Ding Ying Investment Holding Announces Director Change for Subsidiary Dynamic Technology Manufacturing (Thailand) and Board Member Re-election Affecting Over One-Third of Directors

1. Date of Change: 115/04/30 (2026/04/30) 2. Personnel Type (Legal Director, Legal Supervisor, Independent Director, Natural Person Director, or Natural Person Supervisor): Natural Person Director 3. Former Position and Name: Director Liu Guojin (劉國瑾) 4. Former Position Description: Director of Dynamic Technology Manufacturing (Thailand) 5. New Position and Name: Director Liu Guojin (劉國瑾) 6. New Position Description: Director of Dynamic Technology Manufacturing (Thailand) 7. Reason for Change (Resignation, Dismissal, Term Expiration, Death, or New Appointment): Term Expiration 8. Reason for Change: According to Thai Commercial Civil and Commercial Code, one-third of the directors must be re-elected annually. 9. Number of Shares Held by New Appointee at Election: Not applicable 10. Original Term (e.g., MM/DD/YY ~ MM/DD/YY): 114/04/30 ~ 115/04/29 (2025/04/30 ~ 2026/04/29) 11. Effective Date of New Appointment: 115/04/30 (2026/04/30) 12. Proportion of Director Changes in the Same Term: Not applicable 13. Proportion of Independent Director Changes in the Same Term: Not applicable 14. Proportion of Supervisor Changes in the Same Term: Not applicable 15. Whether More Than One-Third of Directors Have Changed (Yes/No): Yes 16. Other Matters to be Noted (If the entity is a publicly issuing company, this material information also meets the criteria of Article 7, Item 6 of the Securities Transaction Act regarding matters that significantly affect shareholder equity or stock prices): None.