Company: CCIXW
Filing Date: 2025-12-05
Form Type: S-4/A
Source: 0001193125-25-309933
Chunk: 537

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-05
Form: S-4/A
Chunk 537
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 shares that could be issued upon the exercise of the 7,187,500 CCIX public warrants held by the CCIX public shareholders. (2) This amount includes 725,000 shares of CCIX private placement shares and 7,187,500 vested shares of CCIX Founder Shares held by the Sponsor, which will become Post-Closing Company Class A common stock. The amounts in the table also do not include the potentially dilutive shares that could be issued upon exercise of the CCIX private placement warrants held by the Sponsor. (3) Consists of 89,559,312 shares of Post-Closing Company Class A common stock and 23,477,333 shares of Post-Closing Company Class B common stock issuable pursuant to the business combination, after giving effect to each of the following: (a) 8,554,008 shares resulting from the outstanding PlusAI Class A common stock, (b) 23,007,047 shares resulting from the outstanding PlusAI Class B common stock, (c) 66,678,405 shares from conversion of PlusAI preferred stock, (d) 6,422,993 shares from conversion

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of PlusAI SAFE instruments, (e) 6,137,683 shares from PlusAI common stock issuable upon vesting of PlusAI RSUs before any reduction of shares withheld to settle tax obligations, (f) 1,330,000 shares issuable upon exercise of PlusAI common stock options with nominal exercise price, and (g) 906,509 shares issuable in connection with the collaboration arrangement with IVECO. Assumes that the Equity Value is $1,200,000,000. Excludes up to 15,000,000 Earnout Shares that PlusAI stockholders will be eligible to receive upon satisfaction of certain milestones during the Earnout Period. The above share information assumes that the Equity Value is $1,200,000,000 and excludes the following potentially diluted securities of the Post-Closing Company:

|                                 |     | No Redemption Scenario |            |     | 25% Redemption Scenario |            |     | 50% Redemption Scenario |            |     | Maximum Redemption Scenario |            |
| Earnout shares                  |     |                        | 15,000,000 |     |                         | 15,000,000 |     |                         | 15,000,000 |     |                             | 15,000,000 |
| CCIX public warrants            |