Company: CCIXW
Filing Date: 2025-12-05
Form Type: S-4/A
Source: 0001193125-25-309933
Chunk: 1041

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-05
Form: S-4/A
Chunk 1041
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 IX, nor the adoption of any provision of this Certificate of Incorporation or the Company’s bylaws inconsistent with this ARTICLE IX, shall eliminate or reduce the effect of this ARTICLE IX in respect of any matter occurring, or any Proceeding accruing or arising or that, but for this ARTICLE IX, would accrue or arise, prior to such amendment, elimination, repeal or adoption of an inconsistent provision.

Meetings of stockholders may be held within or outside of the State of Delaware, as the Bylaws may provide. The books of the Company may be kept (subject to any provision of applicable law) outside of the State of Delaware at such place or places or in such manner or manners as may be designated from time to time by the Board of Directors or in the Company’s bylaws.

Section 1. The Company reserves the right to amend or repeal any provision contained in this Certificate of Incorporation in the manner prescribed by the laws of the State of Delaware and all rights conferred upon stockholders are granted subject to this reservation; provided, however, that notwithstanding any other provision of this Certificate of Incorporation or any provision of law that might otherwise permit a lesser vote, but in addition to

<div align='center'>B-7</div>

the vote of any holders of any class or series of the stock of the Company required by law or by this Certificate of Incorporation, the Board of Directors acting pursuant to a resolution adopted by a majority of the Whole Board and the affirmative vote of 66 2/3% of the voting power of the then outstanding voting securities of the Company entitled to vote thereon, voting together as a single class, shall be required for the amendment, repeal or modification of the provisions of Section 3 of ARTICLE IV, Section 2 of ARTICLE V, Section 1 of ARTICLE VI, Section 2 of ARTICLE VI, Section 5 of ARTICLE VII, Section 1 of ARTICLE VIII, Section 2 of ARTICLE VIII, Section 3 of ARTICLE VIII or this ARTICLE XI of this Certificate of Incorporation. ARTICLE XII The name and mailing address of the incorporator of the Company are as follows: IN WITNESS WHEREOF, this Certificate of Incorporation has been executed by the incorporator of PlusAI Holdings, Inc. on this day of 2025.

| By: |              |
|     | Incorporator |

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Annex C

<div align='center'>BYLAWS OF

PLUSAI HOLDINGS, INC.

(initially