Announced by CTBC Bank for the KO event of Hong Kong Branch USD Fixed Coupon Equity Linked Structured Notes total 9 issues

1.Date of occurrence of the event:2025/10/27
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:
1st,3rd,4th,5th,9th issue:According to the Pricing Supplement of
CTBC Bank Co., Ltd. Hong Kong Branch 12 Months USD Knock Out Fixed Coupon
Basket Equity Linked Structured Notes, CTBC Bank Hong Kong Branch
repays the Debentures due to the KO event.
2nd issue:According to the Pricing Supplement of
CTBC Bank Co., Ltd. Hong Kong Branch 7 Months USD Knock Out Fixed Coupon
Basket Equity Linked Structured Notes, CTBC Bank Hong Kong Branch
repays the Debentures due to the KO event.
6th,7th,8th issue:According to the Pricing Supplement of
CTBC Bank Co., Ltd. Hong Kong Branch 4 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.):
1st issue:ISIN:XS3173207369
2nd issue:ISIN:XS3166228877
3rd issue:ISIN:XS3167356909
4th issue:ISIN:XS3167363947
5th issue:ISIN:XS3172147665
6th issue:ISIN:XS3173205314
7th issue:ISIN:XS3173205660
8th issue:ISIN:XS3173206049
9th issue:ISIN:XS3175251415