TriCo Bancshares announced unaudited consolidated earnings results for the fourth quarter and year ended December 31, 2013. For the quarter, the company's net interest income was $26.3 million compared with $24.8 million a year ago. The $1,601,000 increase in net interest income from the year-ago quarter ended December 31, 2012 is primarily due to a $1,197,000 increase in interest income from investment securities that was primarily due to a $161,950,000 increase in the average balance of investment securities from the year-ago quarter. Income before taxes was $8.6 million compared with $8.1 million a year ago. Net income was $5.2 million or $0.32 per diluted share compared with $4.7 million or $0.29 per diluted share a year ago. As on December 31, 2013, the company's book value per common share was $15.61 and tangible book value per common share was $14.59. Return on average total assets was 0.78% compared with 0.74% a year ago. Return on average equity was 8.41% compared with 8.20% a year ago.

Diluted earnings per share for the years ended December 31, 2013 and 2012 were $1.69 and $1.18, respectively, on earnings of $27,399,000 and $18,944,000, respectively.

The company announced loans charged-off $1.84 million for the fourth quarter ended December 31, 2013.