The board authorized the chairman to set announcement of the record date of cash dividend for its subsidiary, CTBC Investments Co., Ltd.

1.Date of the resolution by the board of directors or shareholders meeting
  or decision by the Company:2026/05/20
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:
Cash dividends NT$794,392,432(NT$25.960537 per share)
4.Ex-rights (ex-dividend) trading date:NA
5.Last date before book closure:NA
6.Book closure starting date:NA
7.Book closure ending date:NA
8.Ex-rights (ex-dividend) record date:2026/06/23
9.Any other matters that need to be specified:
Cash dividend will be paid on 2026/06/24