Hydrapres S.A. Announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced total revenue was PLN 839.338 million compared to PLN 760.968 million a year ago. Operating income was PLN 18.844 million compared to PLN 70.285 million a year ago. Net income was PLN 19.474 million compared to PLN 67.371 million a year ago.