IRPC One Report 2022 EN

Company Business Type Shareholding proportion Paid-up capital (Unit: Million Baht) IRPC Clean Power Company Limited Address: 299 Moo 5, Sukhumvit Road, Choeng Noen Subdistrict, Mueang Rayong District, Rayong Province Tel. 0-3892-1333 Ext. 4810-4813 Production and distribution of electricity and steam 48.99% 3,362 UBE Chemicals (Asia) Public Company Limited Address: 98 Sathorn Square Building, Office Tower, 18th Floor, North Sathorn Road, Silom Subdistrict, Bang Rak District, Bangkok Tel. 0-2206-9300 Fax 0-2206-9310 Production and distribution of petrochemical products 25.00% 10,739 Associate Companies Joint venture Compan Business Type Shareholding proportion Paid-up capital (Unit: Million Baht) IRPC Polyol Company Limited Address: 555/2 Energy Complex, Building B, 7th Floor, Vibhavadi Rangsit Road, Chatuchak Subdistrict, Chatuchak District, Bangkok Tel. 0-2765-6666, 0-2765-7000 Fax 0-2765-6677, 0-2765-6701 Production and distribution of polyols 50.00% 370 Mitex Polymer (Thailand) Co., Ltd. Address: 100/60 Sathorn Nakorn Tower, 29th Floor, North Sathorn Road, Silom, Bangrak, Bangkok Tel. 0-2267-1854 Production and distribution of chemicals 50.00% 120 Vajira Lab for Society Co., Ltd. Address: 3 Khao Road, Vajiraphayaban Subdistrict, Dusit District, Bangkok Tel. 0-2244-3952-4 Testing and certification services for medical equipment 50.00% 28 WHA Industrial Estate Rayong Company Limited Address: 777 WHA Tower, Floors 23rd- 25th, Moo 13, Debaratana Road (Bangna-Trad), Km. 7, Bang Kaeo Subdistrict, Bang Phli District, Samut Prakan Province Tel. 0-2719-9555 Industrial estate development 40.00% 710 91 Structure and Business Operations of IRPC IRPC PUBLIC COMPANY LIMITED

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