Announcement

No. 1 Date  2025/06/05  Time    17:47:11
Subject To Announce the Record Date of Ex-dividend
Date of events  2025/06/05 To which item it meets paragraph 14
Explanation
1.Date of the resolution by the board of directors or shareholders meeting
  or decision by the Company:2025/06/05
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 common stock dividend distribution:
Cash dividend of NT$6.2 per share
(Cash dividends on common stock:NT$1,833,872,450)
4.Ex-rights (ex-dividend) trading date:2025/07/02
5.Last date before book closure:2025/07/03
6.Book closure starting date:2025/07/04
7.Book closure ending date:2025/07/08
8.Ex-rights (ex-dividend) record date:2025/07/08
9.Deadline for applying the conversion of the bond:2025/06/11
10.The closure period for the conversion of the bond will
 start from the date:2025/06/13
11.The closure period for the conversion of the bond will
end on the date:2025/07/08
12.Payment date of common stock cash dividend distribution:2025/07/24
13.Any other matters that need to be specified:
  (1)Ex-dividend trading date:2025/07/02, buyer of today and after does not
     have right for Cash dividend.
  (2)If the payout ratio is affected by a change in share outstanding of the
     Company, the Chairman of the Company is authorized to handle the matter
     with full authority.