ARCC Ares Capital Corporation

Your Vote Counts! ARES CAPITAL CORPORATION 2024 Annual Meeting Vote by May 9, 2024 11:59 PM ET You invested in ARES CAPITAL CORPORATION and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy materials for the annual stockholders meeting to be held on May 10, 2024. Vote Virtually at the Meeting* May 10, 2024 10:00 AM EDT Virtually at: www.virtualshareholdermeeting.com/ARCC2024 *Please check the meeting materials for any special requirements for meeting attendance. Smartphone users Point your camera here and vote without entering a control number For complete information and to vote, visit www.ProxyVote.com Control # V35097-P07612 Get informed before you vote View the Notice and Proxy Statement, Form 10-K and Privacy Notice online OR you can receive a free paper or email copy of the material(s) by requesting prior to April 26, 2024. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. ARES CAPITAL CORPORATION 245 PARK AVENUE 44TH FLOOR NEW YORK, NY 10167

Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”. Voting Items Board Recommends V35098-P07612 THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming annual stockholders meeting. Please follow the instructions on the reverse side to vote these important matters. Vote at www.ProxyVote.com 1. Election of Directors Nominees: 1a. Mary Beth Henson* For 1b. Michael K. Parks* For 1c. Michael L. Smith* For * To elect the person (except as marked to the contrary) as a Class II director of the Company to serve until the 2027 Annual Meeting of Stockholders and until his/her successor is duly elected and qualifies. 2. To ratify the selection of KPMG LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2024. For 3. To vote and otherwise represent the undersigned on such other matters as may properly come before the meeting or any adjournment or postponement thereof.