Ko-Chia KY Announces Subsidiaries' Cumulative Acquisition of Same Securities Exceeding 20% of Paid-in Capital Within One Year

1. Security Name: 1-day Government Reverse Repo (GC001) on the Shanghai Stock Exchange, Code 204001

2. Transaction Date: 06/08/115 ~ 06/08/115

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Chairman's Decision Date: June 8, 115 (2025)

5. Transaction Quantity, Unit Price, and Total Amount: Aipulai: 86,350 units, average rate: 1.270%, Baihong: 100,500 units, average rate: 1.280%, Jiaca: 485,730 units, average rate: 1.295%, Jiahuang: 219,200 units, average rate: 1.285%, Jiayi: 121,420 units, average rate: 1.255%, Kede: 270,980 units, average rate: 1.255%, Jiajun: 349,430 units, average rate: 1.285%, Total Amount: 163,361 thousand RMB (approximately 751,417 thousand TWD)

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

7. Relationship with the Target Company: Not applicable

8. Cumulative Holdings of the Security (including this transaction) to Date—Quantity, Amount, Ownership Ratio, and Restrictions (e.g., Pledging): Aipulai: 86,350 units, average rate: 1.270%, Baihong: 100,500 units, average rate: 1.280%, Jiaca: 485,730 units, average rate: 1.295%, Jiahuang: 219,200 units, average rate: 1.285%, Jiayi: 121,420 units, average rate: 1.255%, Kede: 270,980 units, average rate: 1.255%, Jiajun: 349,430 units, average rate: 1.285%, Pledging Status: None

9. Proportion of Cumulative Securities Investments (including this transaction) under Article 3 of the 'Regulations on Acquisition or Disposition of Assets by Publicly Issued Companies' to Total Assets and Equity Attributable to Owners of the Parent in the Latest Financial Statements, and the Amount of Working Capital in the Latest Financial Statements: Percentage of Total Assets: 15.10% Percentage of Shareholders' Equity: 21.03% Working Capital: 2,612,388 thousand TWD

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

11. Dissenting Director's Opinion on This Transaction: None

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

13. Counterparty and Relationship with the Company: Not applicable

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

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

16. Other Remarks: None