Investor Presentaiton

Smelters - Equipped for 1.2 mn MT Process & Technology Metal Process Hydro Metallurgy Zinc Pyro Metallurgy Technology Outokumpu roast-leach-electro winning technology Imperial smelting technology Imperial smelting technology Z vedanta transforming elements Smelter Debottlenecking Phase 1: December 2017 • . • Cell house operation @ 200 KA from 180 KA Upgradation of Roaster leaching circuits Mechanisation of cell house at Debari zinc plant Phase 2: December 2018 • Expansion of Dariba zinc cell house Leaching & purification circuit debottlenecking @ Dariba • Oxygen enrichment in roasters to increase throughput • Lead Pyro Metallurgy Ausmelt Top Submerged Lance technology SKS, bottom blowing technology Metal Recovery in Hydro 120.00 100.00 96.75 97.50 90.00 80.00 60.00 40.00 20.00 Metal recovery % Smelter Capacities After Debottlenecking kt 1400 1200 92.60 1200 1074 1028 92 1000 88 92 460 800 320 334 600 400 0.00 0.00 620 648 648 200 Zinc Lead Silver 0 Current Phase I Phase II Exisiting Metal Recovery Enhanced metal recovery with fumer (pilot project commissioning in mid FY 2019) Chanderiya Dariba Debari -Total 10

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