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 conference.
4.Outline of institutional investor conference:
DMT will attend the investor conference that held
by President Securities Corporation on 2022/09/27.
5.Any other matters that need to be specified:None.