Announcement of the important resolution by the Company’s Board of Directors.

1.Date of occurrence of the event:2022/03/25
2.Date of the original announcement and reporting:2020/11/20
3.Summary of the content originally announced and reported:The company's
board of directors decided to agree its subsidiary CTBC BANK CO.,LTD
to achieve core banking information system modernization.
4.Reasons for the change and its main content:According to actual needs,
the subsidiary CTBC BANK CO.,LTD plans to add an additional budget of
NT$1.94 billion, and the overall estimated investment amount will be
changed to NT$9.61 billion.
5.Effect on the Company's finance and business after the change:No
6.Any other matters that need to be specified:The specific content is subject
to the resolution of the subsidiary board of directors (or if there are major
changes in the content of the subsidiary's board of directors,
a supplementary announcement will be made).