Eastern Technical Engineering Public Company Limited acknowledged the resignation of Dr. Premvadee Fongsiri from the positions of the Independent Director and Member of the Audit Committee due to her other various engagements with effective date from March 1, 2023 and approved the appointment of Miss Jirayong Anuman- rajadhon to hold the positions of the Independent Director and Member the Audit Committee to replace the resigned director with effective date from March 1, 2023. The term of office of Miss Jirayong Anuman- rajadhon shall be equal to the remaining term of Dr. Premvadee Fongsiri.