Material Information (8299 Phison)
SEQ_NO  1 Date of announcement  2023/11/23 Time of announcement  14:31:13
 Announcement of Phison's first half of 2023
ex-dividend record date of cash dividend and payment date
Date of events   2023/11/23 To which item it meets paragraph 14
1.Date of the resolution by the board of directors or
shareholders meeting, or of the decision by the company:2023/11/23
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:The common stock cash
dividend distribution is NT$887,555,219.
4.Ex-rights (Ex-dividend) date:2023/12/21
5.Last date before book closure:2023/12/24
6.Book closure starting date:2023/12/25
7.Book closure ending date:2023/12/29
8.Ex-rights (Ex-dividend) record date:2023/12/29
9.Deadline for applying the conversion of the debt voucher:2023/11/30
10.The closure period for the conversion of the debt voucher will
 start from the date:2023/12/04
11.The closure period for the conversion of the debt voucher will
end on the date:2023/12/29
12.Payment date of cash dividend distribution:2024/01/19
13.Any other matters that need to be specified:
If there is a change in the company's actual total number of outstanding
shares, resulting in a change in the shareholder's dividend amount per share,
 the chairman is authorized to adjust and handle the relevant changes.