American National Bankshares Inc. reported unaudited consolidated earnings results for the fourth quarter and full year ended December 31, 2011. For the fourth quarter, the company reported net income available to common shareholders of $4,600,000 or $0.59 per basic and diluted share compared to net income available to common shareholders of $1,851,000 or $0.30 per basic and diluted share last year. Earnings for the fourth quarter of 2011 and for the year were favorably impacted by the July 1, 2011, merger between American National and MidCarolina Financial Corporation. Total interest and dividend income was $17.18 million compared to $8.89 million last year. Net interest income was $14.86 million compared to $6.69 million last year. Income before income taxes was $6.85 million compared to $2.64 million last year. Book value per common share was $19.58 compared to $17.64 for the same date in 2010. Tangible book value per common share was $13.86, compared to $13.76 for the same date in 2010. Return on average assets was 1.42% compared to 0.88% last year. Return on average equity was 12.28% compared to 6.69% last year. Return on tangible equity was 18.77% compared to 8.83% last year. For the full year, the company reported net income available to common shareholders of $11,468,000 or $1.64 per basic and diluted share compared to net income available to common shareholders of $8,278,000 or $1.35 per basic and diluted share last year. Book value per common share was $19.58 at December 31, 2011, compared to $17.64 for the same date in 2010. Tangible book value per common share was $13.86 at December 31, 2011, compared to $13.76 for the same date in 2010. Total interest and dividend income was $49.19 million compared to $35.93 million last year. Net interest income was $40.41 million compared to $27.21 million last year. Income before income taxes was $16.48 million compared to $11.46 million last year. Return on average assets was 1.07% compared to 1.00% last year. Return on average equity was 8.88% compared to 7.59% last year. Return on tangible equity was 12.97% compared to 10.05% last year.