Columbia Banking System Inc. announced unaudited consolidated earnings results for the fourth quarter and year ended December 31, 2018. For the fourth quarter, the company announced net interest income was USD 123.888 million compared to USD 106.224 million a year ago. Net income was USD 44.748 million compared to USD 15.728 million a year ago. Basic earnings per share was USD 0.61 compared to USD 0.23 a year ago. For the full year, net interest income was USD 478.839 million compared to USD 367.989 million a year ago. Net income was USD 172.882 million compared to USD 112.828 million a year ago. Basic earnings per share was USD 2.36 compared to USD 1.86 a year ago.