National Petroleum Co., Ltd. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced total revenue was TWD 5,040.299 million compared to TWD 4,984.989 million a year ago. Operating income was TWD 262.421 million compared to TWD 152.505 million a year ago. Net income was TWD 238.355 million compared to TWD 147.139 million a year ago. Basic earnings per share was TWD 0.77 compared to TWD 0.48 a year ago. Diluted earnings per share was TWD 0.77 compared to TWD 0.47 a year ago.