IRPC One Report EN

Connected Transactions For the fiscal year 2021, the IRPC and its subsidiaries engaged in key connected transactions with related companies or parties. These transactions were based on market prices or, in the absence of market prices, the prices agreed upon at fair prices and conditions. The relationship and connected transactions are described below: No. Connected Party/ Relationship Transaction 2021 2020 2019 Nature and Condition 1. PTT Plc (PTT) Relationship: IRPC’s major shareholder with 45.05% shares - PTT Management on IRPC Board of Directors Mr. Kris Imsang Ms. Peangpanor Boonklum Mr. Chansak Chuenchom Mr. Chawalit Tippawanich - Sale of goods - Purchase of goods - Other income - Sales & admin expenses - Interest payables - Account receivable - Accounts payable - Other receivables 192 166,119 5 41 - 19 24,503 2,789 593 103,029 75 46 3 542 21,674 1 22 155,802 11 54 31 2 21,431 - - IRPC sold petroleum products and provided tank storage service to PTT. - IRPC purchased crude oil and natural gas from PTT. - IRPC received logistics compensation from PTT. - IRPC paid personnel expenses to PTT. - IRPC paid short-term loan interest (ICBL) to PTT. 2. PTT Oil and Retail Business Plc (PTTOR) Relationship: PTT Plc holds 75.00% shares - Common director: Mr. Kris Imsang - Sale of goods - Purchase of goods - Other income - Sales & admin expenses - Accounts receivable - Accounts Payable 32,681 163 - 2 1,993 13 24,102 13 1 - 1,619 - 26,830 22 - 2 1,608 - - IRPC sold petroleum products to PTTOR. - IRPC purchased lubricant products from PTTOR. - IRPC received income for decorating Cafe Amazon outlets. - IRPC Oil Co., Ltd. and IRPC Technology Co., Ltd. paid royalties and marketing fees for sale of goods and transportation expenses to PTTOR. 3. Thai Oil Plc (TOP) Relationship: PTT Plc holds 45.03% shares - Service income - Trade in crude and feedstocks for legal reserves. - Purchase of goods - Other income - Sales & admin expenses - Account receivable 42 571 34 3 - - 118 - - - - 11 177 2,240 - - 4 9 - IRPC provided tank storage service to TOP. - IRPC traded in crude and feedstocks for legal reserves with TOP. - IRPC purchased crude from TOP. - IRPC received compensation from TOP. - IRPC paid compensation to TOP. 276 IRPC PUBLIC COMPANY LIMITED 56-1 ONE REPORT 2021

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