The Announcement of the change for President of CTBC Securities Investment Service.

1.Date of the board of directors resolution or date of occurrence of the
  change:2026/03/10
2.Position (Please enter chairperson or president/general manager):
President
3.Name of the previous position holder:Chen, Li-Fong
4.Resume of the previous position holder:President
of CTBC Securities Investment Service.
5.Name of the new position holder:Chen,Po-Chou
6.Resume of the new position holder:Vice President
of CTBC Securities Investment Service.
7.Circumstances of change (Please enter ”resignation”, ”dismissal”,
”term expired” , ”job relocation”, ”severance”, ”retirement”,
”death” or ”new appointment”):job relocation
8.Reason for the change:job relocation
9.Effective date of the new appointment:2026/03/10
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.):
Until such approval is obtained,Chen,Po-Chou
will be the Acting President from 2026/03/10.