Company: CCIXW
Filing Date: 2025-12-05
Form Type: S-4/A
Source: 0001193125-25-309933
Chunk: 85

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-05
Form: S-4/A
Chunk 85
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 Equityholders during the Earnout Period, in three equal separate tranches, in each case that will be issued upon the occurrence of an Earnout Triggering Event during the Earnout Period. Each share of PlusAI common stock issued and outstanding immediately prior to the Closing (after giving effect to the Conversion, but other than Excluded Shares and Dissenting Shares) other than shares of common stock resulting from conversion of the PlusAI LV preferred stock will be automatically surrendered and exchanged for the right to receive a number of shares of Post-Closing Class A common stock equal to the Exchange Ratio, which is based on the Per Share Equity Value. Subject to the assumptions described herein, as of the date of this proxy statement/prospectus, we estimate that the Exchange Ratio will be approximately shares of Post-Closing Company common stock for each issued and outstanding share of PlusAI common stock; see the section entitled “ Proposal No. 1 — The Business Combination Proposal — General — Structure of the Transactions .” At the Effective Time, by virtue of the Merger and without any further action on the part of CCIX, Merger Sub, PlusAI or any holder of any securities of CCIX or PlusAI, the following will occur: • Each share of PlusAI common stock (including shares of PlusAI common stock issued upon the Conversion) issued and outstanding immediately prior to the Effective Time (other than Excluded Shares and Dissenting Shares) will be automatically surrendered and exchanged for (1) the right to receive a number of shares of Post-Closing Company common stock equal to the Exchange Ratio and (2) the contingent right to receive

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Earnout Shares that may be issued during the Earnout Period, in each case in accordance with the terms of the Merger Agreement. • Each issued and outstanding share of common stock of Merger Sub I will be converted into and become one validly issued, fully paid and nonassessable share of common stock of PlusAI, which will constitute the only outstanding shares of common stock of PlusAI as the surviving corporation of the first merger, and, immediately thereafter in the second merger, each issued and outstanding share of common stock of PlusAI will be cancelled and retired and each issued and outstanding membership interest of Merger Sub II will remain outstanding and constitute all of the membership interests of the surviving entity as a wholly owned subsidiary of CCIX, as the Post-Closing Company. • Each share of PlusAI capital stock held in PlusAI’s treasury or owned by CCIX,