Company Abbreviation Business Type Registered Capital (Million Baht) Paid-up Capital (Million Baht) Ownership Interest (%) 9 GC Maintenance and Engineeting Co., Ltd. GCME Plant maintenance and engineering services 200 137 100 10 GC Oxirane Co., Ltd. GCO Manufacturing and distribution of petrochemical products 7,761 7,5382) 100 11 GC Polyols Co., Ltd. GCP Manufacturing and distribution of petrochemical products 4,002 4,0021) 82.1 12 GC Styrenics Co., Ltd. GCS Manufacturing and distribution of petrochemical products 190 190 100 13 GC Treasury Center Co., Ltd. GCTC Financial management services 10 10 100 14 GC Ventures Co., Ltd. GCV Investment in the form of corporate venture capital (CVC) domestically and overseas 1,0107) 7817) 100 15 GC Ventures America Corporation GCVA Investment in the form of CVC in the United States USD 1 USD 1 100 (via GCV) 16 GC-M PTA Co., Ltd. GC-M PTA Manufacturing and distribution of petrochemical products 4,800 4,800 74 (49% direct interest held, 25% via Glycol) 17 Global Green Chemicals PLC GGC Manufacturing and distribution of oleochemical products 9,725 9,725 72.29 18 GC Glycol Co., Ltd. Glycol Manufacturing and distribution of petrochemical products 5,395 5,395 100 19 NPC Safety and Environmental Service Co., Ltd. NPC S&E Safety and environmental management and consulting services 165 165 100 20 NPC S&E Security Guard Co., Ltd. NPCSG Security services and consultancy 5 5 100 (via NPC S&E) 21 PTT Phenol Co., Ltd. PPCL Manufacturing and distribution of petrochemical products 11,851 11,851 100 22 PTTGC America Corporation GCA Corp Investment in overseas petrochemicals business USD 1 USD 1 100 389 BUSINESS OPERATION AND PERFORMANCE CORPORATE GOVERNANCE FINANCIAL REPORTS AND FINANCIAL STATEMENTS APPENDIX
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