Kirby Corporation reported unaudited consolidated earnings results for the first quarter ended March 31, 2021. For the quarter, total revenues were $496,850,000 against $643,926,000 reported a year ago. Operating income were $3,164,000 against loss of $509,696,000 reported a year ago. Net loss was $3,120,000 against $346,963,000 reported a year ago. Basic loss per share is $0.06 against $5.80 reported a year ago.