2021 Anti-corruption Day online activities held by the Office of the National Anti-corruption Commission on December 9, 2021. Putting in place channels for making reports on violation of anti-corruption policies or corruption act and putting in place protection measures for the report makers (details of which can be found in “Whistleblowing” section). Chairman of the Corporate Governance and Sustainability Committee Head of Internal Audit Executives or Company Secretary : PTT Global Chemical Public Company Limited 555/1 Energy Complex, Building A, 18th Floor Vibhavadi Rangsit Road, Chatuchak Bangkok 10900 E-mail : whistleblower@pttgcgroup.com Website : www.pttgcgroup.com Preparing summary report on operation results of anti-corruption measures in order to monitor anti-corruption operation result and proposing the matter to the Sub-committee, i.e., the Corporate Governance and Sustainability Committee and the Audit Committee for their acknowledgement and provide a summary report to the shareholders in the 56-1 One Report. (7) Whistleblowing GC recognizes the important roles of all stakeholders in its Corporate Governance. Whenever they witness any violation of the Business Code of Conduct, any form of fraud and corruption, or any other case, they may submit a report, notification, or complaint directly to either the Chairman of the Corporate Governance and Sustainability Committee, the head of Internal Audit, Executives or the Company Secretary, or via the provided complaint channels the Company has put in place, or any other channels that they trust. Whistleblowing Policy Procedure GC has formulated and announced the following Whistleblower Policy Procedures: (1) Complaint Screening: The responsible department screens the essential information under the established policy. Even anonymous complaints will also be considered if they provide clear reasons and sufficient evidences. If the whistleblower has provided his or her name or contact information, he or she will be notified by the Company. (2) Investigation: For valid complaints, CEO will appoint an investigation committee under the Company’s work regulations to conduct an investigation and fact-finding as well as to determine disciplinary action according to the Company’s regulations so as to ensure fairness to all parties. (3) Reporting: Once the complaint has been dealt with, the whistleblower will be notified of the outcome if the contact information is provided. The outcome will also be reported to the Corporate Governance and Sustainability Committee and the Audit Committee. 186 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2021
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