To announce the ex-dividend record date

 To announce the ex-dividend record date

1.Date of the resolution by the board of directors or
shareholders’ meeting, or of the decision by the company:2026/07/16
2.Type (ex-rights or ex-dividend) (please write ”Ex-rights”,
 ”Ex-dividend”, or ”Ex-rights and dividend”):Ex-dividend
3.Type and monetary amount of common stock dividend distribution:
 The cash dividend was NT$46,907,000 for shareholders
 and NT$1.0 per share was allotted.
4.Ex-rights (Ex-dividend) date:2026/08/13
5.Last date before book closure:2026/08/14
6.Book closure starting date:2026/08/15
7.Book closure ending date:2026/08/19
8.Ex-rights (Ex-dividend) record date:2026/08/19
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 common stock cash dividend distribution:2026/09/10
13.Are part or all the Cash dividends paid in foreign currency
   (please enter: “Yes” or ”No”):No
14.Payment currency of foreign currency cash dividends:N/A
15.Recipients of foreign currency cash dividends:N/A
16.Method for determining the exchange rate of foreign currency
   cash dividends:N/A

17.Any other matters that need to be specified:
  If the total number of issued shares changes subsequently,
  which affects the dividend rate, the chairman is authorized
  to be based on the actual dividend base date. The number of
  outstanding shares will be adjusted to the shareholder
  dividend rate.