[Koja-KY] Subsidiaries Announce Disposal of Securities Reaching 20% of Paid-in Capital Within One Year

1. Name of security: Shanghai Stock Exchange 1-day T-bond reverse repo GC001 (Code 204001). 2. Date of transaction: 2026/04/24. 3. Approval date: Not applicable. 4. Approval level: Approved by the Chairman on 2026/04/24. 5. Transaction details: Seven subsidiaries including Suzhou Jiaji, Kede, and others traded a total of 194,979k RMB (approx. NT$927,585k) at an average rate of 1.340%. 6. Gain/loss: Realized gain of 21k RMB. 7. Relationship: Non-related parties. 8. Current holding: None (for these transactions). 9. Investment ratios: Total investment accounts for 19.63% of total assets and 26.06% of equity. Working capital stands at NT$2,515,979k. 10. Purpose: Investment and treasury management. 11. Dissenting directors: None. 12. Related party transaction: No.