Hindustan Zinc Ltd. — Call Transcript 2025

Apr 22, 2025

HZL/2025-26/SECY/08

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April 22, 2025

BSE Limited Phiroze Jeejeebhoy Towers Dalal Street, Fort Mumbai – 400 001

National Stock Exchange of India Limited Exchange Plaza, 5th Floor Plot No., C/l, G Block Bandra-Kurla Complex, Bandra (East), Mumbai – 400 051

Kind Attn: General Manager – Department of Corporate Services

Kind Attn: Head Listing & Corporate Communication

Scrip Code: 500188

Trading Symbol: “HINDZINC”

Dear Sir/Ma’am,

Sub: Intimation of Earnings Call

Pursuant to Regulation 30 read with Para A of Part A of Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we are enclosing herewith the details of the earning call to be held on Friday, April 25, 2025 at 16:00 hours IST for the fourth quarter and year ended March 31, 2025.

This is for your information and records.

Thanking You

Yours faithfully,

For Hindustan Zinc Limited

AASHHIMA Digitally signed by AASHHIMA V KHANNA V KHANNA Date: 2025.04.22 17:08:46 +05'30'

Aashhima V Khanna

Company Secretary & Compliance Officer

Encl: As above

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Sensitivity: Public (C4)

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Hindustan Zinc Limited

Notice of Results for the Fourth Quarter and Full Year Ended March 31, 2025

Udaipur, April 22, 2025: Hindustan Zinc Limited, the world’s largest integrated zinc producer, will announce its results for the fourth quarter and full year ended March 31, 2025, on Friday, April 25, 2025.

The results will also be available on the Company’s website, www.hzlindia.com. The Company will subsequently hold an earnings conference the same day at 16:00 hours IST, where senior management will discuss its results and performance.

Hindustan Zinc Q4 FY 2025 Earnings Call on Friday, April 25, 2025, at 16:00 hours (IST)

Conference Dial-In Information:

Express Join via internet registration with no waiting time

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 April 25 – May 02, 2025 Playback Code: 23209

For further information, please contact:

Raksha Jain Sonal Choithani Director - Investor Relations Chief Branding & Communications Officer raksha.jain@vedanta.co.in sonal.choithani@vedanta.co.in

Rahul Challa

Deputy Manager - Investor Relations hzl.ir@vedanta.co.in

About Hindustan Zinc

Hindustan Zinc Limited (BSE: 500188 and NSE: HINDZINC), a Vedanta Group company, is the world’s largest integrated zinc producer and is among the top 5 silver producers globally. The company supplies to more than 40 countries and holds a market share of about 77% of the primary zinc market in India. Hindustan Zinc has been recognized as the world’s most sustainable company in the metals and mining category for the second consecutive year by the S&P Global Corporate Sustainability Assessment 2024, reflecting its operational excellence, innovation, and leading ESG practices. The company also launched EcoZen, Asia's first low carbon 'green' zinc brand. Produced using renewable energy, EcoZen has a carbon footprint of less than 1 tonne of carbon equivalent per tonne of zinc produced, about 75% lower than the global average. Hindustan Zinc is also a certified 2.41 times Water-Positive company and is committed to achieving Net Zero emissions by 2050 or sooner. Transforming the lives of 2.3 million people through its focused social welfare initiatives, Hindustan Zinc is among the Top 10 CSR companies in India. As an energy transition metals company, Hindustan Zinc is pivotal in providing critical metals essential for a sustainable future.

Learn more about Hindustan Zinc on - https://www.hzlindia.com/home/ and follow us on LinkedIn, Twitter, Facebook, and Instagram for more updates.

Hindustan Zinc Limited

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Registered Office: Yashad Bhawan, Udaipur (Rajasthan) - 313 004 T+91-294 660 4000 F+91-294 242 7734 www.hzlindia.com

CIN: L27204RJ1966PLC001208

Sensitivity: Confidential (C2)