GC One Report 2023 [EN]

No. Promoted Project Date of Issuance Product and Capacity Expiration of Corporate Income Tax Privilege Remark 5 Manufacture of petrochemicals Certificate No. 1616(2)/2556 May 8, 2013 Production of approximately 137,760 tons of paraxylene per year, approximately 73,800 tons of benzene per year, approximately 46,700 tons of toluene per year, and approximately 21,900 tons of othoxylene per year December 22, 2028 6 Manufacture of chemicals Certificate No. 1623(2)/2556 May 10, 2013 Production of approximately 154,176,000 cubic meters of purified hydrogen per year January 30, 2030 7 Manufacture of petrochemicals Certificate No. 1715(2)/2557 June 9, 2014 Production of approximately 55,000 tons of hexene-1 per year and approximately 4,000 tons of heavy polymers per year May 29, 2031 8 Manufacture of petrochemicals Certificate No. 2215(2)/2557 September 30, 2014 Production of approximately 400,000 tons of polyethylene (PE) per year January 7, 2031 9 Manufacture of petrochemicals Certificate No. 60-1300-0-00-1-0 November 20, 2017 Approximately 521,430 tons of ethylene per year Approximately 272,140 tons of propylene per year March 1, 2034 ORP Project 10 Utilities and basic services Certificate No. 61-1336-0-00-1-0 November 15, 2018 Goods handling and marine vessels; oil and petroleum product handling capacity of approximately 3,000,000 tons per year 13 years after income recognition Jetty 4 Project 11 Research and development Certificate No. 64-0228-1-00-2-0 March 3, 2021 Pilot research and development for the manufacturing of catalysts for various types of polymerization 8 years after income recognition 12 Research and development Certificate No. 64-0264-1-00-2-0 March 12, 2021 Pilot research and development for the manufacturing of polyethylene products 8 years after income recognition 13 Manufacture of petrochemicals Certificate No. 64-1078-1-04-1-0 October 14, 2021 Energy efficiency improvement. Production of ethylene, propylene, mixed C4 and pyrolysis gas products 3 years after income recognition OMP 405 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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