Companhia Siderúrgica Nacional announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced total revenue was BRL 11,913.328 million compared to BRL 5,334.653 million a year ago. Operating income was BRL 7,177.060 million compared to BRL 95.633 million a year ago. Net income was BRL 5,697.313 million compared to net loss of BRL 1,311.709 million a year ago.