GC One Report 2023 [EN]

Employees As of December 31, 2023, GC Group hired a total of 11,202 employees, which can be divided by function as follows: 1. Direct reports to Chief Executive Officer and President 20 employees 2. Corporate Strategy 51 employees 3. Finance and Accounting 198 employees 4. Organizational Effectiveness 178 employees 5. Sustainability 66 employees 6. Corporate Governance and Legal 43 employees 7. Internal Audit 26 employees 8. Direct Reports to Chief Operation Officer - Center of Excellence 1,182 employees 9. Transformation Excellence 71 employees 10. Procurement 94 employees 11. Technical, Engineering and Maintenance 456 employees 12. CAPEX Excellence 137 employees 13. Quality, Safety, Occupational Health and Environment 166 employees 14. Direct reports to Chief Operating Officer - Base and Intermediate Chemicals 377 employees 15. Marketing, Commercial and Supply Chain 144 employees 16. Refinery 294 employees 17. Aromatics 301 employees 18. Olefins 699 employees 19. EO and Derivatives 155 employees 20. Phenol and Derivatives 191 employees 21. Utilities 238 employees 22. Direct reports to Chief Operating Officer - Value Added Products 753 employees 23. Polymers 429 employees 24. Marketing and Sales - Industry Platforms 132 employees 25. Marketing and Sales - General Applications 44 employees 26. Strategy, Business Development and Commercial Excellence 46 employees 27. Product Innovation 120 employees 28. Direct reports to Chief Operating Officer - International Business 4,537 employees 29. Specialty Business 11 employees 30. US Second Home 10 employees 31. Innovation Growth Platforms and CVC 26 employees 32. International Finance and Strategy 7 employees Total Remuneration Paid to Employees in 2023 Type of Remuneration Total (Million Baht) Salaries, Bonus, Wages, and Other Welfares 28,636 Provident Fund Contributions 1,097 Post-employment Benefits 722 Other Long - Term Employee Benefits 22 Total 30,477 The number of GC and Subsidiaries employees joining the provident fund scheme accounts for 81% of all employees. Through its provident fund committee, GC selects a provident fund manager who is a signatory of the Investment Governance Code for Institutional Investors (I Code) and takes into consideration past investment performance. 173 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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