Prime Oil Chemical Service Corporation announced earnings results for the first quarter ended March 31, 2019. For the first quarter, the company announced sales was TWD 127.488 million compared to TWD 101.709 million a year ago. Operating income was TWD 43.980 million compared to TWD 24.784 million a year ago. Net income was TWD 32.266 million compared to TWD 20.958 million a year ago. Basic earnings per share was TWD 0.47 compared to TWD 0.3 a year ago. Diluted earnings per share was TWD 0.46 compared to TWD 0.3 a year ago.