Hindustan Zinc Limited

7%

d Metals (ICMM) Operational ▪ 5-year lowest 2Q Zinc cost of production of $994 per tonne, better 7% YoY and 2% QoQ ▪ Best-ever second quarter Mined metal production of 258 Kt, up 1% YoY ▪ Silver dr

2%

CMM) Operational ▪ 5-year lowest 2Q Zinc cost of production of $994 per tonne, better 7% YoY and 2% QoQ ▪ Best-ever second quarter Mined metal production of 258 Kt, up 1% YoY ▪ Silver drives c.40%

1%

er tonne, better 7% YoY and 2% QoQ ▪ Best-ever second quarter Mined metal production of 258 Kt, up 1% YoY ▪ Silver drives c.40% of overall profit, uniquely positioned for riding the silver wave Finan

40%

d 2% QoQ ▪ Best-ever second quarter Mined metal production of 258 Kt, up 1% YoY ▪ Silver drives c.40% of overall profit, uniquely positioned for riding the silver wave Financial ▪ Best-ever 2Q EBITDA

₹ 4,467 crore

overall profit, uniquely positioned for riding the silver wave Financial ▪ Best-ever 2Q EBITDA of ₹ 4,467 crore, up 16% QoQ with industry leading margin of 52% ▪ Highest-ever 2Q revenue from operations of ₹ 8,5

16%

iquely positioned for riding the silver wave Financial ▪ Best-ever 2Q EBITDA of ₹ 4,467 crore, up 16% QoQ with industry leading margin of 52% ▪ Highest-ever 2Q revenue from operations of ₹ 8,549 crore

52%

wave Financial ▪ Best-ever 2Q EBITDA of ₹ 4,467 crore, up 16% QoQ with industry leading margin of 52% ▪ Highest-ever 2Q revenue from operations of ₹ 8,549 crore, up 10% QoQ Growth Projects ▪ Profi

₹ 8,549 crore

crore, up 16% QoQ with industry leading margin of 52% ▪ Highest-ever 2Q revenue from operations of ₹ 8,549 crore, up 10% QoQ Growth Projects ▪ Profit after taxes of ₹ 2,649 crore, up 19% QoQ and 14% YoY ▪ 1

10%

with industry leading margin of 52% ▪ Highest-ever 2Q revenue from operations of ₹ 8,549 crore, up 10% QoQ Growth Projects ▪ Profit after taxes of ₹ 2,649 crore, up 19% QoQ and 14% YoY ▪ 160 Ktpa

₹ 2,649 crore

2Q revenue from operations of ₹ 8,549 crore, up 10% QoQ Growth Projects ▪ Profit after taxes of ₹ 2,649 crore, up 19% QoQ and 14% YoY ▪ 160 Ktpa Roaster at Debari commissioned ▪ Debottlenecking at Dariba Sm

19%

erations of ₹ 8,549 crore, up 10% QoQ Growth Projects ▪ Profit after taxes of ₹ 2,649 crore, up 19% QoQ and 14% YoY ▪ 160 Ktpa Roaster at Debari commissioned ▪ Debottlenecking at Dariba Smelting C

14%

₹ 8,549 crore, up 10% QoQ Growth Projects ▪ Profit after taxes of ₹ 2,649 crore, up 19% QoQ and 14% YoY ▪ 160 Ktpa Roaster at Debari commissioned ▪ Debottlenecking at Dariba Smelting Complex compl

“As we move to low-carbon economy, we will need more silver It is used nearly in every electronic system from telecommunications, infrastructures to electric vehicles HINDUSTAN ZINC LIMITED – 2Q FY26 INVESTOR PRESENTATION Sensitivity: Internal (C3) 7 SUSTAINABILITY UPDATE Mr.”

“EBITDA Volume Cost Marketing & others 2Q FY26 Note: All figures are at consolidated level HINDUSTAN ZINC LIMITED – 2Q FY26 INVESTOR PRESENTATION Sensitivity: Internal (C3) 32 EBITDA Bridge YoY (2Q FY26 vs 2Q FY25) (All figures in ₹ Cr unless stated otherwise) 373 4,164 (343) (85) 74 4,467 284 4,821 Market & regulatory 2Q FY25 Prices Fx Adj.”

“4 Social Impact FY20 FY21 FY22 FY23 FY 25 H1FY26 STP Water FY24 Fresh Water Circular Economy Waste Recycling % 31 30 31 31 31 31 29 Diversity & Inclusion FY20 FY21 FY22 FY23 FY24 FY25 H1FY26 FY20 FY21 FY22 FY23 FY24 FY25 H1FY26 CSR Outreach (mn Beneficiaries) 0.5 0.7 1.4 1.7 1.9 2.3 1.4 FY20 FY21 FY22 FY23 FY24 FY25 H1FY26 Executives Gender Diversity Overall Gender Diversity Gender Diversity Trend (%) 4 .”

Zinc batteries are the future of energy storage

1

Zinc batteries are the future of energy storage

o Capable of long cycle life and long duration storage o Wide operating temperature and require minimal upkeep o Lowest cost per kilowatt hour o Non-toxic making it environmentally friendly o Sustainable, can be recycled Silver’s high conductivity makes it highly effective for solar energy industry. As we move to low-carbon economy, we will need more silver It is used nearly in every electronic system from telecommunications, infrastructures to electric vehicles HINDUSTAN ZINC LIMITED – 2Q FY26 INVESTOR PRESENTATION Sensitivity: Internal (C3) 7 SUSTAINABILITY UPDATE Mr. Arun Misra CEO Hindustan Zinc Is Now An ICMM Member First Indian Company to join International Council on Mining and Metals (ICMM), a global industry body that brings together leading mining & metals companies and associations to improve sustainable development performance in the sector Global gold standard for environmental stewardship, safety, and responsible mining Accelerates the sustainability journey in alignment