First Financial Bankshares Inc. announced unaudited consolidated earnings results for the fourth quarter and full year ended December 31, 2017. For the quarter, the company announced interest income of $63,456,000 compared to $57,979,000 for the same period a year ago. Net interest income was $60,894,000 compared to $56,536,000 for the same period a year ago. Net interest income after provision for loan losses was $59,454,000 compared to $54,543,000 for the same period a year ago. Net income before income taxes was $37,660,000 compared to $34,274,000 for the same period a year ago. Net income was $36,143,000 compared to $26,666,000 for the same period a year ago. Net income per common share, basic and diluted was $0.54 compared to $0.40 for the same period a year ago. Book value per share was $13.93 compared to $12.68 for the same period a year ago. Return on average assets was 2.02% compared to 1.59% for the same period a year ago. Return on average equity was 15.79% compared to 12.44% for the same period a year ago. For the full year, the company announced interest income of $245,975,000 compared to $232,288,000 for the same period a year ago. Net interest income was $236,687,000 compared to $226,837,000 for the same period a year ago. Net interest income after provision for loan losses was $230,157,000 compared to $216,625,000 for the same period a year ago. Net income before income taxes was $147,188,000 compared to $135,927,000 for the same period a year ago. Net income was $120,371,000 compared to $104,774,000 for the same period a year ago. Net income per common share, basic and diluted was $1.81 compared to $1.59 per diluted share for the same period a year ago. Return on average assets was 1.72% compared to 1.59% for the same period a year ago. Return on average equity was 13.63% compared to 12.36% for the same period a year ago.