TTET Union Corporation announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was TWD 4,842.731 million compared to TWD 4,073.683 million a year ago. Operating income was TWD 563.762 million compared to TWD 327.369 million a year ago. Net income was TWD 488.560 million compared to TWD 266.198 million a year ago. Basic earnings per share was TWD 3.05 compared to TWD 1.66 a year ago.