CCO - Clear Channel Outdoor Holdings Inc. 2021 Q1 - Results - Earnings Call Presentation May, 10 2021 11:11 AM Clear Channel Outdoor Holdings Inc. Class A The following slide deck was published by Clear Channel Outdoor Holdings, Inc. in conjunction with their 2021 Q1 earnings call. For further details see: Clear Channel Outdoor Holdings, Inc. 2021 Q1 - Results - Earnings Call Presentation