Company Business type Shareholding (Percentage) Paid-up capital (Unit: MB) IRPC Clean Power Company Limited Address: 299 Moo 5, Sukhumvit Road, Choeng Noen Subdistrict, Mueang Rayong District, Rayong Province Telephone 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 Office Tower, 18th Floor, North Sathorn Road, Silom Subdistrict, Bang Rak District, Bangkok Telephone 0-2206-9300 Production and distribution of petrochemical products 25.00% 10,739 VISUP Company Limited Address: 555 Moo 1, Pa Yup Nai Subdistrict, Wang Chan District, Rayong Province Investment in other businesses 22.22% 90 Company Business type Shareholding (Percentage) Paid-up capital (Unit: MB) Guangzhou Saiju Performance Polymer Ltd. Address: G314, No. 201, Kezhu Road, New and Hi-tech Industrial Development Zone, Science City, Guangzhou, China, 510000 Telephone 020-38033614 Distribution of polymers and chemicals through E-commerce in China 15.00% 8.9 (Unit: Million Yuan) Sarn Palung Social Enterprise Company Limited Address: 555/1 Energy Complex Building, Building A, 10th Floor, Vibhavadi Rangsit Road, Chatuchak Subdistrict, Chatuchak District, Bangkok Telephone 0-2537-2971 Support execution of social enterprises 15.00% 2.5 Rayong Acetylene Company Limited Address: 2/3 Moo 14, Bangna-Trad Road, Km. 6.5, Bang Kaeo Subdistrict, Bang Phli District, Samut Prakan Province Telephone 0-2338-6100 Production and distribution of acetylene gas 13.04% 115 Company Business type Shareholding (Percentage) Paid-up capital (Unit: MB) Vajira Lab for Society Company Limited Address: 3 Khao Road, Wachira Phayaban Subdistrict, Dusit District, Bangkok Telephone 0-2244-3952 Laboratory testing and certification services for medical devices 50.00% 28 WHA Industrial Estate Rayong Company Limited Address: 777 WHA Tower Building, Floors 23-25, Moo 13, Debaratana Road (Bangna-Trad) Km. 7, Bang Kaeo Subdistrict, Bang Phli District, Samut Prakan Province Telephone 0-2719-9555 Industrial estate development 40.00% 800 Joint Venture Associate Company Other investments 96 Structure and Business Operations of IRPC IRPC Public Company Limited
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