Announcement of difference between the preliminary and audited net income for the three months ended December 31, 2022.

1.Date of occurrence of the event:2023/03/15

2.Company name:CTBC Financial Holding Co., Ltd.

3.Relationship to the Company (please enter ”head office” or

  ”subsidiaries”):head office

4.Reciprocal shareholding ratios:NA

5.Cause of occurrence:

The sub-subsidiary CTBC Insurance Co., Ltd. increased the premium deficiency

reserve of pandemic insurance amounted to NTD 2.3 billion.

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.):

None