Kechia-KY Announces Subsidiaries' Cumulative Investment in Chinese Treasury Repo Exceeding 20% of Paid-in Capital

Announcement Date: July 11, 2026 Statement Date: July 10, 2026 Statement Time: 15:38:17 Company Code: 5215 Company Name: Kechia-KY Subject: Public announcement regarding subsidiaries Suzhou Jiaji, Kede, Jiacai, Aipulai, Baihong, Jiahuang, and Jiajun cumulatively acquiring the same securities exceeding 20% of paid-in capital within one year Applicable Clause: Clause 20 Factual Date: July 10, 2026

Details: 1. Security Name: Shanghai Stock Exchange 1-day Treasury Reverse Repo GC001, Code 204001

2. Transaction Date: July 10, 2026 ~ July 10, 2026

3. Board Approval Date: Not applicable

4. Other Approval Dates: Approval Level: Approved by Chairman July 10, 2026

5. Transaction Quantity, Unit Price, and Total Amount: Aipulai: 84,460 units, average rate: 1.250% Baihong: 103,630 units, average rate: 1.250% Jiacai: 433,290 units, average rate: 1.250% Jiahuang: 220,480 units, average rate: 1.250% Jiaji: 121,070 units, average rate: 1.250% Kede: 205,290 units, average rate: 1.250% Jiajun: 351,830 units, average rate: 1.250% Total Amount: NT$151,905 thousand (approximately NT$710,702 thousand)

6. Gain (or loss) on disposal (not applicable for acquisition of securities): Not applicable

7. Relationship with the counterparty: Unrelated party

8. Cumulative holdings (including this transaction) to date: Aipulai: 84,460 units, average rate: 1.250% Baihong: 103,630 units, average rate: 1.250% Jiacai: 433,290 units, average rate: 1.250% Jiahuang: 220,480 units, average rate: 1.250% Jiaji: 121,070 units, average rate: 1.250% Kede: 205,290 units, average rate: 1.250% Jiajun: 351,830 units, average rate: 1.250% Pledge Status: None

9. Proportion of cumulative securities investment (including this transaction) under Article 3 of the 'Regulations Governing the Acquisition or Disposal of Assets by Publicly Issued Companies' to the company's latest financial statements: Percentage of total assets: 14.28% Percentage of equity attributable to owners of the parent: 19.89% Working capital: NT$2,612,388 thousand

10. Specific purpose of acquisition or disposal: Investment and financial management

11. Directors who expressed dissenting opinions on 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