Subsidiaries Acquire Chinese Treasury Repo Securities; Kechia-KY Discloses Cumulative Investment Exceeding 20% of Paid-in Capital

Disclosure Date: 1150626 Statement Date: 1150625 Statement Time: 172701 Company Code: 5215 Company Name: Kechia-KY Subject: Announcement on behalf of subsidiaries Suzhou Jiaji, Kede, Jiacai, Aipulai, Baihong, Jiahuang, and Jiajun regarding cumulative acquisition of the same securities exceeding 20% of paid-in capital within one year. Compliance Clause: Item 20 Factual Date: 1150625 Details: 1. Security Name: One-day Chinese government bond reverse repo (GC001), code 204001, listed on the Shanghai Stock Exchange 2. Transaction Date: 115/6/25 ~ 115/6/25 3. Board Approval Date: Not applicable 4. Other Approval Dates: Approval Level: Approved by Chairman Approved on June 25, 115 5. Transaction Quantity, Unit Price, and Total Amount: Aipulai: 86,400 units, average rate: 1.475%, Baihong: 70,560 units, average rate: 1.470%, Jiacai: 386,020 units, average rate: 1.470%, Jiahuang: 195,340 units, average rate: 1.470%, Jiaji: 115,990 units, average rate: 1.475%, Kede: 189,160 units, average rate: 1.475%, Jiajun: 327,280 units, average rate: 1.475%, Total Amount: 137,075 thousand RMB (approximately TWD 630,508 thousand) 6. Gain (or loss) from disposal (not applicable for acquisition of securities): Not applicable 7. Relationship with the counterparty: Unrelated party 8. Cumulative holdings of the security (including this transaction) to date in terms of quantity, amount, ownership percentage, and restricted rights (e.g., pledge status): Aipulai: 86,400 units, average rate: 1.475%, Baihong: 70,560 units, average rate: 1.470%, Jiacai: 386,020 units, average rate: 1.470%, Jiahuang: 195,340 units, average rate: 1.470%, Jiaji: 115,990 units, average rate: 1.475%, Kede: 189,160 units, average rate: 1.475%, Jiajun: 327,280 units, average rate: 1.475%, Pledge Status: None 9. Cumulative securities investments under Article 3 of the 'Regulations on the Acquisition or Disposition of Assets by Publicly Issued Companies' (including this transaction) as a percentage of total assets and equity attributable to owners of the parent in the latest financial statements, and the amount of working capital in the latest financial statements: Percentage of total assets: 12.70% Percentage of shareholders' equity: 17.68% Working capital: TWD 2,612,388 thousand 10. Specific purpose of acquisition or disposition: Investment and financial management 11. Dissenting opinions from directors regarding this transaction: None 12. Whether this transaction is a related-party transaction: No 13. Counterparty and its relationship with the company: Not applicable 14. Date of supervisor approval or audit committee consent: Not applicable 15. Previous date of material information disclosure on the same event: Not applicable 16. Other explanatory matters: None