Hindustan Zinc Limited

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HZL/2023-SECY/ BSE Limited P.J. Towers, Dalal Street, Mumbai - 400001 September 20, 2023 National Stock Exchange of India Ltd. “Exchan

75%

s of Excellence at Hindustan Zinc India’s Largest Integrated producer of zinc, lead and silver ~75% Market share in India’s primary zinc industry 5th Largest Silver producer globally1 2nd Larges

273.5 MW

ons at Rampura Agucha2 Among India’s Largest Wind power producers with a generation capacity of 273.5 MW across 5 states The Six Pillars of Our Strong Foundation Fully Integrated & Responsible Player

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ial Confidential 4 4 From Goals to Glory: Reflecting a Journey of Accomplishments Dividend Yield 5X+ Earnings Per Share 7X+ CSR Spend 90X+ Refined Metal Production 4X+ Since the disinvestment b

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om Goals to Glory: Reflecting a Journey of Accomplishments Dividend Yield 5X+ Earnings Per Share 7X+ CSR Spend 90X+ Refined Metal Production 4X+ Since the disinvestment by GoI two decades ago, H

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ry: Reflecting a Journey of Accomplishments Dividend Yield 5X+ Earnings Per Share 7X+ CSR Spend 90X+ Refined Metal Production 4X+ Since the disinvestment by GoI two decades ago, Hindustan Zinc, a

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mplishments Dividend Yield 5X+ Earnings Per Share 7X+ CSR Spend 90X+ Refined Metal Production 4X+ Since the disinvestment by GoI two decades ago, Hindustan Zinc, as a subsidiary of Vedanta Limi

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acy of progressive growth, underscored by its performance excellence Contribution to Exchequer 75X+ Revenue 22X+ Profit After Tax 74X+ Market Capitalisation 200X+ (During FY 2002-03 to FY 2022-

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sive growth, underscored by its performance excellence Contribution to Exchequer 75X+ Revenue 22X+ Profit After Tax 74X+ Market Capitalisation 200X+ (During FY 2002-03 to FY 2022-23) Confident

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ed by its performance excellence Contribution to Exchequer 75X+ Revenue 22X+ Profit After Tax 74X+ Market Capitalisation 200X+ (During FY 2002-03 to FY 2022-23) Confidential Confidential 5 5

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lence Contribution to Exchequer 75X+ Revenue 22X+ Profit After Tax 74X+ Market Capitalisation 200X+ (During FY 2002-03 to FY 2022-23) Confidential Confidential 5 5 From Goals to Glory: Reflectin

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From Goals to Glory: Reflecting a Journey of Accomplishments Milestone Celebrations through 55+ years 2009 • Hindustan Zinc became world’s 2nd largest integrated zinc producer 2005 • Hydro-I commissi

Extensive Operational Asset Base

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Hindustan Zinc Limited

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From Goals to Glory

1

Cost Target

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From Goals to Glory

Reflecting a Journey of Accomplishments Milestones Galore: Reflecting on FY 2022-23 Achievements Excellence and Long-term Success with Operations Spanning Critical Areas

Extensive Operational Asset Base

Cornerstones of Our Long-term Success 4 5 7 8 9 3 Hindustan Zinc: Powered by Integration, Rooted in Strengths A Vedanta Limited subsidiary Headquartered in Udaipur, Rajasthan Mining facilities across Rajasthan Listed on the NSE and BSE Five Decades of Excellence at Hindustan Zinc India’s Largest Integrated producer of zinc, lead and silver ~75% Market share in India’s primary zinc industry 5th Largest Silver producer globally1 2nd Largest Integrated zinc producer globally2 World’s Largest Underground zinc mining operations at Rampura Agucha2 Among India’s Largest Wind power producers with a generation capacity of 273.5 MW across 5 states The Six Pillars of Our Strong Foundation Fully Integrated & Responsible Player Sustainability Ethos Focus on Value Creation Robust Governance Framework Technology & Innovation Strong People Practices 1st Quartile Position in zinc cost curve; amongst the lowest globally2 25+ Years Mine life3 1 World Silver Institute for silver producer rankings 2 Wood M

Extensive Operational Asset Base

Cornerstones of Our Long-term Success Mines Mines Rampura Agucha Mine Sindesar Khurd Mine Rajpura Dariba Mine Bamnia Kalan Kayad Mine Zawar Mines R&R Summary Category Reserve Mineral Resource - Measured and Indicated Mineral Resource - Inferred Reserve Resource (Mt) 44.8 43.4 34.3 - 1.5 49.4 (Mt) 25.2 67.2 39.3 41.4 6.0 107.4 Reserve Grade Zinc (%) 11.2 Reserve Grade Lead (%) 1.3 3.0 5.4 - 5.2 2.8 2.0 1.6 - 0.9 1.3 Tonnage (Mt) 173.5 126.7 Zinc (%) 5.6 4.6 Lead (%) 1.6 1.8 159.9 4.3 2.1 Silver (g/t) 56 62 57 Smelters Smelters Chanderiya Lead-Zinc Smelter Dariba Smelting Complex Debari Zinc Smelter Pyrometallur gical Zinc Smelter (TPA) 105,000 Pyrometallur gical Lead Smelter (TPA) 90,000 Hydrometallur gical Zinc Smelter (TPA) 480,000 Lead Smelter (TPA) - - - - - 240,000 120,000 88,000 - Smelting Capacity Zinc Smelting 913,000 TPA Lead Smelting 210,000 TPA Silver Refining 800 TPA Power Capacity Wind Power 273.50 MW Thermal Power 505.50 MW WHRB Power 40.67 MW Solar Power 40.57 MW Confiden

Cost Target

• US$ 1,125-1,175/tonne (FY 2023-24) • <US$ 1,000/tonne (long-term) S - Strategic Priority; AI/ML - Artificial Intelligence/Machine Learning; UG - Underground; R&R - Ore Reserves and Mineral Resources Confidential 12 Advancing Priorities to Reach New Horizons of Success S4 S5 Expansion of Product Portfolio through Customer Centricity Progressing Towards a Sustainable Future STRATEGIC FOCUS • Expanding VAP aligned to evolving customer needs, backed by • Reduce carbon footprint and enhance sustainability via efficiency new ventures - HZAPL and HZFPL - to evolve into a product-based company and meet domestic market needs improvements, RE, responsible resource use, waste management and zero liquid discharge, aligning with UN SDGs and global ESG practices WAY FORWARD • Innovating in lead & zinc alloys for better margins • Sourcing up to 450 MW RE power — over 50% of our energy • Commissioning of: HZAPL to cater Indian and international demand; and 510 Ktpa HZFPL plant to utilise Sulphuric a