Hindustan Zinc Ltd. — Call Transcript 2023

Jan 13, 2023

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HZL/2022-SECY/

January 13, 2023

BSE Limited P. J. Tower, Dalal Street, Mumbai 400001

Kind attn: - General Manager, Dept. of Corporate Services

National Stock Exchange of (India) Ltd. “Exchange Plaza” Bandra – Kurla Complex Mumbai 400051 Kind attn: - Head- Listing & Corporate Communications

Scrip Code:500188

Trading Symbol: “HINDZINC ”

Sub: - Intimation of Earning Call on January 19, 2023

Dear All,

Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we are enclosing herewith details of earning call to be held on January 19, 2023, for the third quarter and nine months ended December 31, 2022 for your information and needful.

Please take the same on record.

Thanking you,

Yours Sincerely

Digitally signed by RAJENDRA RAJENDRA PANDWAL PANDWAL Date: 2023.01.13 12:10:55 +05'30' Rajendra Pandwal Company Secretary

Encl: - As above

Hindustan Zinc Limited

Registered Office: Yashad Bhawan, Udaipur (Rajasthan) - 313 004 Tel.: (91-294)6604000-02, Fax: (91-294) 2427739

CIN: L27204RJ1966PLC001208, www.hzlindia.com

Sensitivity: Internal (C3)

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Hindustan Zinc Limited

Notice of Results for the Third Quarter and Nine Months Ended December 31, 2022

Udaipur, January 13, 2023: Hindustan Zinc Limited, world’s leading fully integrated zinc-lead-silver producer, will announce its results for the third quarter and nine months ended December 31, 2022 on Thursday, January 19, 2023.

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 Q3 FY 2023 Earnings Call on Thursday, January 19, 2023 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 71945757 January 19 – January 26, 2023 Playback Code: 73603

For further information, please contact:

Jhalak Rastogi Maitreyee Sankhla Associate Director - Investor Relations Interim Head – Corporate Communications jhalak.rastogi2@vedanta.co.in maitreyee.sankhla@vedanta.co.in +91 8287262850 +91 7742161333

Siddharth George

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

About Hindustan Zinc

Hindustan Zinc, a Vedanta Group Company, is one of the world’s largest and India’s only integrated producer of Zinc-Lead and Silver. The Company has its headquarters at Udaipur in the State of Rajasthan where it has its Zinc-Lead mines and smelting complexes. Hindustan Zinc is self-sufficient in power with captive thermal power plants and has ventured into green energy by setting upwind power plants. The Company is ranked 1st in Asia-Pacific for the fourth consecutive year and globally 3rd in S&P Global Corporate Responsibility Assessment in 2022 amongst Mining & Metal companies. Hindustan Zinc is a certified Water Positive Company and is the only Indian company to be recognized at the S&P Global Platts Metal Award 2022 and has won the two prestigious awards for ‘Industry Leadership Award – Base, Precious and Specialty Metals’ Award and ‘Corporate Social Responsibility’ Award.

The company takes pride in having some of the best-in-class people practices and employee-centric initiatives, which have certified Hindustan Zinc as – ‘Great Place to Work 2022’, ‘Company with Great Managers 2020’ by People Business and the PeopleFirst HR Excellence Award.

As a socially responsible corporate, Hindustan Zinc has been relentlessly working to improve the lives of rural and tribal people residing near its business locations. The company is amongst the Top 15 CSR Spenders in India and is currently transforming the lives of 1.4 million people in 234 villages out of which 184 in Rajasthan, 34 in Uttarakhand and 16 villages in Gujarat. As a market leader, Hindustan Zinc governs about ~80% of the growing Zinc market in India.

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)