 SAN ANTONIO, May 10, 2021 PRNewswire -- Clear Channel Outdoor Holdings, Inc. NYSE: CCO the Company today reported financial results for the quarter ended March 31, 2021. During the first quarter, we continued to execute on our strategy to maximize the revenue potential of our global portfolio and optimize our ability to take full advantage of the economic recovery, said William Eccleshare, Chief Executive Officer of Clear Channel Outdoor Holdings, Inc. Our financial results were in line with our expectations and reflect the continued impact of the pandemic on global advertising spend coupled with a tough comparison against our strong performance in the comparable period last year. 