $0.56, return on assets of 1.07%, return on common equity of 10.3% for the same quarter a year ago. For the year, the company reported net interest and fee income of $144,118,000, income before taxes of $99,354,000, net income of $50,025,000, diluted earnings per common share of $1.89, return on assets of 0.92%, return on common equity of 8.4% compared to the net interest and fee income of $145,077,000, income before taxes of $93,099,000, net income of $58,853,000, diluted earnings per common share of $2.29, return on assets of 1.12%, return on common equity of 10.9% for the previous year.