Investor Presentaiton

IOC - The Largest Refiner in India Strategic Presence With Access to High Demand Markets Panipat Mathura Chennai Narimanam Bongaigaon Barauni Guwahati Haldia Paradip Digboi Strategically placed with access to high demand market of North India Note: Figures as of March 31, 2019 Importing Crude from Across the Globe North America 5% Middle East 65% Central Asia 2% Africa 25% Total crude oil import: 69 MMT (including 8.3 MMT for CPCL) Figures for FYE 2019 Capacity(69.2 MMT) Subsidiary Cos. (11.5 MMT) Leader in Refining Market Share(1) 32% 27% 15% 11% 8% 6% IOCL Reliance HPCL Note: Figures as of March 31, 2019. (1) Market share based on group Refining Capacity BPCL Nayara Energy ONGC Source: PPAC website Refinery Throughput (MMT) Capacity Utilization* (%) 72 104 69 100 94 65 FY 17 FY 18 FY 19 FY 17 FY 18 FY 19 2015-16 76.6 Energy Efficiency (MBN) 2016-17 2017-18 2018-19 71.3 72.6 74.9 Changing Crude Mix for Enhanced Profitability Type of Crude Oil Used Low Sulphur 45% ✓ Supply of BS VI grade fuels commenced in NCT and 12 contiguous districts. ✓ BS VI Projects on track Pan-India roll out by - South East Asia 4% High Sulphur 55% 01.Apr.2020. FY 18-19 Note: All figures for the year ended March 31 of the respective years.

View entire presentation