Company: CCIXW
Filing Date: 2025-12-05
Form Type: S-4/A
Source: 0001193125-25-309933
Chunk: 340

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-05
Form: S-4/A
Chunk 340
---
 Shareholder will include as ordinary income each year the excess, if any, of the fair market value of its CCIX Class A Ordinary Shares at the end of its taxable year over its adjusted tax basis in its CCIX Class A Ordinary Shares. The Electing Shareholder also will recognize an ordinary loss in respect of the excess, if any, of its adjusted tax basis in its CCIX Class A Ordinary Shares over the fair market value of its CCIX Class A Ordinary Shares at the end of its taxable year (but only to the extent of the net amount of previously included income as a result of the MTM Election). The Electing Shareholder’s tax basis in its CCIX Class A Ordinary Shares will be adjusted to reflect any such income or loss amounts, and any further gain recognized on a sale or other taxable disposition of its CCIX Class A Ordinary Shares will be treated as ordinary income (and any further loss recognized on such sale or disposition in excess of the net amount previously included in income as a result of the MTM Election would be capital loss). However, if the MTM Election is not made by a U.S. Holder with respect to the first taxable year of its holding period for the CCIX Class A Ordinary Shares in which CCIX is a PFIC, then the excess distribution regime discussed above will apply to certain dispositions of, distributions on and other amounts taxable with respect to, CCIX Class A

<div align='center'>202</div>

Ordinary Shares, including in connection with the Domestication. Under current law, an MTM Election is not available with respect to warrants, including the CCIX Warrants. The rules dealing with PFICs are very complex and are impacted by various factors in addition to those described above, including the application of the rules addressing overlaps in the PFIC rules and the Section 367(b) rules and the rules relating to Controlled Foreign Corporations. All U.S. Holders of CCIX Securities are urged to consult their tax advisors regarding the consequences to them of the PFIC rules, including whether a QEF Election (or a QEF Election along with a purging election), an MTM election or any other election is available and whether and how any overlap rules apply, and the consequences to them of any such election or overlap rule and the impact of any proposed or final PFIC Treasury Regulations. Tax Effects to U.S. Holders of Exercising Redemption Rights Generally The U.S. federal income tax consequences to a U.S. Holder of CCIX public shares that exercises