To announce the preliminary earnings of CTBC Financial Holding Co., Ltd. and its major subsidiaries for May 2023.

1.Date of occurrence of the event:2023/06/08
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:N/A
5.Cause of occurrence:To announce the preliminary earnings of CTBC Financial
Holding Co., Ltd. and its major subsidiaries for May 2023.
6.Countermeasures:N/A
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.):
NTD$: billion      May  Profit                    Jan.~May Profit
-----------------------------------------------------------------------------
Company      Consolidated  After-Tax     Consolidated  After-Tax    After-Tax
             Pre-Tax       Profit        Pre-Tax       Profit       EPS(NT$)
                           attributable                attributable
                           to owners                   to owners
                           of parent                   of parent
CTBC Holding    3.89       3.42           24.05        19.77        1.01
CTBC Bank       4.09       3.05           21.61        17.15        1.16
Taiwan Life    -0.17       0.41           -0.36         0.17        0.03

NOTE：Accumulated After-Tax EPS as of the end of May (Excluding Foreign
Exchange Valuation Reserve)
CTBC Holding     1.01
Taiwan Life     0.02