Stamps.Com Inc. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced total revenue was USD 189.090 million compared to USD 151.346 million a year ago. Operating income was USD 44.321 million compared to USD 24.171 million a year ago. Net income was USD 34.244 million compared to USD 16.494 million a year ago. Basic earnings per share from continuing operations was USD 1.86 compared to USD 0.97 a year ago. Diluted earnings per share from continuing operations was USD 1.74 compared to USD 0.91 a year ago.