To announce on behalf of subsidiary CTBC Bank Co. Ltd, the donation to CTBC CHARITY FOUNDATION

1.Date of occurrence of the event:2026/03/27
2.Reason for the donation:2026 annual projects execution
3.Total amount of the donation:NTD67,000,000
4.Counterparty to the donation:CTBC CHARITY FOUNDATION
5.Relationship with the Company:Stakeholder
6.Name and resume of independent director(s) that expressed an objection or
qualified opinion:None
7.Objection or qualified opinion by the aforementioned independent
director(s):None
8.Any other matters that need to be specified:None