Announcement of the record date for the distribution of 2025 cash dividends on common shares

1.Date of the resolution by the board of directors or shareholders meeting
  or decision by the Company:2026/06/24
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 dividends on Common Shares: The total cash dividend distribution
  amount is NT$49,194,542,258, representing a cash dividend of NT$2.50023939
  per share.
4.Ex-rights (ex-dividend) trading date:2026/07/10
5.Last date before book closure:2026/07/13
6.Book closure starting date:2026/07/14
7.Book closure ending date:2026/07/18
8.Ex-rights (ex-dividend) record date:2026/07/18
9.Deadline for applying the conversion of the bond:NA
10.The closure period for the conversion of the bond will
 start from the date:NA
11.The closure period for the conversion of the bond will
end on the date:NA
12.Payment date of common stock cash dividend distribution:2026/08/07
13.Any other matters that need to be specified:None