Corrections to notes of the consolidated financial statements for the year ended December 31, 2023.

1.Date of occurrence of the event:2024/03/27
2.Company name:CTBC Financial Holding Co., Ltd.
3.Relationship with the Company (please enter ”the company itself”
or ”subsidiaries”):the company itself
4.Reciprocal shareholding percentage:Not applicable
5.Cause of occurrence:Corrections to notes of the consolidated
financial statements for the year ended December 31, 2023.
6.Information items/ statements to be corrected:
Profitability of the Company and subsidiaries
7.Amounts/ contents/ number of page to be corrected:
14.65%/return on common equity ratio(after income tax)/P.224
8.Amounts/ contents/ number of page after correction:
14.64%/return on common equity ratio(after income tax)/P.224
9.Countermeasures:
Re-upload the corrected data to the Market Observation Post System.
10.Any other matters that need to be specified:None