Formosa Optical Technology Co.,Ltd. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was TWD 785.139 million compared to TWD 782.517 million a year ago. Operating income was TWD 37.220 million compared to TWD 43.861 million a year ago. Net income was TWD 76.687 million compared to TWD 55.583 million a year ago. Basic earnings per share from continuing operations was TWD 1.28 compared to TWD 0.93 a year ago. Diluted earnings per share from continuing operations was TWD 1.27 compared to TWD 0.92 a year ago.