GC One Report 2023 [EN]

4. Review of corporate governance The Audit Committee reviewed corporate governance practices of GC and its subsidiaries through summary report of complaints and inappropriate behavior report from whistleblower and other channels. In addition, GC and its subsidiaries shall have proper policies and procedures in place for dealing with complaints and protecting whistleblowers appropriately. The Audit Committee also reviewed the progress report on anti-fraud and anti-corruption measures, which oversaw the comprehensive disclosure of information in accordance with the regulations of the Stock Exchange of Thailand, this ensures that the Company’s business operations are complied with good corporate governance principles, creating sustainably value for the Company. Furthermore, the Audit Committee also promoted the participation of the company’s subsidiaries to join the Thai Private Sector Collective Action Against Corruption (CAC) and reviewed the Self-evaluation Form related to anti-corruption measures, as well as recommended that the Company undertake additional anti-corruption activities and serve as a role model in term of good corporate governance for listed companies in order to build trust among stakeholders. 5. Supervision of internal audit The Audit Committee oversaw GC’s internal audit function to ensure that it is independence, objective, and adding value for GC and its subsidiaries through its activities, as well as encouraged the adoption of technology to uplift the quality of internal audits and continuously updating on any change in New Global Internal Audit Standards. In addition, the Audit Committee conducted a quality assessment of internal auditing in accordance with International Professional Practices Framework and the Internal Audit Maturity assessment on a regular basis by a qualified external assessor whom has no conflicts of interest to ensure the results of Quality Assessment Review (QAR). The Audit Committee also approved the Internal Audit strategies, Goals and Annual Audit Plan based on a Risk-Based Approach together with support the development of internal audit’s capabilities, working experiences, and business insights, besides consider sufficient and appropriate capital resources of the Internal Audit Function. Furthermore, the Audit Committee reviewed and acknowledged internal audit findings from internal audit reports, provided insights, recommendations, and monitored the resolution of significant findings on a regular basis. 6. Review of compliance with applicable laws The Audit Committee reviewed the business operations of the Company to assure compliance with Securities and Exchange Act, Stock Exchange Commission (SEC) regulations, and industry-related laws, the environmental, and personal data protection laws, and other domestic or international laws related to the operations of Company and its subsidiaries through the reports of the Internal Audit Function. The Committee also directed the monitoring of new domestic and international laws that might become applicable and impact to the Company and its subsidiaries both domestic and international businesses in the future so as to comply the GC’s operations with new international laws and standards. 7. Review of the appointment of the Auditors The Audit Committee considered appropriateness of selection criteria for auditor and scrutinized qualified auditors based on their qualifications, capabilities, auditing experience, auditing methodology, performance, and independence according to the code of Ethics for Professional Accountants set by the Federation of Accounting Professions, in compliance with the regulations of the Securities and Exchange Commission, including appropriate remuneration fees. The Audit Committee then proposed the appointment of the Auditor to the Board of Directors with the proposed remuneration fees for their consideration and approval, to be submitted to approval in the Annual General Meeting of Shareholders. In 2023, the Shareholders approved the appointment of KPMG Phoomchai Audit Company limited (KPMG) as the Auditor of the Company for the year 2023. 210

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