Supplementary Announce the cash dividend ex-dividend date and adjustment of the dividend distribution ratio

 Supplementary Announce the cash dividend ex-dividend
date and adjustment of the dividend distribution ratio

1.Date of the resolution by the board of directors or
shareholders' meeting, or of the decision by the company:2022/07/07
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 dividend distribution:Cash dividend in
total amount NTD63,817,473
4.Ex-rights (Ex-dividend) date:2022/07/26
5.Last date before book closure:2022/07/27
6.Book closure starting date:2022/07/28
7.Book closure ending date:2022/08/01
8.Ex-rights (Ex-dividend) record date:2022/08/01
9.Deadline for applying the conversion of the debt voucher:2022/07/05
10.The closure period for the conversion of the debt voucher will
 start from the date:2022/07/07
11.The closure period for the conversion of the debt voucher will
end on the date:2022/08/01
12.Payment date of cash dividend distribution:2022/08/22
13.Any other matters that need to be specified:
 (1). According to the resolution made by BOD on 2022/03/23, it is
     authorized the Chairman to determine the ex-dividend date and
     the related matters.
 (2). The closure period for the conversion of the 1st domestic debt
     voucher of the Company is from 2022/07/07 to 2022/08/01, if debt
     voucher holder proposed to applying the conversion, shall execute
     the conversion procedure with security agent before 2022/07/05.
 (3)Due to the repurchase of treasury shares, the distribution of
    cash dividends per share will be adjusted from NT 0.5 per share to
    NT$0.50755558 in cash dividends per share.