Clear Channel Outdoor Holdings, Inc. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was USD 370.908 million compared to USD 550.809 million a year ago. Operating loss was USD 224.913 million compared to USD 164.413 million a year ago. Net loss was USD 332.353 million compared to USD 277.491 million a year ago.