Announcement on behalf of the major subsidiary, ADDA USA, INC. the change of president.

1. Date of the board of directors resolution or date of occurrence of the change: 2024/11/11 

2. Position (Please enter chairperson or president/general manager): president 

3. Name of the previous position holder: ZHANG, QING-HUA 

4. Resume of the previous position holder: President of ADDA USA, INC. 

5. Name of the new position holder: HUANG, CHUN-WEI 

6. Resume of the new position holder: Director of Sales and Logistics Divisions of ADDA CORPORATION 

7. Circumstances of change (Please enter ”resignation”, ”dismissal”, ”term expired”, ”job relocation”, ”severance”, ”retirement”, ”death” or ”new appointment”): Retirement 

8. Reason for the change: Retirement 

9. Effective date of the new appointment: 2025/01/01 

10. Any other matters that need to be specified (the information disclosure also meets the requirements of Article 7, subparagraph 6 of the Securities and Exchange Act Enforcement Rules, which brings forth a significant impact on shareholders' rights or the price of the securities on public companies.): None