GC_ONE REPORT 2021_ENG

BUSINESS OPERATION AND PERFORMANCE CORPORATE GOVERNANCE FINANCIAL REPORTS AND FINANCIAL STATEMENTS APPENDIX EMPLOYEES As of December 31, 2021, the Company hired a total of 10,819 employees, including those employed by its subsidiaries, according to business structure, which can be divided into the following functions: 1. Direct reports to the Chief Executive Officer and President 14 employees 2. Internal Audit 26 employees 3. International Business Operations 4,480 employees 4. Corporate Strategy 54 employees 5. Finance and Accounting 176 employees 6. Organizational Effectiveness 205 employees 7. Corporate Secretary and Legal 41 employees 8. Sustainability and Corporate Branding 69 employees 9. Direct reports to Senior Executive Vice President - Upstream Petrochemical Business 145 employees 10. Group Performance Center - Aromatics 320 employees 11. Group Performance Center - Refinery and Shared Facilities 306 employees 12. Group Performance Center - Olefins 709 employees 13. Group Performance Center - Utilities 244 employees 14. Direct reports to Senior Executive Vice President - Downstream Petrochemical Business 110 employees 15. Polymers Business Unit 999 employees 16. EO-Based Performance Business Unit 137 employees 17. Phenol Business Unit 216 employees 18. Green Chemicals Business Unit 270 employees 19. Downstream Strategy and Business Development 232 employees 20. Marketing, Commercial and Supply 96 employees 21. Direct reports to Chief Operating Officer - Center of Excellence 965 employees 22. Technical, Engineering and Maintenance 462 employees 23. CAPEX Excellence 152 employees 24. Quality, Safety, Occupational Health and Environment 172 employees 25. Transformation Excellence 68 employees 26. Procurement 94 employees 27. Science and Innovation 57 employees Remark : GC will announce new organizational structure in line with the upcoming business conducts which will be effective from 1st Febuary 2022 onwards. TOTAL REMUNERATION PAID TO EMPLOYEES IN 2021 Type of Remuneration Total (Million Baht) Salaries, Bonus, Wages, and Other Welfares 15,938 Provident Fund Contributions 684 Post-Employment Benefits 486 Other Long-Term Employee Benefits 137 Total 17,245 The number of employees joining the provident fund scheme accounts for 73% 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) as well as takes into consideration past investment performance. 151

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