GC One Report 2023 [EN]

PTT Global Chemical Public Company Limited and its Subsidiaries For the year ended 31 December 2023 Notes to the Financial Statements PTT Global Chemical Public Company Limited and its Subsidiaries Notes to the financial statements For the year ended 31 December 2023 49 10 Investments in joint ventures and associates Consolidated financial statements Type of business Country of operation Ownership Interest Equity method Impairment Equity method - net Dividend income 2023 2022 2023 2022 2023 2022 2023 2022 2023 2022 (%) (in million Baht) Direct joint ventures PTT Asahi Chemical Co., Ltd. Manufacturing and distributing petrochemical products Thailand 50 50 9,449 10,467 - - 9,449 10,467 - 750 PTT MCC Biochem Co., Ltd. Manufacturing and distributing bioplastic products Thailand 50 50 840 197 - - 840 197 - - HMC Polymers Co., Ltd. Manufacturing and distributing petrochemical products Thailand 41 41 9,681 11,791 - - 9,681 11,791 - 124 Revolve Group Limited Manufacturing and distributing chemical products United Kingdom 49 49 270 241 - - 270 241 - - Thai Tank Terminal Limited Service for the storage and handling of liquid chemicals, oil and gas Thailand 36 36 2,687 2,826 - - 2,687 2,826 1,002 - GC Logistics Solutions Co., Ltd. Transportation, warehouse management and bagging packing for chemical business Thailand 50 - 3,973 - - - 3,973 - - - 26,900 25,522 - - 26,900 25,522 1,002 874 293 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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