GC_ONE REPORT 2021_ENG

PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED AND SUBSIDIARIES FOR THE YEAR ENDED DECEMBER 31, 2021 NOTES TO THE FINANCIAL STATEMENTS - 76 - Name of entities Country of incorporation/ nationality Nature of relationships IRPC Plc. Thailand Other related party, shareholding by parent company IRPC Polyol Co., Ltd. Thailand Other related party, indirect shareholding by parent company Carigali-PTTEPI Operating Company Sdn. Bhd. Malaysia Other related party, indirect shareholding by parent company PT.Tirta Surya Raya Indonesia Other related party, indirect shareholding by parent company PTTEP South Asia Limited Cayman Islands Other related party, indirect shareholding by parent company PTT Treasury Center Company Limited Thailand Other related party, shareholding by parent company PTT International Trading London Ltd. England Other related party, shareholding by parent company PTT International Trading Pte. Ltd. Singapore Other related party, shareholding by parent company, common director TPBI & Myanmar Star Co., Ltd. Myanmar Other related party, shareholding by subsidiary The pricing policies for particular types of transactions are explained further below: Transactions Pricing policies Sale of goods Contract price / Regional market price / World market price Rendering of services Contract price Purchase of goods / raw materials / services Contract price / Market price Interest on loan Average cost of fund / Contractually agreed rate Key management personnel compensation (Meeting allowance and bonus) The rate approved by the Board of Directors and shareholders Significant transactions for the years ended December 31, 2021 and 2020 with related parties were as follows: Unit : Million Baht Consolidated financial statements Separate financial statements 2021 2020 2021 2020 Parent Sales of goods or rendering of services 19,503 17,738 19,375 17,630 Purchases of goods or receiving of services 272,177 176,071 271,128 175,664 Gain from sales of investment in an associate 10,056 - 10,522 - Other income 12 519 12 518 Interest expense 18 16 16 16 Other expense 160 74 152 66 Expense capitalised to fixed assets 138 88 136 81 308 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2021

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