Shih Sheng Announces Changes in Directors for Important Subsidiary Shih Sheng Technology (Guangzhou) Co., Ltd.

1. Date of change: 2026/04/15 2. Personnel category (please enter corporate director, corporate supervisor, independent director, natural person director, or natural person supervisor): Natural person director 3. Former personnel title and name: Director: Chao Shan-te Director: Tsai Chong-jen 4. Brief history of former personnel: Chao Shan-te / Section Chief, Shih Sheng Industrial Co., Ltd. Tsai Chong-jen / Section Chief, Shih Sheng Industrial Co., Ltd. 5. New personnel title and name: Director: Tseng Wen-jin Director: Lu Bang-chao 6. Brief history of new personnel: Tseng Wen-jin / Operating Officer, Shih Sheng Industrial Co., Ltd. Lu Bang-chao / Operating Officer, Shih Sheng Industrial Co., Ltd. 7. Change circumstances (please enter 'Resignation', 'Dismissal', 'End of Term', 'Death', or 'New Appointment'): Dismissal 8. Reason for change: Director reassignment 9. Number of shares held by new appointee at the time of election: Not applicable 10. Original term (e.g., xx/xx/xx ~ xx/xx/xx): Not applicable 11. Effective date of new appointment: 2026/04/15 12. Ratio of director changes within the same term: Not applicable 13. Ratio of independent director changes within the same term: Not applicable 14. Ratio of supervisor changes within the same term: Not applicable 15. Whether one-third or more of directors have changed (please enter Yes or No): Yes 16. Other matters to be noted (if the subject of the event or resolution is a publicly listed company, this material information also meets the criteria for significantly impacting shareholder rights or securities prices as stipulated in Article 7, Paragraph 6 of the Securities Transaction Act Enforcement Rules): None Keywords: Material Information