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               Filed by the Registrant 
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               Filed by a Party other than the Registrant 
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               Preliminary Proxy Statement 
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               Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) 
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| ☐ | 
               Definitive Proxy Statement 
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| ☒ | 
               Definitive Additional Materials 
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| ☐ | 
               Soliciting Material under Sec.240.14a-12 
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               No fee required. 
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               Fee paid previously with preliminary materials. 
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               Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. 
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                   Delaware 
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                   001-40103 
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                   92-1552220 
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                   (State or other jurisdiction of incorporation) 
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                   (Commission File Number) 
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                   (I.R.S. Employer Identification No.) 
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                   22 Vanderbilt Ave., 27th Floor New York, New York 
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                   10017 
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                   (Address of principal executive offices) 
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                   (Zip Code) 
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                   Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) 
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                   Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) 
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                   Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) 
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                   Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) 
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                   Title of each class 
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                   Trading Symbol(s) 
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                   Name of each exchange 
                  on which registered 
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              ||
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                   Class A common stock, par value $0.0001 per share 
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                   ALTI 
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                   NASDAQ 
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                     Item 8.01 
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                     Other Events. 
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                     Item 9.01 
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                     Financial Statements and Exhibits. 
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                   Exhibit No. 
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                   Description 
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                   AlTi Global, Inc. CEO email to employees 
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              ||
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                   104 
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                   Cover Page Interactive Data File (embedded within the Inline XBRL Document) 
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                   Date: May 29, 2025 
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                   ALTI GLOBAL, INC. 
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                   /s/ Michael Tiedemann 
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                   Name: Michael Tiedemann 
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                   Title: Chief Executive Officer 
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                           1. 
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                           Election of Directors: To elect eight nominees to serve until the 2026 Annual Meeting of Stockholders or until their successors are duly elected and qualified. 
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                           2. 
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                           Ratification of Auditor: To ratify the appointment of KPMG LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2025. 
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                           3. 
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                           Equity Plan Amendment: 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, including under incentive stock options, by an
                            additional 9,010,000 shares. 
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| • | 
                         By Internet before the Meeting: Visit www.ProxyVote.com and follow the instructions using your control number, or scan the QR code on your proxy card. 
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| • | 
                         By Telephone: Call 1-800-690-6903 and follow the recorded instructions. 
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                         By Mail: Complete, sign, and date your proxy card and return it in the postage-paid envelope provided. 
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| • | 
                         If your shares are held at Continental Stock Transfer, your control number was emailed to you from id@proxyvote.com or mailed to you on the address on file.  
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| • | 
                         If your shares are held elsewhere (e.g., in a brokerage account), you can access your control number directly through your brokerage platform. For example, Fidelity users can follow the instructions included below to retrieve
                          their control number. 
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| o | 
                           Fidelity users can also look for an email sent with the subject line “Vote now! ALTI GLOBAL, INC. Annual Meeting” from fidelity.investments.email@shareholderdocs.fidelity.com. 
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| -Along the green bar at the top of the site, select the first tab, Accounts & Trade | |
| -From the dropdown menu, select Documents | |
| -In the box on the left-hand side, select Other Documents | |
| - From that dropdown menu, select Proxy Materials | 
                        
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| You will see the one position listed there with a vote link over to the right. | 
                        
                           |