RDC Semiconductor Co., Ltd. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was TWD 186.417 million compared to TWD 75.258 million a year ago. Operating income was TWD 94.506 million compared to TWD 635,000 a year ago. Net income was TWD 93.307 million compared to TWD 1.447 million a year ago. Basic earnings per share from continuing operations was TWD 1.38 compared to TWD 0.02 a year ago.