Kechia-KY Announces Subsidiaries' Cumulative Acquisition of Securities Exceeding 20% of Paid-in Capital

1. Security Name: 1-day Treasury Reverse Repo on the Shanghai Stock Exchange, GC001, code 204001

2. Transaction Date: July 30, 2026 ~ July 30, 2026

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Chairman Approval July 30, 2026

5. Transaction Quantity, Unit Price, and Total Amount: Aipulai: 84,020 units, average rate: 1.330% Baihong: 94,690 units, average rate: 1.320% Jiacai: 394,060 units, average rate: 1.325% Jiahuang: 164,110 units, average rate: 1.325% Jiaji: 125,150 units, average rate: 1.320% Kede: 65,400 units, average rate: 1.325% Jiajun: 245,860 units, average rate: 1.330% Total Amount: 117,329 thousand TWD (approximately 549,007 thousand NTD)

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

7. Relationship with the Counterparty: Unrelated party

8. Cumulative Holdings of This Security to Date (including this transaction): Aipulai: 84,020 units, average rate: 1.330% Baihong: 94,690 units, average rate: 1.320% Jiacai: 394,060 units, average rate: 1.325% Jiahuang: 164,110 units, average rate: 1.325% Jiaji: 125,150 units, average rate: 1.320% Kede: 65,400 units, average rate: 1.325% Jiajun: 245,860 units, average rate: 1.330% Pledge Status: None

9. Ratio of Securities Investment (including this transaction) under Article 3 of the 'Regulations on the Acquisition or Disposal of Assets by Publicly Issued Companies' to Total Assets and Equity Attributable to Owners of the Parent in the Most Recent Financial Statements, and Working Capital: Ratio to Total Assets: 11.03% Ratio to Shareholders' Equity: 15.37% Working Capital: 2,612,388 thousand TWD

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

11. Directors Who Objected to This Transaction: None

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

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

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

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

16. Other Explanatory Matters: None