GC_ONE REPORT 2021_ENG

BUSINESS OPERATION AND PERFORMANCE CORPORATE GOVERNANCE FINANCIAL REPORTS AND FINANCIAL STATEMENTS APPENDIX BOARD OF DIRECTORS The Board of Directors as of December 31, 2021, is comprised of the following members: Name Position Date of Appointment 1. Mr. Piyasvasti Amranand Chairman/Chairman of the Independent Director April 9, 2018 2. Mr. Apisak Tantivorawong Independent Director/Chairman of the Audit Committee January 24, 2020 3. Mr. Don Wasantapruek Independent Director/Chairman of the Nomination and Remuneration Committee November 1, 2015 4. Professor Somkit Lertpaithoon Independent Director/Chairman of the Corporate Governance and Sustainability Committee April 9, 2018 5. Mr. Grisada Boonrach Independent Director/Chairman of the Risk Management Committee June 2, 2020 6. Mrs. Watanan Petersik Independent Director/Director to the Audit Committee/ Director to the Corporate Governance and Sustainability Committee September 22, 2014 7. Mr. Pakorn Nilprapunt Independent Director/Director to the Audit Committee/ Director to the Nomination and Remuneration Committee April 9, 2018 8. Lieutenant General Nithi Chungcharoen Independent Director/Director to the Nomination and Remuneration Committee/Director to the Corporate Governance and Sustainability Committee September 22, 2014 9. Mr. Chansin Treenuchagron Director/Director to the Corporate Governance and Sustainability Committee September 21, 2020 10. Mr. Noppadol Pinsupa(1) Director/Director to the Corporate Governance and Sustainability Committee October 1, 2021 11. Mr. Disathat Panyarachun Director/Director to the Risk Management Committee October 22, 2018 12. Mr. Sarawut Kaewtathip Director/Director to the Risk Management Committee July 20, 2020 13. M.L. Peekthong Thongyai(2) Director/Director to the Risk Management Committee October 1, 2021 14. Mrs. Pantip Sripimol(3) Director/Director to the Risk Management Committee November 22, 2021 15. Mr. Kongkrapan Intarajang Director and Secretary to the Board of Directors/ Director to the Risk Management Committee/ Chief Executive Officer and President October 1, 2019 Remarks: (1) Mr. Noppadol Pinsupa, Director, replaced Mr. Wittawat Svasti-xuto, effective October 1, 2021. (2) M.L. Peekthong Thongyai, Director, replaced Mrs. Arawadee Photisaroo, effective October 1, 2021. (3) Mrs. Pantip Sripimol, Director, replaced Mr. Prapas Kong-ied, effective November 22, 2021. Directors who has resigned during the year 2021: Name Position Term of Appointment 1. Mr. Wittawat Svasti-xuto Director/Director to the Nomination and Remuneration Committee Fabruary 19, 2018 - October 1, 2021 2. Mrs. Arawadee Photisaroo Director/Director to the Risk Management Committee October 22, 2018 - October 1, 2021 3. Mr. Prapas Kong-ied Director/Director to the Corporate Governance and Sustainability Committee November 1, 2019 - November 1, 2021 133

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