Hindustan Zinc Strategic Priorities and Growth Overview

Projects to Strengthen Competitive Edge Smelter and Refinery Exploration CPP HINDUSTAN ZINC Zinc & Silver of India Expansion Debottlenecking of smelter expansion to 1.2 Mtpa under plan and CLZS expansion to 5.04 lac tons (environment clearance received) Improved Safety Installed Pneumatic wrench machine, adopted line of fire concept and finger saver tools and provided emergency training Improved Productivity Installed in-house Proactive Process Control Composite Sampling System at Purification Plant Enhance Exploration • Development of resource model at Zawar Mines to identify exploration targets and re-configure mineralization Partnered with Objectivity, Canada, to optimize exploration drilling using DRX drill hole targeting system Motorized directional drilling to drive efficiency at less cost Improved Safety • Established remote control room for smooth plant operation/safe shutdown Weighted CO2 Flooding System at Chanderiya CPP Automated Pneumatic doors at bottom ash inspection door across CPPs to avoid fire injury

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