IRPC One Report EN

No. Connected Party/ Relationship Transaction 2021 2020 2019 Nature and Condition 12. Energy Complex Co., Ltd. (EnCo) Relationship: PTT Plc holds 50.00% shares - Common directors: Ms. Peangpanor Boonklum Mr. Chansak Chuenchom - Sales & admin expenses - Amortization of license asset - Interest expense under lease agreement - Right of use - Lease liabilities - Accrued interest under lease agreement - Contract deposit 64 30 1 3 3 - 20 65 30 2 33 34 1 20 98 - - - - - 20 - IRPC signed office rental and service agreements with EnCo for a period of three years (Feb. 2019 - 2022). 13. PTT International Trading Pte Ltd. (PTTT) Relationship: PTT Plc holds 99.99% shares - Sale of goods - Purchase of goods - Income (Expenses) from oil futures contracts - Account receivable - Other receivables - Other payables 11,510 - (311) 1,076 - 22 8,596 - (10) 539 - 125 18,248 629 201 1,289 40 - - IRPC sold petroleum products to PTTT. - IRPC purchased petroleum products from PTTT. - The Company entered into an oil futures contract with PTTT. 14. Dhipaya Insurance Plc (TIP) (3) Relationship: PTT Plc holds 13.33% shares - Other income - Sales & admin expenses - Other payables 561 360 - 244 307 3 6 270 2 - IRPC received compensation from TIP. - IRPC paid insurance premiums to TIP. 15. PTT Tank Terminal Co., Ltd. (PTTTANK) Relationship: PTT Plc holds 99.99% shares - Common director: Mr. Kris Imsang - Other income - - 3 - The company received income in personnel expenses from PTTTANK. 16. Business Services Alliance Co., Ltd. (BSA) Relationship: PTT Plc holds 25% shares - Other income - Sales & admin expenses - Other payables 3 331 60 3 269 22 3 267 22 - IRPC Oil Co., Ltd. received store management service income from BSA. - The company paid personnel wages to BSA. 278 IRPC PUBLIC COMPANY LIMITED 56-1 ONE REPORT 2021

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