Jya Semiconductor Announces Removal of Chief Strategy Officer

Disclosure Date: July 11, 2026 Statement Date: July 10, 2026 Time: 15:06 Company Code: 2340 Company Name: Taiya Semiconductor

Subject: Announcement of Chief Strategy Officer Change at Key Subsidiary Jya Semiconductor Inc.

Relevant Clause: Item 8 Event Date: July 10, 2026

Details: 1. Position Affected: Chief Strategy Officer 2. Date of Change: 07/10/2026 3. Former Executive: Li Guo-Guang, Chief Strategy Officer, Chairman of Taiya Semiconductor 4. New Executive: Not applicable 5. Nature of Change: Removal 6. Reason for Change: Removal 7. Effective Date: 07/10/2026 8. Additional Notes: None