Minsur S.A. Announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was USD 248.741 million compared to USD 161.510 million a year ago. Operating income was USD 109.999 million compared to USD 32.065 million a year ago. Net income was USD 77.282 million compared to net loss of USD 49.081 million a year ago.