GC One Report 2023 [EN]

No. Promoted Project Date of Issuance Product and Capacity Expiration of Corporate Income Tax Privilege Remark 19 Manufacture of petrochemicals Certificate No. 66-0315-0-00-1-2 March 9, 2023 Production of approximately 301,125 tons of phenol per year, approximately 186,700 tons of acetone per year, and by-products, consisting of approximately 2,285 tons of benzene & dips drag per year, approximately 2,520 tons of aromatics per year, approximately 13,190 tons of heavy residue per year, and approximately 11,620 tons of alpha-methylstyrene (AMS) per year. April 24, 2029 Previous certificate No. 1126(2)/2556, dated January 30, 2023, transferred from PPCL 20 Manufacture of petrochemicals Certificate No. 66-0316-0-00-1-2 March 9, 2023 Production of approximately 76,650 tons of epoxy resin per year 13 years after income recognition Previous certificate No. 61-0709-0-00-1-0, dated June 20, 2018, transferred from PPCL 21 Manufacture of petrochemicals Certificate No. 66-0124-0-00-1-2 January 24, 2023 Approximately 228,000 tons of propylene oxide per year By-products consist of: Approximately 3,420 tons of fuel gas per year Approximately 33,288 tons of fuel oil per year November 13, 2033 Previous certificate No. 60-0769-0-00-1-0, dated July 13, 2017, transferred from GCO Vencorex 22 Manufacture of chemical products for industries Certificate No. 1403(2)/2557 March 28, 2014 Production of approximately 18,000 tons of hexamethylene diisocyanate derivatives (HDI Derivatives) per year April 6, 2029 GC Polyols 23 Manufacture of petrochemicals Certificate No. 60-0770-0-00-1-0 July 13, 2017 Approximately 198,000 tons of polyols per year, consisting of polyether polyols (PPG), polymer polyols (POP), and formulated polyols (PREMIX) September 28, 2033 ENVICCO 24 Manufacture of recycled plastic: rPET (FOOD GRADE) and rHDPE Certificate No. 63-1102-1-00-1-0 June 17, 2020 Production of approximately 35,040 tons of rPET (FOOD GRADE) per year, approximately 16,650 tons of rHDPE, and by-products, consisting of metal scraps, plastic scraps (excluding PET and HDPE), and scraps and waste from manufacturing 13 years after income recognition 407 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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