Hindustan Zinc Limited

75%

oducer, with the lowest cost structure & in the first decile of the global zinc mines cost curve 75%+ market share in India’s primary zinc market, consistent c.51% EBITDA margin World’s largest UG

51%

he global zinc mines cost curve 75%+ market share in India’s primary zinc market, consistent c.51% EBITDA margin World’s largest UG zinc mining operations at Rampura Agucha and 2nd largest silver

0.5 Mt

: Internal (C3) 7 Sustainability Goals 2025 Climate Change Water Stewardship Circular Economy 0.5 MtCO2e GHG emission savings in operations from 2017 Become 5x water positive company and achieve

5x

er Stewardship Circular Economy 0.5 MtCO2e GHG emission savings in operations from 2017 Become 5x water positive company and achieve 25% reduction in freshwater consumption 3x increase in gainf

25%

CO2e GHG emission savings in operations from 2017 Become 5x water positive company and achieve 25% reduction in freshwater consumption 3x increase in gainful utilization of smelting process wast

3x

from 2017 Become 5x water positive company and achieve 25% reduction in freshwater consumption 3x increase in gainful utilization of smelting process waste Biodiversity Conservation Protect and

7.5%

e biodiversity throughout the life cycle Status 0.5 MtCO2e achieved from base year 2017 Status 7.5% reduction expected from base year 2020 Status 1.24x utilisation achieved from base year 2020 St

1.24x

5 MtCO2e achieved from base year 2017 Status 7.5% reduction expected from base year 2020 Status 1.24x utilisation achieved from base year 2020 Status 0.72 mn trees planted from base year 2020 Susta

50%

nted from base year 2020 Sustainability Goals 2025 Zero Harm Zero work-related fatalities and 50% reduction in TRIFR Status c.54% TRIFR reduction from base year 2020 Social Impact Diversity in

54%

ability Goals 2025 Zero Harm Zero work-related fatalities and 50% reduction in TRIFR Status c.54% TRIFR reduction from base year 2020 Social Impact Diversity in Workforce Responsible Sourcing

1.9 million

sitively impact one million lives through social, economic and environmental initiatives Status 1.9 million people impacted Inclusive and diverse workplace with 30% diversity 100% responsible sourcing

30%

vironmental initiatives Status 1.9 million people impacted Inclusive and diverse workplace with 30% diversity 100% responsible sourcing in the supply chain Status 23.6% diversity (executive)

“Silver’s high conductivity makes silver highly effective for solar energy industry It is used nearly in every electronic system from telecommunications, infrastructures to electric vehicles As we move to a high-tech, low-carbon economy, we will need more technologies that utilize silver HINDUSTAN ZINC LIMITED - Q3 FY25 INVESTOR PRESENTATION Sensitivity: Internal (C3) 10 MARKET UPDATE AND OPERATIONAL REVIEW Mr.”

“growth capex of INR 321 Cr) HINDUSTAN ZINC LIMITED - Q3 FY25 INVESTOR PRESENTATION EPS: Earnings per share Sensitivity: Internal (C3) 18 9M FY25 Financial Highlights Revenue EBITDA EBITDA Margin ₹ 24,996 crore ₹ 12,649 crore c.51% Up 17% YoY Up 26% YoY Up c.360 bps YoY Profit after Tax FCF pre capex^ EPS ₹ 7,350 crore ₹ 9,664 crore ₹ 17.40 / share Up 28% YoY Strong cash flows Up 28% YoY ^ Free cash flow (FCF) pre capex of INR 3,029 Cr (incl.”

“EBITDA Volume Cost Marketing & others Q3 FY25 Note: All financials are at consolidated level HINDUSTAN ZINC LIMITED - Q3 FY25 INVESTOR PRESENTATION Sensitivity: Internal (C3) 23 EBITDA Bridge QoQ (Q3 FY25 vs Q2 FY25) (All figures in ₹ Cr unless stated otherwise) 462 59 4,685 46 34 4,539 4,164 (226) Q2 FY25 Prices Fx Adj.”

