Announced by CTBC Bank for the KO event of Hong Kong Branch 3 Months USD Knock Out Fixed Coupon Basket Equity Linked Structured Notes

1.Date of occurrence of the event:2025/09/18
2.Company name:CTBC Bank Co., Ltd. (”CTBC Bank”)
3.Relationship to the Company (please enter ”head office” or
  ”subsidiaries”):subsidiaries
4.Reciprocal shareholding ratios:100% held by CTBC Financial Holding Co., Ltd.
5.Cause of occurrence:According to the Pricing Supplement of
CTBC Bank Co., Ltd. Hong Kong Branch 3 Months USD Knock Out Fixed Coupon
Basket Equity Linked Structured Notes, CTBC Bank Hong Kong Branch repays the
 Debentures due to the KO event.
6.Countermeasures:None
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.):
ISIN:XS3149165659。