Company: CCIXW
Filing Date: 2025-11-24
Form Type: DEF 14A
Source: 0001193125-25-293828
Chunk: 17

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-11-24
Form: DEF 14A
Chunk 17
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 to vote. You will be able to vote your shares online at
https://www.cstproxy.com/churchillcapitalix/2025, or in accordance with the voting instructions provided throughout this Proxy Statement.

Voting Power; Record Date

As our
shareholder, you have a right to vote on certain matters affecting our Company. The Auditor Ratification Proposal to be presented at the Meeting and upon which you are being asked to vote is summarized below and fully set forth in this Proxy
Statement. You will be entitled to vote or direct votes to be cast at the Meeting if you owned Ordinary Shares at the close of business on November 18, 2025, which is the Record Date for the Meeting. You are entitled to one vote for each
Ordinary Share that you owned as of the close of business on the Record Date. If your shares are held in Street Name or are in a margin or similar account, you should contact your broker, bank or other nominee to ensure that votes related to the
shares you beneficially own are properly counted. On the Record Date, there were 36,662,500 Ordinary Shares issued and outstanding, consisting of (i) 29,475,000 Class A Ordinary Shares, of which 725,000 Class A Ordinary Shares are held by
the Sponsor, and (ii) 7,187,500 Class B Ordinary Shares, all of which are held by the Sponsor.

Quorum

A Quorum of shareholders is necessary to hold a valid meeting. The holders of at least one-third of the
Ordinary Shares entitled to vote as of the Record Date at the Meeting must be present, in person (including those who voted online) or represented by proxy (or, in the case of a holder which is a corporation or other
non-natural person, by its duly authorized representative or proxy), at the Meeting to constitute a Quorum and in order to conduct business at the Meeting. Your shares will be counted towards the Quorum only
if you submit a valid proxy (or one is submitted on your behalf by your broker, bank or other nominee) or if you vote online or

9

physically attend the Meeting. Abstentions and Broker Non-Voteswill be counted towards the Quorum requirement. In the absence of a Quorum, the chairman of the Meeting has the power to adjourn the Meeting. As of the Record Date, 12,220,834 Ordinary Shares would be required to achieve a Quorum at the Meeting. If a Qu