GC_ONE REPORT 2021_ENG

INDEPENDENT DIRECTORS According to the Company’s corporate governance principles, more than half of the Board of Directors must be Independent Directors. They shall not serve in the office for over nine consecutive years from the first date of appointment. They must also be experienced and independent as per the Capital Market Supervisory Board’s requirements. Additionally, they must hold no more than 0.5% of the Company’s shares (a stricter regulat ion than the Secur i t ies and Exchange Commission’s limit of 1%). The definition of Independent Directors is publicized in the Company’s Corporate Governance Handbook and on the Company website. Independent Directors must attend meetings regularly. They are allowed to freely express their opinions during these meetings and, to this end, are entitled to adequate access of the company’s financial and business information. They are also tasked with protecting stakeholders’ interests and preventing conflicts of interest among the Company, its executives, Board of Directors and major shareholders. Currently, the Company has a total of eight Independent Directors, constituting more than one-third of the Board and exceeding the legal requirement. In addition, this number is in line with the Company’s corporate governance principles, which has been stipulated that more than half of Board members must be Independent Directors. Moreover, the Charter of Independent Directors has been established to clearly outline their duties. Under the Charter recently amended to suit the current situation, the duties and responsibilities of Independent Directors are as follows: Advise and provide recommendations to the Board of Directors on key issues that the Company should act upon or issues that could be beneficial to the Company, its shareholders, and other relevant stakeholders. Ensure the Company’s full compliance with its AntiCorruption Policy and measures. Value corporate social and environmental responsibility. Seek consultation from external, independent consultants if necessary. The expenses incurred will be borne by the Company. Ensure that the Company operates according to the regulations and requirements relevant to Independent Directors issued by regulatory bodies for listed companies and review the definition of an Independent Director to make sure that it is appropriate and complete according to legal requirements. Review the adequacy of their charter annually and propose recommended amendments, if any, to the Board of Directors for approval. Perform other duties as assigned by the Board of Directors, provided that these duties do not interfere with the independent nature required of Independent Directors. AUTHORIZED DIRECTORS According to GC’s Articles of Association and Certification of Incorporation from the Department of Business Development of the Ministry of Commerce, as of November 29, 2021, the authorized signatory Directors of GC specifies that: “(1) Mr. Kongkrapan Intarajang, Chief Executive Officer and President, can sign and affix the Company’s seal on behalf of GC; or (2) two of the following three Directors can jointly sign and affix the Company’s seal on behalf of GC, namely Mr. Disathat Panyarachun, M.L. Peekthong Thongyai, and Mr. Noppadol Pinsupa.” ROLES OF THE CHAIRMAN AND THE CHIEF EXECUTIVE OFFICER AND PRESIDENT The Chairman of the Board of Directors and the Chief Executive Officer and President are not the same person. Their duties and responsibilities are distinct and separate, as described below: The Chairman of the Board of Directors is an Independent Director whose main role is to ensure that the Board of Directors efficiently performs its duties and in compliance with the Company’s good corporate governance principles and the business code of conduct, being independent from the management. In addition, the Chairman works with CEO to determine meeting agenda but refrains from participating in day-to-day business management. The Chairman of the Board of Directors will be the chairman of both Board meetings and shareholders’ meetings and is prohibited from serving in any Sub-committee as explicitly prescribed in the scope of responsibilities of the Board of Directors and Sub-committees to ensure a clear and suitable separation of duties as well as independent judgment. The Chief Executive Officer and President is the highestranking executive officer whom the Board of Directors chooses and appoints from one of the Directors under the GC’s Articles of Association to oversee the Company under Board-assigned policies and directions in accordance with the scope of authority set forth in GC’s Articles of Association and regulations. The CEO also serves as Secretary to the Board of Directors. Furthermore, GC’s Articles of Association states that the CEO is entitled to compensation and benefits for his role as the highest-ranking executive officer in addition to what he receives as a Director. The CEO’s roles, duties, and responsibilities, as well as compensation, are published on the Company website in Thai and English. 138 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2021

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