Tenaris S.A. Announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was USD 1,181.789 million compared to USD 1,762.311 million a year ago. Operating income was USD 51.591 million compared to operating loss of USD 509.545 million a year ago. Net income was USD 106.346 million compared to net loss of USD 660.068 million a year ago.