Inter-Rock Minerals Inc. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was USD 17.849 million compared to USD 14.446 million a year ago. Net income was USD 406,000 compared to USD 678,000 a year ago. Basic earnings per share from continuing operations was USD 0.02 compared to USD 0.03 a year ago. Diluted earnings per share from continuing operations was USD 0.01 compared to USD 0.02 a year ago.