Qualitech Public Company Limited Approved the appointment of Mr. Kitti Phuathavornskul to be the Chairman of the Board of Director. approved the appointment of Mr. Tatchapong Thamputthipong to be the Chairman of the Audit Committee and Independent Director, approved the appointment of Colonel Assoc. Prof. Dr. Chanyapat Wiphatthanananthakul to b the Member of the Audit Committee and Independent Director and approved for change of the authorized directors to sign to bind the Company follows: "Mr. Thitiwat Teerakulthanyaroj Mr. Kitti Phuathavornskul Mr. Somkiat Aramruangkul Miss Kunlanit Sarapab 2 out of 4 directors sign together".

The effective is July 7, 2023 onwards.