1.Date of the resolution by the board of directors or shareholders meeting or decision by the Company:2023/08/08

2.Type of ex-rights or ex-dividend (please enter: “Ex-rights”, ”Ex-dividend”, or ”Ex-rights and dividend”):Ex-dividend

3.Type and monetary amount of dividend distribution: The cash dividend distributed to shareholders totaled NT$325,250,910 at NT$2 per share.

4.Ex-rights (ex-dividend) trading date:2023/08/24

5.Last date before book closure:2023/08/25

6.Book closure starting date:2023/08/26

7.Book closure ending date:2023/08/30

8.Ex-rights (ex-dividend) record date:2023/08/30

9.Deadline for applying the conversion of the debt voucher:N/A

10.The closure period for the conversion of the debt voucher will start from the date:N/A

11.The closure period for the conversion of the debt voucher will end on the date:N/A

12.Payment date of cash dividend distribution:2023/09/20

13.Any other matters that need to be specified:None