DMT will attend the investor conference that held by President Securities Corporation.

Material Information (4138 DMT) SEQ_NO  1 Date of announcement  2023/04/26 Time of announcement  16:46:37 Subject  DMT will attend the investor conference that held by President Securities Corporation. Date of events   2023/04/27 To which item it meets paragraph 12 Statement 1.Date of institutional investor conference:2023/04/27 2.Time of institutional investor conference:3:40 p.m.(Taiwan Time) 3.Location of institutional…