ONE Group Hospitality, Inc.

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The invalidity or unenforceability of any provision of this Plan shall not affect the validity or enforceability of any other provision of this Plan, which shall remain in full force and effect, and any invalid or unenforceable provision shall be deemed replaced by a provision that is valid and enforceable and that comes closest to expressing the intention of the invalid or unenforceable provision.

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YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. 2026Vote by Internet – QUICK ★★★ EASYIMMEDIATE – 24 Hours a Day, 7 Days a Week or by MailTHE ONE GROUP HOSPITALITY, INC.Your Internet vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed and returned your proxy card.Votes submitted electronically over the Internet must be received by 11:59 p.m., Eastern Time, on May 18, 2026.INTERNET/MOBILE –www.cstproxyvote.comUse the Internet to vote your proxy.Have your proxy card available when you access the above website.Follow the prompts to vote your shares.MAIL –Mark, sign and date your proxy card and return it in the postage-paid envelope provided.PLEASE DO NOT RETURN THE PROXY CARD IF YOU ARE VOTING ELECTRONICALLY.▲ FOLD HERE – DO NOT SEPARATE – INSERT IN ENVELOPE PROVIDED ▲PROXYTHE BOARD OF DIRECTORS RECOMMENDS A VOTE “FOR” THE NOMINEES LISTED IN PROPOSAL 1,“FOR” PROPOSAL 2, “FOR” PROPOSAL 3 AND “FOR” PROPOSAL 4.1. Election of three Class I DirectorsClass I NomineesFOR NOMINEEWITHHOLD FOR NOMINEE(1) Dimitrios Angelis(2) James Chambers(3) Michael Serruya2. Proposal to ratify the appointment of Deloitte & Touche LLPas the Company’s Independent registered public accounting firm for the fiscal year ending December 27, 2026.FOR AGAINST ABSTAIN 3. Proposal to approve, by an advisory vote, the compensation of our named executive officers.FOR AGAINST ABSTAIN 4. Proposal to approve an amendment to the Company’s 2019 Equity Incentive Planto increase the number of shares issuable under the 2019 Equity Incentive Plan.FOR AGAINST ABSTAIN IMPORTANT NOTICETHE PROXIES ARE AUTHORIZED TO VOTE UPON SUCH OTHER BUSINESS AS MAY PROPERLY COME BEFORE THE MEETING OR ANY ADJOURNMENT THEREOF.To change the address on your account, please check the box at right and indicate your new address in the address space above. Please note that changes to the registered name(s) on the account may not be submitted via this method.PLEASE REPRESENT THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED AS DIRECTED BY THE UNDERSIGNED.If no direction is given, the shares represented will be voted “FOR” THE NOMINEES LISTED IN PROPOSAL 1, “FOR” PROPOSAL 2, “FOR” PROPOSAL 3, AND “FOR” PROPOSAL 4, AND IN ACCORDANCE WITH THE PROXIES’ DISCRETION ON SUCH OTHER BUSINESS THAT MAY PROPERLY COME BEFORE THE MEETING.CONTROL NUMBERSignature: ___________________________ Signature, if held jointly: ___________________________Date: ______________________ , 2026Note: Please sign exactly as name appears hereon. When shares are held by joint owners, both should sign. When signing as attorney, executor, administrator, trustee, guardian or corporate officer, please give title as such.

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THE ONE GROUP HOSPITALITY, INC.1624 Market St. Suite 311Denver, CO 802022026IMPORTANT NOTICE REGARDING THE AVAILABILITYOF PROXY MATERIALS FOR THE ANNUAL MEETING OFSTOCKHOLDERS TO BE HELD ON MAY 19, 2026The Notice of Annual Meeting, Proxy Statement and 2025 Annual Reportare available on the Company’s website at:https://ir.togrp.com/sec-filings▲ FOLD HERE – DO NOT SEPARATE – INSERT IN ENVELOPE PROVIDED ▲PROXYTHIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORSTHE ONE GROUP HOSPITALITY, INC.PROXY FOR THE ANNUAL MEETING OF STOCKHOLDERSTO BE HELD MAY 19, 2026THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS OFTHE ONE GROUP HOSPITALITY, INC.The undersigned, having received notice of the meeting and the proxy statement of THE ONE GROUP HOSPITALITY, INC. (the “Company”), and revoking all prior proxies, hereby appoints Emanuel Hilario, Nicole Thang and Christi Hing, and each of them, as proxies or proxy of the undersigned (with full power of substitution in them and each of them) for and in the name(s) of the undersigned to attend the Annual Meeting of Stockholders of the Company to be held at STK, 1550 Market St., Denver, CO 80202, on Tuesday, May 19, 2026 at 11:00 a.m. local time, and at any adjournment sessions thereof, and there to vote on the matters in respect of all shares of stock of the Company which the undersigned is entitled to vote as specified below with all the powers the undersigned would possess if personally present.PLEASE VOTE, DATE, AND SIGN ON THE REVERSE SIDE AND RETURN PROMPTLY IN THE ENCLOSED ENVELOPE.Comments:(Continued and to be marked, dated and signed, on the reverse side)