Announcement of the ex-dividend record date of the Company and revise distribution ratio per share

1.Date of the resolution by the board of directors or shareholders meeting
or decision by the Company:2021/08/05
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:
Total cash amount of NT$2,330,428,093 or equivalent to NT$7 per
4.Ex-rights (ex-dividend) trading date:2021/08/26
5.Last date before book closure:2021/08/29
6.Book closure starting date:2021/08/30
7.Book closure ending date:2021/09/03
8.Ex-rights (ex-dividend) record date:2021/09/03
9.Any other matters that need to be specified:
The cash dividend will be distributed on 2021/09/24