SEC Form DEFA14A filed by SuRo Capital Corp.

Get informed before you vote *If you choose to vote these shares in person at the meeting, you must request a “legal proxy.” To do so, please follow the instructions at www.ProxyVote.com or request a paper copy of the materials, which will contain the appropriate instructions. 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 Your Vote Counts! FLASHID-JOB# For complete information and to vote, visit www.ProxyVote.com Control # Ricky Campana P.O. Box 123456 Suite 500 51 Mercedes Way Edgewood, NY 11717 148,294 322,224 1 OF 2 30# Hextone, Inc. P.O. Box 9142 Farmingdale, NY 11735 XXXX XXXX XXXX XXXX SURO CAPITAL CORP. 2025 Annual Meeting Vote by May 27, 2025 11:59 PM ET You invested in SURO CAPITAL CORP. 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 material for the shareholder meeting to be held on May 28, 2025. View the Notice & Proxy Statement, Form 10-K online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 14, 2025. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to [email protected]. 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. Vote in Person at the Meeting* May 28, 2025 9:00 AM EDT Eversheds Sutherland (US) LLP The Grace Building 1114 Sixth Avenue, 40th Floor New York, NY 10036

Voting Items Board Recommends THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming shareholder meeting. Please follow the instructions on the reverse side to vote these important matters. Vote at www.ProxyVote.com FLASHID-JOB# Control # XXXX XXXX XXXX XXXX 1.00000 322,224 148,294 Under New York Stock Exchange rules, brokers may vote “routine” matters at their discretion if your voting instructions are not communicated to us at least 10 days before the meeting. We will nevertheless follow your instructions, even if the broker’s discretionary vote has already been given, provided your instructions are received prior to the meeting date. SURO CAPITAL CORP. 2025 Annual Meeting Vote by May 27, 2025 11:59 PM ET 1. Election of Directors Nominees: 01) Ronald M. Lott 02) Marc Mazur For 2. To provide an advisory non-binding vote to approve executive compensation. For 3. To recommend, in a non-binding vote, the frequency of an advisory vote to approve the compensation of the Company's named executive officers; Year 4. To approve the amendment and restatement of the SuRo Capital Corp. Amended and Restated 2019 Equity Incentive Plan. For 5. To ratify the selection of CBIZ CPAs P.C.to serve as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2025. For NOTE: In their discretion, the proxies are authorized to vote on any other matters that may come before the meeting on which action can properly be taken, including any adjournments thereof.