GC One Report 2023 [EN]

Company Product Nameplate Capacity (thousand tons per year) PTTAC Acrylonitrile (AN) 200 Methyl Methacrylate (MMA) 85 Company Product Nameplate Capacity (thousand tons per year) GC Propylene Oxide (PO) 200 Propylene Oxide (PO) PO is an intermediate petrochemical used as feedstock primarily used in the production of polyols, followed by the production of propylene glycol. GC’s plant is located in WHA Eastern Industrial Estate, with the nameplate capacity as shown in the table below. Policy and Marketing As a policy, PO is manufactured and distributed primarily to GC Polyols Co., Ltd. to generate added value for propylene products as well as to other domestic customers. Thus far, GC has strengths and competitive advantages in product delivery. In 2023, approximately 67% of the product was distributed domestically, accounting for a 24% domestic market share, while the remaining volume was exported to China, India, South Korea, Taiwan, and ASEAN. Acrylonitrile (AN) and Methyl Methacrylate (MMA) AN is an intermediate petrochemical widely used as primary feedstock for the production of the following derivatives. (1) Acrylonitrile-butadiene-styrene (ABS) is popular in electrical appliance and electronic device industries and is generally molded into exterior shells of electrical appliances thanks to its strength and resistance to scratch and customizability. (2) Acrylic fibers and other synthetic fibers are used as components in the production of garments, carpets, and other fibers. (3) Acrylamide is used in wastewater treatment and petroleum drilling industries. (4) Nylon 6,6 is widely used in the automotive industry to produce car parts due to its well-balanced hardness and toughness as well as good shape retention, which give the material superior resistance to impact, friction, heat, chemicals to regular plastics. (5) Nitrile Butadiene Latex (NBL) is synthetic rubber used in the manufacturing of medical gloves. (6) Carbon fiber compounds are lightweight high-strength material used in the aviation and sports industries and are playing an increasingly significant role in the automotive industry. MMA is an intermediate petrochemical and the main feedstock for polymethyl methacrylate (PMMA) and PMMA acrylic sheets, which are components of furniture, commercial light boxes, smartphone screens, television screens, and computer screens. They are also an ingredient for emulsion and paint, commonly used in the construction industry as MMA helps improve adhesion and durability and prolong product life. GC produces AN and MMA through PTT Asahi Chemical Co., Ltd. (PTTAC), which operates a plant in WHA Eastern Industrial Estate, Rayong, with the nameplate capacity as shown in the table below. Policy and Marketing PTTAC Co., Ltd. is the only AN producer in Southeast Asia and the world’s first manufacturing plant to use propane as feedstock for AN production in place of propylene. It also employs acetone cyanohydrin (ACH), which is a by-product from the AN plant, as the primary feedstock in the production of MMA. AN and MMA are sold both domestically and internationally, such as Indonesia and Malaysia, among other countries. 51 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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