[Catcher-KY] Announcement by subsidiaries Suzhou Jiaji/Kede/Jiacai/Aipulai/Baihong/Jiahuang/Jiajun regarding the cumulative acquisition of the same securities reaching 20% of paid-in capital within one year

1. Name of the security: Shanghai Stock Exchange 1-day government bond reverse repo GC001, code 204001 2. Transaction date: 2026/5/14~2026/5/14 3. Date of board approval: Not applicable 4. Other approval dates: Approval level: Chairman's approval May 14, 2026 5. Transaction quantity, price per unit, and total transaction amount: Aipulai: 83,780 units, average price: 1.275% Baihong: 107,010 units, average price: 1.290% Jiacai: 505,290 units, average price: 1.290% Jiahuang: 231,000 units, average price: 1.303% Jiaji: 118,610 units, average price: 1.290% Kede: 345,720 units, average price: 1.290% Jiajun: 303,800 units, average price: 1.290% Total amount: 169,521 thousand RMB (approx. 781,306 thousand NTD) 6. Gain (or loss) on disposal (not applicable for acquisition of securities): Not applicable 7. Relationship with the target company of the transaction: Non-related party 8. To date, cumulative holdings of this security (including this transaction) quantity, amount, shareholding ratio, and any restrictions on rights (e.g., pledges): Aipulai: 83,780 units, avg. price: 1.275% Baihong: 107,010 units, avg. price: 1.290% Jiacai: 505,290 units, avg. price: 1.290% Jiahuang: 231,000 units, avg. price: 1.303% Jiaji: 118,610 units, avg. price: 1.290% Kede: 345,720 units, avg. price: 1.290% Jiajun: 303,800 units, avg. price: 1.290% Pledge status: None 9. To date, the ratio of securities investment (including this transaction) under Article 3 of the 'Regulations Governing the Acquisition and Disposal of Assets by Public Companies' to the total assets and equity attributable to owners of the parent in the most recent financial statements, and the amount of working capital in the most recent financial statements: Ratio to total assets: 15.70% Ratio to shareholders' equity: 21.87% Working capital: NT$2,612,388 thousand 10. Specific purpose of acquisition or disposal: Investment and financial management 11. Opinions of directors who expressed dissent to this transaction: None 12. This transaction is a related party transaction: No 13. Counterparty and its relationship with the company: Not applicable 14. Date of approval by supervisors or audit committee: Not applicable 15. Date of previous material information announcement on the same event: Not applicable 16. Other explanatory matters: None