1.Date of the board of directors resolution or date of occurrence of the
change: 2022/06/17
2.Position (Please enter chairperson or president/general manager):
Chairperson
3.Name of the previous position holder:
Shuang De Investment Corporation, Rep.: Chien-Wen Kuo
4.Resume of the previous position holder:
Chien-Wen Kuo, Chairman of Advanced Ceramic X Corporation
5.Name of the new position holder:
Shuang De Investment Corporation, Rep.: Chien-Wen Kuo
6.Resume of the new position holder:
Chien-Wen Kuo, Chairman of Advanced Ceramic X Corporation
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: 2022/06/17
10.Any other matters that need to be specified: None.