Announced by CTBC Bank for the KO event of Hong Kong Branch USD Fixed Coupon Equity Linked Structured Notes total 3 issues

1.Date of occurrence of the event:2026/02/25

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 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.

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:XS3253027554。

2nd issue:ISIN:XS3253028016。

3rd issue:ISIN:XS3253843109。