GC One Report 2023 [EN]

record of Conflict of Interest upon taking office for the first time. Such record of Conflict of Interest is also to be reviewed annually or whenever there is any amendment upon the record during the year. GC conducted follow-ups and successfully had 100% of its Executives and employees learn about policies and practices on the prevention of conflicts of interest and sign a statement acknowledging their obligations on its Hook Acknowledgement & Learning System. The Internal Audit Function conducted audits on GC’s procedures and communications as well as random audits on transactions that may involving conflicts of interest on a quarterly basis and found that they were in compl iance wi th relevant practices. GC reviewed and improved the Related Party Transaction Manual to ensure completeness and compliance with the Company’s current guidelines. GC organized training sessions on related-party transactions and the acquisition and disposition of assets for GC Group’s business coordinators in order to communicate the criteria, steps, and procedures for carrying out a related-party transaction between GC or a company in GC Group (in which GC holds over 50% of shareholding) and a person with relations to GC according to GC’s Related Party Transaction Manual. GC created an RPT Monitoring Dashboard for overseeing, monitoring, and reviewing internal transactions considered related-party transactions as well as for compiling a list of coordinators in di fferent uni ts wi thin GC wi th related-party transaction risks in order to put in place appropriate internal control procedures and measures. The list of GC’s related parties must be taken into consideration before transactions are carried out in order to ensure correct and full compliance with GC’s criteria and Related Party Transaction Manual. Anti-corruption GC Group places great importance on anti-corruption efforts and strives to comply with laws against fraud and corruption as well as bribery of both Thai and foreign public officials or officers of private organizations. The Company also seeks to cultivate anti-corruption consciousness in its employees at all levels to combat corruption of all forms. To this end, GC has established an Anti-corruption Policy and included it as part of GC Group’s Corporate Governance Pol icy to ensure that GC Group’s operations comply with the policy and establish an operational standard for Directors, Executives, employees, and other persons acting in the interest of GC. Any non-compliance with the policy of GC Group will result in disciplinary action and penalties as stipulated by relevant laws. Principles All Directors, Executives, employees, contractors, and any other persons acting in the interests of GC Group have the duties to comply with applicable anti-corruption laws, rules, and regulations as well as GC’s Corporate Governance and Business Code of Conduct Handbook, policies, rules, practices, and guidelines; perform their duties with transparency; and refrain from any act which can demonstrate intent to commit fraud or corruption. They are also prohibited from requesting, committing, or condoning corruption for their personal benefits or the benefits of related persons, including friends and acquaintances. They must also be ready for an audit by an auditor or a relevant competent authority at all times. GC’s subsidiaries may consider adopting such policies and measures to their own operation as deemed appropriate. GC’s Anti-corruption Measures 1. GC has appointed an Anti-corruption Committee, responsible for ensuring that GC’s anti-corruption measures are implemented efficiently in accordance with the Company’s commitment as a member of the Thai Private Sector Collective Action Against Corruption (CAC). 2. GC rev i ews , exami nes , and improves i t s anti-corruption measures and reports to the Corporate Governance and Sustainability Committee annually in order to measure their effectiveness as well as improve their alignment with the everchanging corruption risks. 3. GC has prescribed corruption risk assessments and set up preventive measures against risks in operational control, environmental control, and financial control, as well as measures for document storage. 203 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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