Cartón de Colombia S.A. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was COP 304,225 million compared to COP 294,270 million a year ago. Operating income was COP 18,814 million compared to COP 19,862 million a year ago. Net income was COP 17,565 million compared to COP 10,990 million a year ago.