IRPC One Report 2022 EN

Revenue structure Notes: (1) Other businesses consist of revenue from electricity and utilities charges. (2) Revenue from net sales consist of petroleum business (excluding excise tax), petrochemical business, and electricity and utilities business. Structure and Business Operations of IRPC IRPC and its subsidiaries generated revenues from distribution and sales of products as follows: Revenue from petroleum products accounted for 77 per cent of total net sales primarily from diesel, gasoline, fuel oil, lube base oil and asphalt. Revenue from petrochemical products accounted for 22 per cent from olefins, aromatics, and various polymers, or plastic pellets. In addition, the company earned revenue from other businesses, accounting for one per cent from electricity and utilities charges collected. In 2022, IRPC’s net sales revenue totaled Baht 318,396 million as shown below: Revenue Structure Type of Business Operated by/ Shareholding proportion held by IRPC 2020 2021 2022 Million Baht % Million Baht % Million Baht % 1. Petroleum IRPC Plc. IRPC Oil Co., Ltd. (99.99%) 101,429 67% 160,626 68% 243,953 77% 2. Petrochemical IRPC Plc. Innopolymed Co., Ltd. (60.00%) IRPC A&L Co., Ltd. (57.48%) iPolymer Co., Ltd. (55.00%) 47,457 31% 71,089 30% 70,402 22% 3. Other businesses (1) IRPC Plc. 3,433 2% 3,459 2% 4,041 1% Total revenue from net sales (2) 152,319 100% 235,174 100% 318,396 100% Share of profits from investment in associated companies 333 713 284 56-1 One Report 2022 60 IRPC PUBLIC COMPANY LIMITED

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