Sheng-Yi (1773) Announces Re-election of Chairman

Announcement Date: 2026/05/21 Statement Date: 2026/05/20 Statement Time: 17:18:00 Company Code: 1773 Company Name: Sheng-Yi Subject: Announcement of Chairman election by the Board of Directors Clause: 6 Date of Event: 2026/05/20

Explanation: 1. Date of board resolution or change: 2026/05/20 2. Position: Chairman 3. Name of predecessor: Sun Jing-Yuan 4. Resume of predecessor: Chairman of the Company 5. Name of successor: Sun Jing-Yuan 6. Resume of successor: Chairman of the Company 7. Nature of change: Expiration of term 8. Reason for change: Re-elected by the 21st Board of Directors upon term expiration 9. Effective date: 2026/05/20 10. Other matters: None