Hindustan Zinc Limited

rs,

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

181 MT

• Mined metal production: 252 kt • Refined metal production: 241 kt • Saleable silver production: 181 MT • Zinc COP: US$ 1,137 per MT H1 FY24 • Mined metal production: 509 kt • Refined metal producti

360 MT

• Mined metal production: 509 kt • Refined metal production: 501 kt • Saleable silver production: 360 MT • Zinc COP: US$ 1,167 per MT Udaipur, October 20, 2023: Hindustan Zinc Limited, the leading glob

INR,

ales1 Zinc Lead Silver Others Total EBITDA Profit After Taxes Earnings per Share (INR, not annualised) Q2 Q1 H1 2024 2023 Change 2024 Change 2024 2023 Change 4,034

31%

ange 2024 2023 Change 4,034 1,117 1,297 344 6,792 3,120 1,737 4.11 5,824 -31% 4,668 991 1,079 442 8,336 4,390 2,681 6.35 13% 20% -17% -18% -29% -35%

13%

3,120 1,737 4.11 5,824 -31% 4,668 991 1,079 442 8,336 4,390 2,681 6.35 13% 20% -17% -18% -29% -35% -35% 961 1,298 335 7,282 3,360 1,970 4.66 -14%

20%

20 1,737 4.11 5,824 -31% 4,668 991 1,079 442 8,336 4,390 2,681 6.35 13% 20% -17% -18% -29% -35% -35% 961 1,298 335 7,282 3,360 1,970 4.66 -14% 16%

17%

737 4.11 5,824 -31% 4,668 991 1,079 442 8,336 4,390 2,681 6.35 13% 20% -17% -18% -29% -35% -35% 961 1,298 335 7,282 3,360 1,970 4.66 -14% 16% -0%

18%

.11 5,824 -31% 4,668 991 1,079 442 8,336 4,390 2,681 6.35 13% 20% -17% -18% -29% -35% -35% 961 1,298 335 7,282 3,360 1,970 4.66 -14% 16% -0% 3% -

29%

,824 -31% 4,668 991 1,079 442 8,336 4,390 2,681 6.35 13% 20% -17% -18% -29% -35% -35% 961 1,298 335 7,282 3,360 1,970 4.66 -14% 16% -0% 3% -7% -7

35%

-31% 4,668 991 1,079 442 8,336 4,390 2,681 6.35 13% 20% -17% -18% -29% -35% -35% 961 1,298 335 7,282 3,360 1,970 4.66 -14% 16% -0% 3% -7% -7% -12

14%

13% 20% -17% -18% -29% -35% -35% 961 1,298 335 7,282 3,360 1,970 4.66 -14% 16% -0% 3% -7% -7% -12% -12% 12,689 -31% 8,702 2,078 2,595 699 1,978

“Hindustan Zinc is also the only Indian company in mining sector with validated & approved SBTi targets in alignment with 1.5 °C target.”

“This presentation should not be relied upon as a recommendation or forecast by Hindustan Zinc Limited.”

“Production Capacity Target VAP Status Update • Hot commissioning complete and first alloy metal produced in first week of Oct’23 Ore treatment capacity enhancement to Recovery improvement from Status Update • Mill commissioned.”

“Complete ramp up under progress, targeted by early Q3 FY24 18 HINDUSTAN ZINC LIMITED – Q2 FY24 INVESTOR PRESENTATION Sensitivity: Internal (C3) Project Update (3/3)”

“Way forward along with the possible options will be updated to the Board upon completion of the evaluation exercise.”

