T.M.C. Industrial Public Company Limited ("the Company") informed that the resolution of the Board of Directors Meeting No.3/2023 on April 22, 2023, the appointment of Sub-Committee. By this, effective date is on April 22, 2023 onward and details as follows: The appointment of Member of Audit Committee; Appointment of Mr. Wutichai Anantakul as member of Audit Committee. The appointment of Nomination Remuneration Corporate Governance and Sustainable Development Committee; Appointment of Mr. Wutichai Anantakul as Chairman of Nomination Remuneration Corporate Governance and Sustainable Development Committee.

Appointment of Mr. Mitthong Chulitawong as member of the Nomination Remuneration Corporate Governance and Sustainable Development Committee.Appointment of Mr. Boonlerd Iewpornchai as member of the Nomination Remuneration Corporate. Governance and Sustainable Development Committee. The appointment of Risk Management Committee; Appointment of Mr. Arthit Wuthikaro as Chairman of Risk Management Committee.

Appointment of Mr. Mitthong Chulitawong as member of Risk Management Committee. Appointment of Mr. Nuttapong Panjaworayan as member of Risk Management Committee. Appointment of Mr. Warin Phadungsinth as member of Risk Management Committee.

Appointment of Mr. Panom Rattanarat as member of Risk Management Committee. Summary of Directors and sub-Committee after the appointment as follows; Mr. Manu Leopairote Independent Director /Chairman of the Board of Directors /Member of Audit Committee; Mr. Arthit Wuthikaro Independent Director /Chairman of the Audit Committee /Chairman of Risk Management Committee; Mr. Mitthong Chulitawong Independent Director /Member of Audit Committee /Member of Nomination Remuneration Corporate Governance and Sustainable Development; Committee /Member of Risk Management Committee; Mr. Wutichai Anantakul Independent Director /Member of Audit Committee /Chairman of Nomination Remuneration Corporate Governance and Sustainable Development Committee; Mr. Thaweemit Kamolmongkolsuk Director /Chairman of Executive Committee Mr. Panom Rattanarat Director /Executive Director /Member of Risk Management Committee; Mr. Nuttapong Panjaworayan Director /Executive Director /Member of Risk Management Committee /Chief Executive Officer; Mr. Warin Phadungsinth Director /Executive Director /Member of Risk Management Committee /Managing Director; Mr. Boonlerd Iewpornchai Director /Member of Nomination Remuneration Corporate Governance and Sustainable Development Committee.