Investor Presentaiton

Strong Focus on Research and Development (इंडियन ऑयल IndianOil INDMAX Diesel Hydro treating Naphtha Isomerization Technology Focus on Products & Technology developed to Indane NANOCUT LPG maximize light distillates from refinery residue • Commercialized 1.2 MMTPA grass-root DHDT facility in Bongaigaon Railroad Oils Retrofitting of Bongaigaon refinery for producing Euro-III/ IV motor spirit Marine Oils Fuel Efficient • Commercialization Engine Oils of R&D developed fuel efficient engine oil for gasoline & diesel car Hot Rolling Oils Hi-therm cutting gas LPG based metal • Improved efficiency and safety standards 1st in India to introduce multi- grade railroad oil to Indian Railways significant fuel and oil savings - • One of six companies to develop "OEM Approved Marine Technology Equipment" Commercialization of R&D developed energy efficient hot rolling oil in association with RDCIS in steel plants Collaborations LanzaTech Game-changing technology for Conversion of CO₂ to value added products 2 Vito vision on technology Conversion of Carbon dioxide to chemicals Active Patents Portfolio As on March 31, 2017 By Geography By Division 51 244 228 9% 34% 188 44% 41% Investments in Research & Development Indalin: Technology for conversion of naphtha to light olefins, LPG & aromatic rich gasoline; feasibility under study Delayed Coking: Thermal cracking technology for conversion of long/short residue to distillates. Partnership with Engineers India Limited Octamax: Technology for dimerization of cracked C4 to high octane (RON) component for Euro IV/V gasoline 275 50% 22% FCC Catalyst Additives: CO - Combustion promoter, Coke Reduction Additive, Residue Upgradation Additive for bottom Upgradation 122 India USA Others ■Lubes ■Refineries ■ Others DHDS/DHDT Catalysts: Demonstrated at CPCL for ULSD in 2009. Partnership with Sud-Chemie India Limited (SCIL) Total Patents: 554 Vegetable Oil co-processing in DHDT: Successful technology demonstrated in 2013 including demetallation of vegetable oil Source: Company Filing 18

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