[Kejia-KY] Subsidiaries conducted treasury repo transactions exceeding 20% of paid-in capital in cumulative acquisitions

1. Security Name: Shanghai Stock Exchange 1-day Treasury Repo GC001, Code 204001 2. Transaction Date: 2026/06/04 3. Board Approval Date: N/A 4. Other Approval Date: Authorized by: Chairman Date: 2026/06/04 5. Quantity, Price, and Total Amount: - Aipuai: 86,340 units, Avg Price: 1.365% - Baihong: 100,490 units, Avg Price: 1.365% - Jiacai: 485,660 units, Avg Price: 1.365% - Jiahuang: 219,170 units, Avg Price: 1.365% - Jiaji: 121,400 units, Avg Price: 1.365% - Kede: 260,950 units, Avg Price: 1.365% - Jiajun: 349,380 units, Avg Price: 1.370% - Total Amount: 162,339,000 CNY (approx. 746,716,000 TWD) 6. Gain/Loss on Disposal: N/A 7. Relationship with Target: N/A 8. Current Holding Status: No pledging 9. Financial Ratios: Total Assets ratio 15.01%, Equity ratio 20.90%, Working Capital 2,612,388,000 TWD 10. Purpose: Investment 11. Dissenting Opinions: None 12. Related Party Transaction: No 13. Counterparty Relationship: N/A 14. Audit Committee Agreement Date: N/A 15. Date of Previous Announcement: N/A 16. Other Matters: None