Company: CCO
Filing Date: 2025-04-10
Form Type: DEFA14A
Source: 0001193125-25-077988
Chunk: 1

Company: Clear Channel Outdoor Holdings, Inc.
Filing Date: 2025-04-10
Form: DEFA14A
Chunk 1
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�Follow the instructions on the screen to log in.                    
 Step 4: Make your selections as instructed on each screen for your delivery 
 preferences.   Step 5: Vote your shares.                                    |

When you go online, you can also help the environment by consenting to receive electronic delivery of future materials.

|        |     | 2 N O T |
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The Annual Meeting of Stockholders of Clear Channel Outdoor Holdings, Inc. will be held virtually on May 29, 2025, at 9:00 A.M. Eastern Time. Proposals to be voted on at the meeting are listed below along with the Board of Directors’ recommendations. The Board of Directors recommend a vote FORall of the director nominees listed and FORProposals 2 and 3:

| 1. | Election of the following director nominees: John Dionne, Lisa Hammitt, Andrew Hobson, Timothy (Tim) P. Jones, 
 Thomas C. King, Joe Marchese, W. Benjamin Moreland, Scott R. Wells, Raymond (Ted) T. White, and Jinhy Yoon     |

| 2. | Approval of the advisory (non-binding) resolution on executive compensation |

PLEASE NOTE - YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must go online or request a paper copy of the proxy materials to receive a proxy card. The 2025 Annual Meeting of Stockholders of Clear Channel Outdoor Holdings, Inc. will be held on Thursday, May 29, 2025 at 9:00 am Eastern Time, virtually via the Internet at meetnow.global/M6MCPMQ. To access the virtual meeting, you must have the information that is printed in the shaded bar located on the reverse side of this form.

| Here’s how to order a copy of the proxy materials and select delivery preferences: 
 Current and future delivery requests can be submitted using the options below.     
 If you request an email copy, you will receive an email with a link to the current 
 meeting materials.   PLEASE NOTE: You must use the number in the shaded bar on     
 the reverse side when requesting a copy of the proxy materials.                    |     |                                                                                                                                                                                                                        |
| –                                                                                  |     | Internet - Go to www.envisionreports.com/cco. Click Cast Your Vote or Request Materials.                                                                                                                               |
| –                                                                                  |     | Phone - Call us free of charge at 1