IRPC One Report EN

• Mytex Polymers (Thailand) Co., Ltd., with IRPC and Japan Polychem Corporation each holding 50% shares, with registered and paid-up capital of Baht 120 million, was established to engage in the manufacture and distribution of specialty polypropylene plastic pellets. • Vajira Lab for Society Co., Ltd., with IRPC and Navamindradhiraj University each holding 50% shares, and registered and paid-up capital of Baht 22 million, engages in testing services and certification of medical equipment. • WHA Industrial Estate Rayong Co., Ltd., with IRPC holds 40% shares and WHA Industrial Development Public Company Limited holds 60%, and Baht 680 million of registered and paid-up capital, operates industrial estate development business. Associated Companies • IRPC Clean Power Company Limited (IRPC-CP), with 48.99% shareholding of IRPC and 51% shareholding of Global Power Synergy Plc, is a small power producer (SPP) with a capacity of 240 megawatts. • UBE Chemicals (Asia) Public Company Limited (UCHA), with 25% shareholding of IRPC, 74% shareholding of UBE Industries Limited and 1% shareholding of others, is an international market leader in caprolactum and Nylon 6, with a capacity of 130,000 tons and 75,000 tons per year, respectively. • PTT Energy Solutions Company Limited (PTTES), with 20% shareholding of IRPC, 40% shareholding of PTT Public Company Limited, 20% shareholding of PTT Global Chemical Public Company Limited, and 20% shareholding of Thai Oil Public Company Limited, is an engineering consulting firm. Major Subsidiaries, Joint Ventures and Associated Companies Subsidiaries • IRPC Oil Co., Ltd., a subsidiary of IRPC, with 99.99% shareholding and Baht 2,000 million registered and paidup capital, is a distributor of oil products from IRPC’s refinery with five depots in different regions to support product distribution. • IRPCTechnologyCompany Limited or “IRPCTechnological College”, a subsidiary of IRPC, with 99.99% shareholding and Baht 750 million registered and paid-up capital, is an educational institution in industry and technology at Vocational Certificate and High Vocational Certificate levels in Commercial and Factory Mechanics. • Innopolymed Co., Ltd., a subsidiary of IRPC, with 60% shareholding while Innobic (Asia) Company Limited holds 40% shares, with registered and paid-up capital of Baht 182 million, was established to produce and distribute non-woven fabric and medical consumables. • IRPC A&L Company Limited, a Styrenics polymer supplier, with Baht 10 million registered and paid-up capital, is a subsidiary of IRPC with 57.48% shareholding, while Nippon A&L Co., Ltd. holds 39.99%, and others hold 2.53%. • iPolymer Company Limited (iPolymer), a subsidiary of IRPC with 55% shareholding, along with 45% shares being held by Guangzhou Saiju Performance Polymer Ltd., has registered and paid-up capital of Baht 120 million, was established to trade in plastic pellets and chemicals via E-commerce in Thailand. Joint Ventures • IRPC Polyol Ltd., with IRPC and PCC Rokita SA each holding 50% shares, has a registered and paid-up capital of Baht 370 million. IRPC Polyol, produces and distributes polyol products, consisting of polyester and polyether polyol used as feedstocks for the production of polyurethane for the manufacture of products such as foam used to make furniture, shoe liners and thermal insulation. 98 IRPC PUBLIC COMPANY LIMITED 56-1 ONE REPORT 2021

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