Company: CCIXW
Filing Date: 2025-12-05
Form Type: S-4/A
Source: 0001193125-25-309933
Chunk: 1025

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-05
Form: S-4/A
Chunk 1025
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 the meanings ascribed to such terms in the Merger Agreement.

Effect of Amendment . Except as expressly amended by this Amendment, the Merger Agreement remains and shall remain in full force and effect in accordance with its terms and conditions. Upon the execution and delivery hereof, the Merger Agreement shall thereupon be deemed to be amended and supplemented as hereinabove set forth as fully and with the same effect as if the amendments and supplements made hereby were originally set forth in the Merger Agreement. This Amendment and the Merger Agreement shall each henceforth be read, taken and construed as one and the same instrument, but such amendments and supplements shall not operate so as to render

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invalid or improper any action heretofore taken under the Merger Agreement. If and to the extent there are any inconsistencies between the Merger Agreement and this Amendment with respect to the matters set forth herein, the terms of this Amendment shall control. References in the Merger Agreement to the Merger Agreement shall be deemed to mean the Merger Agreement as amended by this Amendment. On and after the date of this Amendment, each reference to the Merger Agreement, “this Agreement”, “hereof”, “hereunder”, “herein” or words of like import referring to the Merger Agreement shall mean and be a reference to the Merger Agreement as amended hereby, provided that references in the Merger Agreement to “the date hereof” or “the date of this Agreement” or words of like import shall continue to refer to the date of June 5, 2025.

Sections of the Merger Agreement . Section 12.06 ( Governing Law ), Section 12.07 ( Captions; Counterparts ), Section 12.11 ( Severability ), Section 12.12 ( Jurisdiction; Waiver of Trial by Jury ) and Section 12.13 ( Enforcement ) and of the Merger Agreement are each hereby incorporated by reference mutatis mutandis .

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A-163</div>

IN WITNESS WHEREOF, each of SPAC, the Company, Merger Sub I and Merger Sub II have hereunto caused this Amendment to be duly executed as of the date hereof.

| CHURCHILL CAPITAL CORP IX |                         |
| By:                       | /s/ Jay Taragin         |
| Name:                     | Jay Taragin             |
| Title:                    | Chief Financial