【Taimac-KY】Announcement on the Change of Natural Person Directors and Over One-Third of Directors at Important Subsidiary Apex Circuit(Thailand) Co., Ltd.

1. Date of change: 2026/04/29 2. Type of personnel selected or changed (please enter corporate director, corporate supervisor, independent director, natural person director, or natural person supervisor): Natural person director 3. Title and name of former incumbents: (1.) Mr. Jesadavat Priebjrivat (2.) Mr. Cheng, Yung-Yuan 4. Brief resume of former incumbents: Director of Apex Circuit(Thailand) Co., Ltd. 5. Title and name of new incumbents: (1.) Mr. Jesadavat Priebjrivat (2.) Mr. Cheng, Yung-Yuan 6. Brief resume of new incumbents: Director of Apex Circuit(Thailand) Co., Ltd. 7. Type of change (please enter "resignation", "dismissal", "term expiration", "death", or "new appointment"): Term expiration 8. Reason for change: According to the articles of association of Apex Circuit (Thailand) Co., Ltd., one-third of the directors must be re-elected annually. 9. Number of shares held by new incumbents at the time of election: Not applicable 10. Original term (e.g., xx/xx/xx ~ xx/xx/xx): (1.) Mr. Jesadavat Priebjrivat 2024/04/30~2026/04/28 (2.) Mr. Cheng, Yung-Yuan 2025/01/10~2026/04/28 11. Effective date of new appointment: 2026/04/29 12. Percentage of director changes during the same term: Not applicable 13. Percentage of independent director changes during the same term: Not applicable 14. Percentage of supervisor changes during the same term: Not applicable 15. Does this constitute a change of over one-third of the directors (please enter yes or no): Yes 16. Other matters that need to be specified (If the subject of the event or resolution is a public company or above, this material information also complies with Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act, which stipulates matters that have a significant impact on shareholders' equity or securities prices): None