IRPC One Report EN

2.1 Market Gross Integrated Margin (Market GIM) 2.2 Accounting Gross Integrated Margin (Accounting GIM) GRM PTF Power & Utilities Market GIM Stock Gain/ (Loss)+LCM Realized Oil Hedging (USD/bbl) (USD/bbl) (MB) (MB) Note: *Reclassified GRM and PTF 30,000 25,000 20,000 15,000 10,000 5,000 0 45,000 40,000 35,000 30,000 25,000 20,000 15,000 10,000 5,000 0 (5,000) 30 25 20 15 10 5 0 45 40 35 30 25 20 15 10 5 0 (5) 2021 2021 2020* 2020 2021 2021 2020* 2020 The Market Gross Integrated Margin (Market GIM) in 2021 was Baht 29,588 million or USD 13.12 per barrel increasing by Baht 10,174 million or USD 4.34 per barrel from that last year. This was mainly from improvements of most petroleum and petrochemical products spreads. Such improvements was owing to the progressed overall COVID-19 pandemic situations. The Market GIM was also supported by the Company’s efficiency-enhancement projects for production processes and the whole organization being performed regularly. However, the crude premium increased by USD 1.60 per barrel. 29,588 19,414 13.12 1.15 8.78 1.26 13,668 11,179 6.06 5.05 2,605 2,771 13,315 5,464 5.91 2.47 40,692 17,825 18.04 8.06 29,588 (3,323) 19,414 13.12 8.78 5.79 13,058 (1,954) 1,734 (0.87) 0.78 (1.50) 175 Management Discussion and Analysis (MD&A) IRPC PUBLIC COMPANY LIMITED

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