First Financial Bankshares Inc. reported unaudited consolidated earnings results for the fourth quarter and full year ended December 31, 2012. For the quarter, the company reported net income before income taxes of $24,425,000, net income of $18,318,000 or $0.58 diluted per share on net interest income of $38,752,000 against net income before income taxes of $23,498,000, net income of $17,466,000 or $0.55 diluted per share on net interest income of $38,184,000 for the same period a year ago. Return on average assets of 1.68% against 1.74% for the same period a year ago. Return on average equity of 13.09% against 13.88% for the same period a year ago.

For the year, the company reported net income before income taxes of $99,360,000, net income of $74,225,000 or $2.36 diluted per share on net interest income of $154,684,000 against net income before income taxes of $92,185,000, net income of $68,369,000 or $2.17 diluted per share on net interest income of $151,997,000 for the same period a year ago. Return on average assets of 1.75% against 1.78% for the same period a year ago. Return on average equity of 13.85% against 14.44% for the same period a year ago. Book value per share was $17.68 against $16.16 for the same period a year ago.

The company reported net charge-offs was $735,000 against $1,207,000 for the same period a year ago.