 SAN ANTONIO, May 14, 2021 PRNewswire -- Clear Channel Outdoor Holdings, Inc. NYSE: CCO the Company announced today that its board of directors the Board unanimously approved an amendment to the Companys existing shareholder rights plan the Rights Plan pursuant to which the expiration date has been extended from today to April 15, 2022. All other terms and conditions of the Rights Plan adopted in May 2020 remain unchanged. 