[Kejia-KY] Announcement Regarding Disposal of Securities by Subsidiaries

1. Security Name: Shanghai Stock Exchange One-Day Bond Reverse Repo GC001, Code 204001

2. Transaction Date: June 5, 2026

3. Board Approval Date: Not applicable

4. Other Resolution Date: Authorization Level: Chairman June 5, 2026

5. Transaction Quantity, Price per Unit, and Total Amount: Suzhou Aipulai: 86,340 units, Avg Price: 1.365% Suzhou Baihong: 100,490 units, Avg Price: 1.365% Suzhou Jiacai Electronics: 485,660 units, Avg Price: 1.365% Suzhou Jiahuang Electronics: 219,170 units, Avg Price: 1.365% Suzhou Jiaji Electronics: 121,400 units, Avg Price: 1.365% Suzhou Kede: 260,950 units, Avg Price: 1.365% Chongqing Jiajun: 349,380 units, Avg Price: 1.370% Total Amount: 162,357 thousand RMB (approx. 746,800 thousand NTD)

6. Disposal Gain (or Loss): Disposal gain of 18 thousand RMB

7. Relationship with the Target Company: Non-related party

8. Cumulative holdings including this transaction: All subsidiaries: None Encumbrances: None

9. Ratio of investments in securities under the "Regulations Governing the Acquisition and Disposal of Assets by Public Companies": Ratio to Total Assets: 15.01% Ratio to Shareholder Equity: 20.90% Working Capital: 2,612,388 thousand NTD

10. Purpose of Acquisition/Disposal: Investment/Treasury management

11. Dissenting Opinion by Directors: None

12. Related Party Transaction: No

13. Counterparty and Relationship: Not applicable

14. Approval Date by Supervisors/Audit Committee: Not applicable

15. Date of Previous Disclosure regarding the same event: Not applicable

16. Other Matters: None