Murphy USA Inc. announced earnings results for the fourth quarter ended December 31, 2018. For the fourth quarter, the company announced total revenue was USD 3,501.7 million compared to USD 3,379.5 million a year ago. Operating income was USD 113 million compared to USD 64.6 million a year ago. Net income was USD 77.5 million compared to USD 124.8 million a year ago. Basic earnings per share was USD 2.4 compared to USD 3.62 a year ago. Diluted earnings per share was USD 2.38 compared to USD 3.58 a year ago.