Date of announcement 2025/06/13
Time of announcement 17:26:42
Date of events 2025/06/13
To which item it meets paragraph 14

1.Date of the resolution by the board of directors or shareholders meeting
   or decision by the Company:2025/06/13
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:
   (1)Total amount of cash dividend to common shares is NTD14,286,193,596
       (NTD 0.85000699 per share).
   (2)Total amount of dividends to preferred share B is NTD561,660,543
       (NTD 0.355 per share).
4.Ex-rights (ex-dividend) trading date:2025/06/30
5.Last date before book closure:2025/07/01
6.Book closure starting date:2025/07/02
7.Book closure ending date:2025/07/06
8.Ex-rights (ex-dividend) record date:2025/07/06
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:2025/07/30
13.Any other matters that need to be specified:
   (1)Payment date of cash dividend for common shares and preferred shares:
       2025/07/30
   (2)The payment date will be postponed to the following business day if
       the original business day is cancelled by the government due to
       typhoon or other reasons.
   (3)The common share cash dividends and preferred share dividends
       distributed to each shareholder will be rounded down to the nearest
       NT$1 (decimals are not taken into account); and the cash dividend less
       than one dollar originated from fractional shares will be recorded as
       other income of the Company.