Announcement of the chairman of the company to set the ex-dividend base date

 Announcement of the chairman of the company to
set the ex-dividend base date

1.Date of the resolution by the board of directors or
shareholders' meeting, or of the decision by the company:2022/07/01
2.Type (ex-rights or ex-dividend) (please write "Ex-rights",
 "Ex-dividend", or "Ex-rights and dividend"):Ex-rights
3.Type and monetary amount of dividend distribution:
NT$52,800,000 of cash dividends, NT$ 2 per share
4.Ex-rights (Ex-dividend) date:2022/07/22
5.Last date before book closure:2022/07/25
6.Book closure starting date:2022/07/26
7.Book closure ending date:2022/07/30
8.Ex-rights (Ex-dividend) record date:2022/07/30
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:2022/08/31
13.Any other matters that need to be specified:No