Koza Altin Isletmeleri A.S. Announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was TRY 848.798 million compared to TRY 695.593 million a year ago. Operating income was TRY 404.715 million compared to TRY 367.439 million a year ago. Net income was TRY 661.973 million compared to TRY 393.938 million a year ago.