Ta Shin Precision Announces Director Change for Important Subsidiary, Myanmar Ta Shin Industrial Co., Ltd.

1. Date of change: 2026/05/12 2. Type of personnel selected or changed (please enter corporate director, corporate supervisor, independent director, natural person director, or natural person supervisor): Corporate director 3. Title and name of former incumbent: Chen Hsin-Sheng 4. Brief resume of former incumbent: Assistant Vice President, Ta Shin Industrial Co., Ltd. 5. Title and name of new incumbent: Chen Yi-Chien 6. Brief resume of new incumbent: General Manager, Ta Shin Industrial Co., Ltd. 7. Nature of change (please enter "resignation," "dismissal," "term expiration," "death," or "new appointment"): Dismissal 8. Reason for change: Re-appointment 9. Number of shares held by new incumbent at the time of appointment: Not applicable 10. Original term (e.g., YY/MM/DD ~ YY/MM/DD): Not applicable 11. Effective date of new appointment: Not applicable 12. Ratio of change in directors during the same term: 1/5 13. Ratio of change in independent directors during the same term: Not applicable 14. Ratio of change in supervisors during the same term: Not applicable 15. Does the change involve more than one-third of the directors (please enter yes or no): No 16. Other matters that should be specified (if the subject of the event or resolution is a public company or above, this material information also meets the requirements of Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act regarding matters that have a material impact on shareholders' equity or securities prices): None.