CTBC Board of Directors approved the cancelling of the issued restricted employee stock units

1.Date of the board of directors resolution:2025/05/23

2.Reason for capital reduction:The employees who has been allocated

restricted employee stock units did not fulfill the vesting conditions.

Therefore, the allotted restricted employee stock units are forfeited

and cancelled by the Company.

3.Amount of capital reduction:NTD28,958,950

4.Cancelled shares:2,895,895 shares

5.Capital reduction percentage:0.0144%

6.Share capital after capital reduction:NTD201,503,708,350

7.Scheduled date of the shareholders meeting:N/A

8.Estimated no.of listed common shares after issuance of new shares

upon capital reduction:N/A

9.Estimated ratio of listed common shares after issuance of new shares upon

capital reduction to outstanding common shares:N/A

10.Please explain any countermeasures for lower circulation in

shareholding if the aforesaid estimated no.of listed common shares upon

capital reduction does not reach 60 million and the percentage does not

reach 25%:N/A

11.The record date for capital reduction:2025/05/26

12.Any other matters that need to be specified:The record date for capital

reduction is 2025/05/26. In the event of a change to the record date due

to the actual procedure, it is proposed that the chairman of the board

make the adjustment under the authorization of the board of directors.