Company: CSLMF
Filing Date: 2025-09-19
Form Type: PRE 14A
Source: 0001213900-25-089554
Chunk: 55

Company: CSLM ACQUISITION CORP.
Filing Date: 2025-09-19
Form: PRE 14A
Chunk 55
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 prior agreements, understandings, arrangements, promises    
 and commitments, whether written or oral, express or implied, relating to the subject matter  
 hereof, and all such prior agreements, understandings, arrangements, promises and commitments 
 are hereby canceled and terminated.                                                           |

<div align='center'>Annex B-2</div>

IN WITNESS WHEREOF, the parties have duly
executed this Amendment as of the date first set forth above.

| CSLM ACQUISITION CORP.                                 |                         |
| By:                                                    |                         |
| Name:                                                  | Charles Cassel          |
| Title:                                                 | Chief Executive Officer |
| Continental Stock Transfer & Trust Company, as Trustee |                         |
| By:                                                    |                         |
| Name:                                                  | Francis Wolf            |
| Title:                                                 | Vice President          |

<div align='center'>Annex B-3

FORM OF PROXY CARD

CSLM ACQUISITION CORP.

PROXY FOR THE GENERAL MEETING OF SHAREHOLDERS THIS PROXY IS SOLICITED BY
THE BOARD OF DIRECTORS</div>

| Important Notice Regarding the Availability of Proxy Materials for the General Meeting of Shareholders to be Held on ______,  2025: The Proxy Statement is available at https://www.cstproxy.com/cimspac/2025 |

The undersigned hereby appoints Charles Cassel
and Jonathan Binder as proxies of the undersigned to attend the general meeting of Shareholders (the “General Meeting”)
of CSLM Acquisition Corp. (the “Company”), to be held in person at 2400 E. Commercial Boulevard, Suite 900,
Ft. Lauderdale, FL 33308 and via teleconference as described in the Proxy Statement on _______, 2025 at 11:00 Eastern time, and any postponement
or adjournment thereof, and to vote as if the undersigned were then and there personally present on all matters set forth in the Notice
of General Meeting, dated ________, 2025 (the “Notice”), a copy of which has been received by the undersigned,
as follows:

| 1. | The Extension Proposal — to consider and vote upon a proposal by a special resolution in the form set forth in Annex A of the accompanying proxy statement to amend (the “Extension Proposal”) the Company’s Existing Charter to extend from October 18, 2025 (the “Current Termination Date”) on a semi-monthly basis, until December 18, 2025