Announcement regarding the chairman elected by the Board of Directors

Date of events   2023/06/19

To which item it meets paragraph 6 

Statement   

1.Date of the board of directors resolution or date of occurrence of the change:2023/06/19 

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

3.Name of the previous position holder:Tseng,Yin-Tang 

4.Resume of the previous position holder:Chairman of Siward 

5.Name of the new position holder:Tseng,Yin-Tang 

6.Resume of the new position holder:Chairman of Siward 

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

8.Reason for the change:term expired 

9.Effective date of the new appointment:2023/06/19 

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