AlTi Global, Inc. — Proxy Solicitation & Information Statement 2025

Apr 29, 2025

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A INFORMATION

PROXY STATEMENT PURSUANT TO SECTION 14(a)

OF

THE SECURITIES ACT OF 1934

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☐ Preliminary Proxy Statement

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☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material under §240.14a-12

AlTi Global, Inc.

(Name of Registrant as Specified in Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

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Your Vote Counts! ALTI GLOBAL, INC. 2025 Annual Meeting Vote by June 15, 2025 11:59 PM ET You invested in ALTI GLOBAL, INC. 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 stockholder meeting to be held on June 16, 2025. Get informed before you vote View the Notice, Proxy Statement and Annual Report online OR receive a free paper or email copy of the material(s) by requesting prior to June 2, 2025. 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. Vote Virtually at the Meeting June 16, 2025 10:00 AM, ET Virtually at: www.virtualshareholdermeeting.com/ALTI2025 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 To vote online and for more information, please visit www.ProxyVote.com Control # V73183-P30663 ALTI GLOBAL, INC. 22 VANDERBILT AVE., 27TH FLOOR NEW YORK, NEW YORK 10017

Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters. Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”. 1. To vote to elect as directors the eight nominees named in the Proxy Statement for a term of office expiring at the 2026 Annual Meeting of Stockholders or until their respective successors are duly elected and qualified. Nominees: 1a. Ali Bouzarif For 1b. Nazim Cetin For 1c. Norma Corio For 1d. Mark Furlong For 1e. Timothy Keaney For 1f. Michael Tiedemann For 1g. Tracey Brophy Warson For 1h. Andreas Wimmer For 2. To ratify the appointment of KPMG LLP as our independent registered public accounting firm for the fiscal year ended December 31, 2025. For 3. To approve an amendment to the Company’s 2023 Stock Incentive Plan to increase the number of shares of Class A Common Stock available for issuance under the Company’s 2023 Stock Incentive Plan and the number of shares that may be issued pursuant to incentive stock options by an additional 9,010,000 shares. For 4. To consider any other business that is properly presented at the meeting and any adjournment or postponement thereof. Voting Items Board Recommends V73184-P30663