Marten Transport Ltd. announced unaudited consolidated earnings results for the fourth quarter and full year ended December 31, 2012. For the quarter, the company reported operating revenue of $166,412,000 against $158,340,000 in the same period of last year. Operating income was $13,211,000 against $12,951,000 in the same period of last year. Income before income taxes was $13,219,000 against $12,969,000 in the same period of last year. Income before income taxes attributable to the company was $13,189,000 against $12,870,000 in the same period of last year. Diluted earnings per common share were $0.35 against $0.35 in the same period of last year. Net cash provided by operating activities was $22,750,000 against $25,462,000 in the same period of last year.

For the full year, the company reported operating revenue of $638,456,000 against $603,679,000 in the same period of last year. Operating income was $45,853,000 against $43,030,000 in the same period of last year. Income before income taxes was $45,901,000 against $43,054,000 in the same period of last year. Income before income taxes attributable to the company was $45,404,000 against $42,247,000 in the same period of last year. Net income was $27,267,000 against $24,285,000 in the same period of last year. Diluted earnings per common share were $1.23 against $1.10 in the same period of last year. Net cash provided by operating activities was $85,539,000 against $86,206,000 in the same period of last year. The company announced that it is encouraged by the continued solid results which are driven by the ongoing profitable development and growth of the regional, intermodal, brokerage and MRTN de Mexico operations in collaborative relationships with the customers.