Company: CCIXW
Filing Date: 2025-12-05
Form Type: S-4/A
Source: 0001193125-25-309933
Chunk: 960

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-05
Form: S-4/A
Chunk 960
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 or series of Company Stock), and in any written consent or resolutions of any of the stockholders of the Company in which the Stockholder is entitled to vote or consent, the Stockholder hereby unconditionally and irrevocably agrees to be present or otherwise cause the Subject Shares to be counted as present for such meeting for purposes of establishing a quorum, and vote (in person or by proxy), consent (or cause to be voted or consented) to any action by any written consent or resolution with respect to, as applicable, the Subject Shares and any other equity interests of the Company over which the Stockholder has voting power as of the applicable record date (i) in favor of, and to adopt and approve, the Merger Agreement, the other Transaction Agreements and the Transactions (and any actions required in furtherance thereof), (ii) in favor of any other matters required to be approved

<div align='center'>A-128</div>

or adopted by the stockholders of the Company, including the conversion of all of the Company Preferred Stock and the Company SAFEs into shares of Company Common Stock (the “ Conversion of Securities ”), to the extent required for the Company to carry out its obligations under the Merger Agreement, and (iii) in opposition to: (A) any Acquisition Transaction and any and all other proposals (x) that could reasonably be expected to materially delay or impair the ability of the Company to consummate the Transactions, (y) which are in competition with or materially inconsistent with the Merger Agreement or any other Transaction Agreement or (z) that would reasonably be expected to result in a material breach of any representation, warranty, covenant, obligation or agreement of the Company contained in the Merger Agreement or any other Transaction Agreement; or (B) any other action or proposal involving the Company or any of its Subsidiaries that is intended, or would reasonably be expected, to prevent, or materially impede, materially interfere with, materially delay, materially postpone or adversely affect in any material respect the Transactions or would reasonably be expected to result in any of the conditions to the Company’s obligations under the Merger Agreement not being fulfilled, in each case except in connection with a Permitted Equity Financing. Unless the Merger Agreement is validly terminated, the Stockholder hereby unconditionally and irrevocably agrees during the Voting Period to execute and deliver the Written Consent (substantially in the form attached as Exhibit L to the Merger Agreement, with such changes as may be mutually agreed among the Company