Conference Dial-In Information

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I. Fumer Project for Hydrometallurgical Smelters

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III. Rajpura Dariba Mill capacity expansion

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IV. New Roaster at Debari

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V. Hindustan Zinc Fertilisers Private Limited

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Conference Dial-In Information

Express Join via internet registration Please dial the below number at least 5-10 minutes prior to the conference schedule. Universal Access +91 22 6280 1340, +91 22 7115 8241 Playback Dial-In Numbers +91 22 7194 5757 October 20 - October 27, 2023 Playback Code: 78287 For further information, please contact: Jhalak Rastogi Associate Director - Investor Relations jhalak.rastogi2@vedanta.co.in +91 8287262850 Maitreyee Sankhla Interim Head - Corporate Communications maitreyee.sankhla@vedanta.co.in +91 7742161333 Rahul Challa Team Member - Investor Relations hzl.ir@vedanta.co.in Hindustan Zinc Limited Registered Office: Yashad Bhawan, Udaipur (Rajasthan) - 313 004 T+91-294 660 4000 F+91-294 242 7734 www.hzlindia.com CIN: L27204RJ1966PLC001208 Sensitivity: Internal (C3) 6 About Hindustan Zinc Hindustan Zinc, a Vedanta Group company in Zinc-Lead and Silver business is world’s 2nd largest integrated Zinc producer and 5th largest Silver producer. The company governs about ~75% of the growing Z

I. Fumer Project for Hydrometallurgical Smelters

Fuming operations as a technology generate an environment-friendly saleable slag. India’s first Fumer plant at Chanderiya using fuming technology, aims at converting jarosite to clean slag enabling waste recycling and recovery of additional silver and base metal Innovative commissioning done by internal team through online support from Chinese experts Better volume recovery - additional 30TPA+ silver and 7kt+ metal Enabling circular economy by treatment of waste Better waste management by reducing the continuous land requirement for Jarofix storage Full ramp up under progress and targeted by early Q3 FY24 Fumer Plant, Chanderiya HINDUSTAN ZINC LIMITED – Q2 FY24 INVESTOR PRESENTATION Sensitivity: Internal (C3) 17 Project Update (2/3)

III. Rajpura Dariba Mill capacity expansion

Transitioning from commodity-based to product-based Company - 26% of Indian zinc market is addressed by imports (including alloys). Hindustan Zinc Alloy Plant, one of the largest zinc alloy facility in India, enables self-reliance and will help boost the market share by catering to niche applications of zinc alloys and deliver international quality products commanding a premium in the domestic market. Ore treatment capacity expansion from 0.9 mtpa to 1.1 mtpa using advanced technology and latest filtration technique to enhance metal recoveries, thereby ensuring a more sustainable and efficient operation. Production Capacity Target VAP Status Update • Hot commissioning complete and first alloy metal produced in first week of Oct’23 Ore treatment capacity enhancement to Recovery improvement from Status Update • Mill commissioned. Complete ramp up under progress, targeted by early Q3 FY24 18 HINDUSTAN ZINC LIMITED – Q2 FY24 INVESTOR PRESENTATION Sensitivity: Internal (C3) Project Update (

IV. New Roaster at Debari

Roasting is an essential part of the process of producing saleable zinc in hydrometallurgical smelters. The new roaster at Debari will enable Hindustan Zinc to attain long term sustainable operations making it future ready for 1.2+ million tonne refined metal.

V. Hindustan Zinc Fertilisers Private Limited

India’s annual requirement of DAP/NPK Fertilizer is 19+ million TPA and the country imports almost 6+ million TPA of DAP/NPK based on the demand supply scenario. Hindustan Zinc’s DAP/NPK Fertiliser Plant at Chanderiya aims to support farmers’ needs through production and sale of fertilisers currently being imported and to better utilise sulphuric acid generated in operations through production of fertilisers, making the country future-ready. This will contribute to nation building, enabling us to fetch right margins. Production Capacity Production Capacity Product Status Update • All orders placed. Engineering and procurement activities ongoing and EPC contractor mobilized at site Status Update • Major orders placed and technology partner onboarded. Engineering and procurement activities are ongoing HINDUSTAN ZINC LIMITED – Q2 FY24 INVESTOR PRESENTATION EPC: Engineering, Procurement and Construction Sensitivity: Internal (C3) 19 Key Strategic Update Value Unlocking Measures & Sharehold