SDI Corporation announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was TWD 2,452.214 million compared to TWD 1,939.815 million a year ago. Operating income was TWD 267.638 million compared to TWD 68.215 million a year ago. Net income was TWD 185.031 million compared to TWD 48.580 million a year ago. Basic earnings per share was TWD 1.02 compared to TWD 0.27 a year ago.