Announcement of the Company's ex-dividend record date

1.Date of the resolution by the board of directors or shareholders meeting

  or decision by the Company: 2026/07/29

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:

NT$8,958,027,850 (NT$25 per share)

4.Ex-rights (ex-dividend) trading date: 2026/08/28

5.Last date before book closure: 2026/08/31

6.Book closure starting date: 2026/09/01

7.Book closure ending date: 2026/09/05

8.Ex-rights (ex-dividend) record date: 2026/09/05

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: 2026/09/24

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: NA

15.Recipients of foreign currency cash dividends: NA

16.Method for determining the exchange rate of foreign currency

 cash dividends: NA

17.Any other matters that need to be specified: None