Announcement of position adjustment involving the Acting spokesperson, Financial officer and Accounting officer.

1. Type of personnel changed (please enter: spokesperson, acting spokesperson, important personnel (CEO, COO, CMO, CSO, etc.) ,financial officer, accounting officer, corporate governance officer, chief information security officer, research and development officer, chief internal auditor, or designated and non-designated representatives): Acting spokesperson, Financial officer and Accounting officer
2. Date of occurrence of the change:2025/05/22
3. Name, title, and resume of the previous position holder: Yuan-Ting Wu, Acting spokesperson, Financial officer and Accounting officer  of the Company
4. Name, title, and resume of the new position holder:
   (1)Acting spokesperson: Shin-Ting Hsu, Associate Vice President of the Company
   (2)Financial officer: Shin-Ting Hsu, Associate Vice President of the Company
   (3)Accounting officer: Jun-Ju Jian, Supervisor of the Finance Department at the Company
5. Type of the change (please enter: ”resignation”, ”position adjustment”, ”retirement”, ”death”,”new replacement” or ”dismissal”):position adjustment
6. Reason for the change:position adjustment
7. Effective date:2025/05/22
8. Any other matters that need to be specified: The appointments of the new Acting spokesperson, Financial officer, and Accounting officer will be proposed to the upcoming Board of Directors meeting for approval, and an official announcement will be made in accordance with relevant regulations upon resolution.