No. Connected Party/ Relationship Transaction 2021 2020 2019 Nature and Condition 4. Thai Lube Base Plc (TLB) Relationship: TOP holds 99.99% shares - Sale of goods - Purchase of goods - - - - 192 5 - IRPC sold aromatics to TLB. - IRPC purchased lube base oil products from TLB. 5. Thai Paraxylene Co., Ltd. (TPX) Relationship: TOP holds 99.99% shares - Sale of goods - Purchase of goods - Accounts payable 445 1,400 - - 743 67 44 606 11 - The company sold aromatics products to TPX. - IRPC purchased aromatics products from TPX. 6. Thai Oil Marine Co., Ltd. (TOM) (1) Relationship: TOP holds 99.99% shares - Service income - Account receivable 11 - 34 2 34 3 - IRPC provided port services to TOM. 7. Top Solvent Co., Ltd. (TS) Relationship: Thai Oil Solvent Co., Ltd. holds 99.99% shares - Sale of goods - Purchase of goods - Account receivable - Accounts payable 1,247 114 104 14 767 50 69 7 1,100 90 85 8 - IRPC sold aromatics products to TS. - IRPC purchased Solvent products from TS. 8. Top Solvent Vietnam Co., Ltd. (TSV) Relationship: Top Solvent Co., Ltd. holds 99.99% shares - Sale of goods - Account receivable 568 26 433 56 675 32 - IRPC sold aromatics products to TSV. 9. Sak Chaisit Co., Ltd. (SAKC) Relationship: Top Solvent Co., Ltd. holds 80.52% shares - Sale of goods - Account receivable 222 3 141 5 324 4 - IRPC sold aromatics products to SAKC. 10. Ubon Bio Ethanol Plc (UBBE) (2) Relationship: Thai Oil Ethanol Co., Ltd. holds 12.39% shares - Purchase of goods - Accounts payable 99 - 253 1 - - - IRPC purchased ethanol products from UBBE. 11. PTT Energy Solutions Co., Ltd. (PTTES) Relationship: PTT Plc holds 40.00% shares IRPC Plc holds 20.00% shares - Common director: Mr. Chawalit Tippawanich - Other income - Sales & admin expenses - Other receivables 4 82 2 3 77 - - 97 - - IRPC received personnel expenses from PTTES. - IRPC paid PTTES technical service fees. 277 Internal Control and Connected Transaction IRPC PUBLIC COMPANY LIMITED
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