Group Shareholding Structure Business Structure and Shareholding IRPC Public Company Limited Subsidiaries Business type Shareholding (Percentage) IRPC Oil Company Limited Refined product distribution 99.99% Indirect subsidiary Rakpasak Company Limited Oil tanker rental services, fertilizer manufacturer and distributor 99.99% Subsidiaries Business type Shareholding (Percentage) Innopolymed Company Limited (Other joint venture partner: Innobic (Asia) Co., Ltd. 40%) Production and distribution of nonwoven fabric products and medical consumables 60.00% IRPC A&L Company Limited (Other joint venture partners: Nippon A&L Co., Ltd. 39.99%, others 2.53%) Distribution of polymers 57.48% iPolymer Company Limited (Other joint venture partners: Guangzhou Saiju Performance Polymer Ltd. 45%) Distribution of polymers and chemicals through E-Commerce 55.00% Joint Venture IRPC Polyol Company Limited (Other joint venture partner: PCC Rokita SA 50%) Production and distribution of polyol products 50.00% Mitex Polymer (Thailand) Company Limited (Other joint venture partner: Japan Polychem Corporation 50%) Production and distribution of chemicals 50.00% Associate Company UBE Chemicals (Asia) Public Company Limited (Other joint venture partners: UBE Corporation 74%, others 1%) Production and distribution of petrochemical products 25.00% Petrochemical Petroleum 93 Structure and Business Operations of IRPC 56-1 ONE REPORT 2023
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