Announcement on behalf of CTBC Bank of penalty imposed by the FSC

1.Date of occurrence of the event：2026/07/02
2.The subject of the incident：report on behalf of subsidiaries：CTBC Bank
3.Cause of occurrence (Explanation of the event)：The deficiencies associated with the misappropriation of ATM settlement 
funds and interbank clearing funds by a former employee of CTBC Bank were 
found to be in violation of the Banking Act and the Implementation Rules 
of Internal Audit and Internal Control System of Financial Holding Companies 
and Banking Industries. In accordance with Article 129, Subparagraph 7 of 
the Banking Act, an administrative fine of NT$4,000,000 has been imposed.
4.Handling procedure：The improvement plan will be handled in accordance with the 
competent authority’s advice.
5.Status of the injunction by the respective competent authority：The amount of fine is NT$4000000.
6.Whether being fined or penalized：Yes
7.Administrative fines(amount)：NTD 4,000,000 元
8.Anticipated possible loss or impact：NT$4000000
9.Amount of insurance claims that might be obtained(amount)：None
10.Improvement status and future countermeasures：CTBC Bank will implement the necessary remedial measures in accordance with 
the instructions of the competent authority. All operations of CTBC Bank 
remain normal.
11.Whether material information regarding the same event has been previously released：None
12.Any other matters that need to be specified：None