5215 Kejia-KY

Release Date: 2026-07-23 Statement Date: 2026-07-22 Statement Time: 17:17:53 Company Code: 5215 Company Name: Kejia-KY Subject: Announcement regarding subsidiaries Suzhou Jiaji, Kede, Jiacai, Aipulai, Baihong, Jiahuang, and Jiajun cumulatively acquiring the same securities exceeding 20% of paid-in capital within one year Applicable Clause: Clause 20 Factual Date: 2026-07-22

1. Security Name: Shanghai Stock Exchange 1-day Government Bond Reverse Repo GC001, Code 204001

2. Transaction Date: 2026/07/22 ~ 2026/07/22

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Approved by Chairman July 22, 2026 (ROC Year 115)

5. Transaction Quantity, Unit Price, and Total Amount: Aipulai: 83,990 units, average rate: 1.435% Baihong: 102,660 units, average rate: 1.435% Jiacai: 410,440 units, average rate: 1.435% Jiahuang: 210,060 units, average rate: 1.445% Jiaji: 120,110 units, average rate: 1.435% Kede: 207,360 units, average rate: 1.430% Jiajun: 381,180 units, average rate: 1.440% Total Amount: NT$151,580 thousand (approximately NT$709,275 thousand)

6. Gain (or Loss) on Disposal (not applicable for acquisition of securities): Not applicable

7. Relationship with the Counterparty Company: Unrelated party

8. Cumulative Holdings of the Security (including this transaction) to Date in Quantity, Amount, Ownership Percentage, and Restrictions (e.g., Pledge Status): Aipulai: 83,990 units, average rate: 1.435% Baihong: 102,660 units, average rate: 1.435% Jiacai: 410,440 units, average rate: 1.435% Jiahuang: 210,060 units, average rate: 1.445% Jiaji: 120,110 units, average rate: 1.435% Kede: 207,360 units, average rate: 1.430% Jiajun: 381,180 units, average rate: 1.440% Pledge Status: None

9. Cumulative Securities Investment (including this transaction) under Article 3 of the 'Regulations on the Acquisition or Disposition of Assets by Publicly Issued Companies' as a Percentage of Total Assets and Equity Attributable to Owners of the Parent in the Most Recent Financial Statements, and the Amount of Working Capital in the Most Recent Financial Statements: Percentage of Total Assets: 14.25% Percentage of Shareholders' Equity: 19.85% Working Capital: NT$2,612,388 thousand

10. Specific Purpose of Acquisition or Disposal: Investment and financial management

11. Directors' Dissenting Opinions on This Transaction: None

12. Whether This Transaction is a Related-Party Transaction: No

13. Counterparty and Its Relationship with the Company: Not applicable

14. Date of Supervisor Approval or Audit Committee Consent: Not applicable

15. Previous Date of Material Information Disclosure on the Same Event: Not applicable

16. Other Explanatory Matters: None