Company: CCIXW
Filing Date: 2025-12-05
Form Type: S-4/A
Source: 0001193125-25-309933
Chunk: 1131

Company: Churchill Capital Corp IX/Cayman
Filing Date: 2025-12-05
Form: S-4/A
Chunk 1131
---
 the first day thereof.

<div align='center'>* * *

E-14

EXHIBIT A

PLUSAI HOLDINGS, INC.

2025 EMPLOYEE STOCK PURCHASE PLAN

SUBSCRIPTION AGREEMENT</div>

_____ Original Application Offering Date: _________________

_____ Change in Payroll Deduction Rate

____________________ hereby elects to participate in the PlusAI Holdings, Inc. 2025 Employee Stock Purchase Plan (the “ Plan ”) and subscribes to purchase shares of the Company’s Common Stock in accordance with this Subscription Agreement and the Plan. Any capitalized terms not specifically defined in this Subscription Agreement will have the meaning ascribed to them under the Plan.

I hereby authorize and consent to payroll deductions from each paycheck in the amount of ____% of my Compensation on each payday (from 0% to [15]%) during the Offering Period in accordance with the Plan. (Please note that no fractional percentages are permitted.) I understand that only my first, one election to decrease the rate of my payroll deductions may be applied with respect to an ongoing Offering Period in accordance with the terms of the Plan, and any subsequent election to decrease the rate of my payroll deductions during the same Offering Period, and any election to increase the rate of my payroll deductions during any Offering Period, will not be applied to the ongoing Offering Period.

I understand that said payroll deductions will be accumulated for the purchase of shares of Common Stock at the applicable Purchase Price determined in accordance with the Plan. I understand that if I do not withdraw from an Offering Period, any accumulated payroll deductions will be used to automatically exercise my option and purchase Common Stock under the Plan. I further understand that if I am outside of the U.S., my payroll deductions will be converted to U.S. dollars at an exchange rate selected by the Company on the purchase date.

I have received a copy of the complete Plan and its accompanying prospectus. I understand that my participation in the Plan is in all respects subject to the terms of the Plan.

Shares of Common Stock purchased for me under the Plan should be issued in the name(s) of _____________ (Eligible Employee or Eligible Employee and spouse only).

If I am a U.S. taxpayer, I understand that if I dispose of any shares received by me pursuant to the Plan within two (2) years after the Offering Date (the first day of the Offering Period during which I purchased such shares) or one (1) year after the Exercise Date, I will be treated for federal income tax purposes as having received ordinary