Signature [PLEASE SIGN WITHIN BOX] Date Signature (Joint Owners) Date TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS: KEEP THIS PORTION FOR YOUR RECORDS DETACH AND RETURN THIS PORTION ONLYTHIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED. V88782-P47410 1a. K. Don Cornwell 1b. Peter L.S. Currie 1c. Thomas M. Ryan For Against Abstain ! !! 1. To elect the three nominees for Class II directors listed below, each to serve for a three-year term expiring at the 2029 annual meeting of shareholders (Proposal 1): PJT PARTNERS INC. The Board of Directors recommends you vote FOR all of the nominees listed below and FOR proposals 2 and 3: For Withhold 2. To approve, on an advisory basis, the compensation of our Named Executive Officers (Proposal 2). 3. To ratify the appointment of Deloitte & Touche LLP as our independent registered public accounting firm for 2026 (Proposal 3). Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation or partnership, please sign in full corporate or partnership name by authorized officer. Note: If any other matters properly come before the meeting or any adjournment thereof, the person(s) named in this proxy will vote in their discretion in accordance with applicable law or rule. !! !! VOTE ONLINE Before The Meeting - Go to www.proxyvote.com or scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 p.m., Eastern Daylight Time on June 17, 2026. Have your proxy card in hand when you access the website and follow the instructions to obtain your records and to create an electronic voting instruction form. During The Meeting - Go to www.virtualshareholdermeeting.com/PJT2026 You may attend the meeting via the Internet and vote during the meeting. Have the information that is printed in the box marked by the arrow available and follow the instructions. VOTE BY PHONE - 1-800-690-6903 Use any touch-tone telephone to transmit your voting instructions up until 11:59 p.m., Eastern Daylight Time on June 17, 2026. Have your proxy card in hand when you call and then follow the instructions. VOTE BY MAIL Mark, sign and date your proxy card and return it in the postage-paid envelope we have provided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood, NY 11717. We must receive the completed proxy card by 5:00 p.m., Eastern Daylight Time on June 17, 2026. PJT PARTNERS INC. ATTN: DAVID K.F. GILLIS 280 PARK AVENUE, 16TH FLOOR NEW YORK, NY 10017 !! ! !! SCAN TO VIEW MATERIALS & VOTEw
V88783-P47410 Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting: The Notice of Annual Meeting and Proxy Statement and Annual Report are available at www.proxyvote.com. PJT PARTNERS INC. Annual Meeting of Shareholders June 18, 2026 10:00 A.M. Eastern Daylight Time Virtual Format Only This proxy is solicited by the Board of Directors The shareholder(s) hereby appoint(s) David A. Travin and David K.F. Gillis, and each of them, as proxies, each with the full power of substitution, and hereby authorize(s) them to represent and to vote, as designated on the reverse side of this ballot, all of the shares of Class A Common Stock and Class B Common Stock of PJT Partners Inc. that the shareholder(s) is/are entitled to vote at the 2026 Annual Meeting of Shareholders to be held at 10:00 A.M. Eastern Daylight Time on June 18, 2026, virtually at www.virtualshareholdermeeting.com/PJT2026, and in their discretion, upon any matter that may properly come before the meeting or any adjournment or postponement of the meeting. This proxy, when properly executed, will be voted in accordance with instructions given on the reverse side. If no instructions are given, this proxy will be voted as recommended by the Board of Directors on the reverse side of this Proxy Card. The shareholder(s) acknowledge(s) receipt with this proxy of a copy of the Notice of Annual Meeting, Proxy Statement and Annual Report describing more fully the matters set forth herein. Continued and to be signed on reverse side