[Koja-KY] Announcement on behalf of subsidiaries for accumulating disposal of the same securities reaching 20% of paid-in capital within one year.

1. Name of security: Shanghai Stock Exchange 1-day government bond reverse repo GC001, Code 204001 2. Date of transaction: 115/4/22~115/4/22 3. Date of Board resolution: Not applicable 4. Other approval dates: Approved by Chairman on April 22, 115 5. Quantity, price per unit, and total transaction amount: Total amount 193,751 thousand RMB (approx. 921,742 thousand NTD). 6. Profit (or loss) from disposal: Profit of 7 thousand RMB. 7. Relationship with the transaction counterpart: Non-related party. 8. Cumulative holdings: None. 9. Ratio of total assets: 19.51%; Ratio to equity: 25.90%; Working capital: 2,515,979 thousand NTD. 10. Purpose: Investment and wealth management. 11. Dissenting opinions of directors: None. 12. Is it a related party transaction: No. 13. Counterpart and relationship: Not applicable. 14. Approval date by supervisors or audit committee: Not applicable. 15. Date of previous major message on the same event: Not applicable. 16. Other matters: None.