2421 Jianzhun: Subsidiary Invests in RMB Money Market Fund, Cumulative Investment Exceeds NT$300 Million

Date of Announcement: July 10, 2026 Date of Statement: July 9, 2026 Time of Statement: 16:52:56 Company Code: 2421 Company Name: Jianzhun Subject: Announcement by important subsidiary Jianzhun International Limited regarding its subsidiary's cumulative investment in the same financial product exceeding NT$300 million Applicable Clause: Clause 20 Date of Event: July 9, 2026

Details: 1. Name and nature of the subject matter (for preferred shares, specify conditions such as dividend rate): CRSC Cash Currency Fund Class B

2. Date of Event: May 8, 2026 ~ July 9, 2026

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Executed according to company authorization authority May 8, 2026

5. Transaction quantity, unit price, and total transaction amount: Number of units: 80,000,000 Unit price: RMB 1 Total transaction amount: RMB 80,000,000 (NT$374,880,000; exchange rate 4.686)

6. Counterparty and relationship with the company (if the counterparty is an individual and not a related party, name disclosure may be omitted): Counterparty: CRSC Fund Management Company Relationship with company: None

7. If the counterparty is a related party, state the reason for selecting them, the previous transferor, the relationship among the previous transferor, the company, and the counterparty, the transfer date, and amount: Not applicable

8. If the owner of the subject matter was a related party of the company within the past five years, state the date, price, and relationship with the company at the time of acquisition and disposal by the related party: Not applicable

9. Matters related to the disposal of claims (including types of collateral attached to the disposed claims; if claims against related parties are disposed, state the name of the related party and the book value of the claim): Not applicable

10. Gain (or loss) from disposal (not applicable for acquisition of securities) (if deferred, list and explain recognition status): Not applicable

11. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements: Full payment via cash transfer None

12. Decision-making method for this transaction, reference basis for price determination, and decision-making unit: Executed according to company authorization authority

13. Net asset value per share of the securities-issuing company acquired or disposed: Not applicable

14. Cumulative number, amount, ownership percentage, and restricted rights status (e.g., pledge) of the securities (including this transaction) held to date: Cumulative holding quantity: 92,253,126.97 Cumulative holding amount: RMB 92,253,126.97 Ownership percentage: Not applicable Restricted rights status: None

15. Proportion of securities investments (including this transaction) listed under Article 3 of the 'Asset Acquisition and Disposal Guidelines for Publicly Issued Companies' to total assets and equity attributable to parent owners in the most recent financial statements, and the amount of working capital in the most recent financial statements (Note 2): Percentage of total assets: 2.959% Percentage of equity: 4.864% Working capital amount: NT$2,743,997,398

16. Broker and brokerage fees: None

17. Specific purpose or use of the acquisition or disposal: Principal-protected fixed-income financial investment

18. Opinions of dissenting directors regarding this transaction: None

19. Whether this transaction is a related-party transaction: No

20. Date of auditor confirmation or audit committee approval: Not applicable

21. Whether the accountant issued a non-reasonableness opinion for this transaction: Not applicable

22. Name of accounting firm: Not applicable

23. Name of accountant: Not applicable

24. Accountant's practice certificate number: Not applicable

25. Whether it involves a change in business model: No

26. Explanation of business model change: Not applicable

27. Transaction status with the counterparty in the past year and expected in the next year: Not applicable

28. Source of funds: Not applicable

29. Previous date of material information disclosure for the same event: Not applicable

30. Other explanatory matters: None