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

Material Information (4138 DMT)  SEQ_NO 1 Date of announcement 2022/09/26 Time of announcement 15:25:37 Subject DMT will attend the investor conference that held by President Securities Corporation. Date of events  2022/09/27  To which item it meets paragraph 12 Statement 1.Date of institutional investor conference:2022/09/27 2.Time of institutional investor conference:3:00 p.m.(Taiwan Time) 3.Location of institutional investor conference:Online investor…