AT semicon Co., Ltd. reported earnings results for the first quarter ended March 31, 2022. For the first quarter, the company reported sales was KRW 4,419.48 million compared to KRW 815.71 million a year ago. Net loss was KRW 15,602.44 million compared to KRW 3,579.03 million a year ago. Basic loss per share from continuing operations was KRW 511 compared to KRW 27 a year ago. Basic loss per share was KRW 511 compared to KRW 27 a year ago.