Material Information (8299 Phison)
SEQ_NO  1 Date of announcement  2026/06/01 Time of announcement  14:30:55
Subject
 Announcement of Phison's second half of 2025
ex-dividend record date of cash dividend and payment date
Date of events   2026/06/01 To which item it meets paragraph 14
Statement
 
1.Date of the resolution by the board of directors or
shareholders meeting, or of the decision by the company:2026/06/01
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 common stock cash dividend distribution is NT$3,751,904,199.
4.Ex-rights (Ex-dividend) date:2026/06/30
5.Last date before book closure:2026/07/01
6.Book closure starting date:2026/07/02
7.Book closure ending date:2026/07/06
8.Ex-rights (Ex-dividend) record date:2026/07/06
9.Deadline for applying the conversion of the debt voucher:2026/06/08
10.The closure period for the conversion of the debt voucher will
 start from the date:2026/06/10
11.The closure period for the conversion of the debt voucher will
end on the date:2026/07/06
12.Payment date of common stock cash dividend distribution:2026/07/30
13.Any other matters that need to be specified:
   In the event of a change in the actual number of outstanding shares of
   the Company in the future, resulting in a change in the actual cash
   dividend per share, the Chairman is authorized to adjust and handle
   the related matters accordingly.