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

Material Information (4138 DMT)
SEQ_NO	1	Date of announcement	2023/09/20	Time of announcement	16:57:36
Subject	DMT will attend the investor conference that held by President Securities Corporation.
Date of events	2023/09/21	To which item it meets	paragraph 12
Statement	1.Date of institutional investor conference:2023/09/21 2.Time of institutional investor conference:3:40 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 2023/09/21. 5.Any other matters that need to be specified:None.