“6 9 1 FY20 FY21 FY22 FY23 FY24 9M FY25 • CHRO townhall held for 21 individuals from LGBTQ community to ensure their learning • Covered 150 managers through Samanvay - Workshop for managers to overcome bias Ambavgarh Dialogue with 31 SHIKHAR - Smelting champions on the theme “Gear your gear to Up the game” • Launched ‘Guru Chakra’ with 200+ mapped anchor-proteges.”

Percentile

3

Quarter performance

3

Percentile

• Environmental Policy & Management • Energy Consumption • Climate Governance • Biodiversity Exposure & Assessment Achieved 100

Percentile

• Human Rights, Talent Planning & Analytics • Discrimination & Harassment • Employee Development Programs • Active Community Engagement Achieved 100

Percentile

• Transparency & Reporting • Risk and Crisis • Business Ethics • Cybersecurity Measures HINDUSTAN ZINC LIMITED - Q3 FY25 INVESTOR PRESENTATION *as of December 31, 2024; CSA: Corporate Sustainability Assessment Sensitivity: Internal (C3) 7 Sustainability Goals 2025 Climate Change Water Stewardship Circular Economy 0.5 MtCO2e GHG emission savings in operations from 2017 Become 5x water positive company and achieve 25% reduction in freshwater consumption 3x increase in gainful utilization of smelting process waste Biodiversity Conservation Protect and enhance biodiversity throughout the life cycle Status 0.5 MtCO2e achieved from base year 2017 Status 7.5% reduction expected from base year 2020 Status 1.24x utilisation achieved from base year 2020 Status 0.72 mn trees planted from base year 2020 Sustainability Goals 2025 Zero Harm Zero work-related fatalities and 50% reduction in TRIFR Status c.54% TRIFR reduction from base year 2020 Social Impact Diversity in Workforce Responsible Sourcin

Quarter performance

▪ Up 3% QoQ driven by higher mined metal grades and higher production from Rampura Agucha and Zawar mines 9M performance: ▪ Record Mined metal production in line with higher mined metal grades

Quarter performance

▪ Flat YoY due to planned maintenance shutdown 9M performance: ▪ Record refined metal production, up 3% in line with plant availability ▪ Zinc up 3% and Lead up 4% ▪ Recorded COP* of $1,041/t, lower by 5% YoY on account of higher zinc volume, improved mined metal grades, higher domestic coal utilization, renewable power usage and better acid realisations, further supported by softened coal and input commodity prices and operational efficiencies year on year Record 9 Months operational performance | Amongst lowest cost producers globally HINDUSTAN ZINC LIMITED - Q3 FY25 INVESTOR PRESENTATION *Zinc Cost of Production (COP) excluding Royalty Sensitivity: Internal (C3) 14 Operational Review - Precious Metal | Silver Robust portfolio of Precious metal contributing significantly to profitability Saleable Silver Production (MT) 556 511 197 184 160 Q3FY24 Q2FY25 Q3FY25 9MFY24 9MFY25

Quarter performance

▪ Down 18% YoY and 13% sequentially in line with the lead production and lower silver input from Sindesar Khurd Mine (SK Mine) due to change in mining sequence 9M performance: ▪ Down 8% YoY on account of the change in mining sequence at SK Mine, leading to lower silver input HZL is India’s only Primary Silver producer Silver Production (MT) Grew over 20 times in last 2 decades 5 3 1 1 4 2 1 5 0 8 9 3 1 8 4 1 5 0 1 5 2 4 3 5 4 4 7 7 3 0 2 0 5 3 8 2 3 9 7 8 6 5 5 0 1 6 6 0 7 7 4 6 4 1 7 6 4 7 Ranked 3rd Globally (improved from 23rd rank 10 years ago) 6 6 6 3 5 10 9 18 18 23 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 HINDUSTAN ZINC LIMITED - Q3 FY25 INVESTOR PRESENTATION Sensitivity: Internal (C3) 15 Strategic Priorities MAXIMISING SHAREHOLDERS VALUE Expansion of Capacities Maintaining a Portfolio of Mines with Long Life Strengthen Cost Leadership Expansion of Product Portfolio through Customer Centricity Progressing towards Sustainable Future Expand mined metal capacity (currently