Supplementary Explanation on the Company's Investment information on October 23

1.Date of occurrence of the event:2025/10/28
2.Company name:CTBC Financial Holding Co.,Ltd
3.Relationship to the Company (please enter ”head office” or
  ”subsidiaries”):the company itself
4.Reciprocal shareholding ratios:N/A
5.Cause of occurrence:The bidding process for the company's investment has
been completed and has no impact on the company's operations.
6.Countermeasures:N/A
7.Any other matters that need to be specified (the information disclosure
  also meets the requirements of Article 7, subparagraph 9 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.):
N/A