[Kejia-KY] Subsidiaries (Suzhou Jiaji, Kede, Jiacai, Aipulai, Baihong, Jiahuang, Jiajun) Cumulative Repo Trading Reaches 20% of Paid-in Capital

1. Security Name: Shanghai Stock Exchange 1-day Treasury Repo GC001, Code 204001 2. Transaction Date: 2026/6/3 3. Board Approval Date: N/A 4. Other Approval Date: Chairman Decision, 2026/6/3 5. Transaction Quantity, Price, and Total Amount: Aipulai: 86,340 units, Avg Price: 1.390% Baihong: 100,480 units, Avg Price: 1.380% Jiacai: 485,640 units, Avg Price: 1.380% Jiahuang: 219,160 units, Avg Price: 1.385% Jiaji: 122,890 units, Avg Price: 1.380% Kede: 260,940 units, Avg Price: 1.380% Jiajun: 349,370 units, Avg Price: 1.375% Total Amount: 162,482 thousand RMB (approx. 747,374 thousand NTD) 6. Gain/Loss: N/A 7. Relationship with Target: N/A 8. Cumulative Holdings: No pledges 9. Financial Ratios: Total asset ratio 15.05%, Equity ratio 20.96%, Working capital 2,612,388 thousand NTD 10. Purpose: Asset management 11. Dissenting Opinions: None 12. Related Party Transaction: No 13. Counterparty Relationship: N/A 14. Audit Committee Approval: N/A 15. Previous Disclosure Date: N/A 16. Other: None