Udaipur, Rajasthan, India – Business Wire India Hindustan Zinc Limited today announced its production numbers for the second quarter and half year ended September 30, 2022. A. Mined & Refined Metal Particulars (In ‘000 tonnes, or as stated’) 2Q 1Q 1H FY23 FY22 % Change FY23 % Change FY23 FY22 % Change Mined Metal 255 248 3% 252 1% 507 470 8% Integrated Saleable Metal 246 209 18% 260 (6%) 506 445 13% • Refined Zinc 189 162 16% 206 (8%) 395 350 13% • Refined Lead 57 47 21% 54 5% 110 95 16% Silver Integrated (in tonnes) 194 152 28% 177 10% 371 313 19% Silver Integrated (in mn ounces) 6.2 4.9 28% 5.7 10% 11.9 10.1 19% 2QFY23 Highest-ever second quarter mined metal production at 255kt, up 3% YoY, driven by better grades and improved mill recoveries. Sequential growth of 1% was largely on account of better grades. Refined metal production at 246kt, an increase of 18% YoY with improved smelter performance, better mined metal availability and base impact due to extended maintenance shutdown in the same period last year. However, refined metal was lower by 6% QoQ because of lower roaster availability due to breakdown of an acid storage tank at Chanderiya plant in 2QFY23 and time taken in ramp up of production post maintenance. Integrated zinc production was at 189kt, up 16% YoY and down 8% QoQ. Refined lead production was 57kt up 21% YoY and 5% QoQ. Saleable silver production was 6.2 moz, up 28% YoY and 10% QoQ in line with lead metal production and WIP liquidation. 1HFY23 First half mined metal production at 507kt was 8% higher YoY, on account of increase in ore production, further supported by better grades & improved operational efficiency. First half refined metal production at 506kt, was up 13% YoY, resulting from consistent mined metal flow from mines and better plant availability partly offset by acid storage tank breakdown at Chanderiya plant in 2QFY23. 1HFY23 integrated zinc production was at 395kt, up 13% YoY and refined lead production was at 110kt, up 16% YoY. Saleable silver production was 11.9 moz, up 19% YoY in-line with lead metal production. B. Wind Power Particulars (In million units) 2Q 1Q 1H FY23 FY22 % Change FY23 % Change FY23 FY22 % Change Wind Power 124 155 (20%) 150 (17%) 274 289 (5%) Wind power generation for 2QFY23 was 124 MU, down 20% YoY & down 17% QoQ, owing to lower wind velocity & seasonality impact. 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 and globally 5th in Dow Jones Sustainability Index in 2021 amongst Mining & Metal companies. Hindustan Zinc is a certified Water Positive Company, a member of the FTSE4Good Index & S&P Global Sustainability Yearbook 2022 and a Bronze Medal winner at the S&P Global Sustainability Awards. Being a people-first company, Hindustan Zinc believes in inculcating the values of Trust and Excellence to have a culture of high-performance in its workforce. 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 are currently reaching out to 1.4 million people in 234 villages 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. Disclaimer This press release contains “forward-looking statements” – that is, statements related to future, not past, events. In this context, forward-looking statements often address our expected future businesses and financial performance, and often contain words such as “expects,” “anticipates,” “intends,” “plans,” “believes,” “seeks,” “should” or “will.” Forward–looking statements by their nature address matters that are, to different degrees, uncertain. For us, uncertainties arise from the behaviour of financial and metals markets including the London Metal Exchange, London Bullion Metal Association, fluctuations in interest and/or exchange rates and metal prices; from future integration of acquired businesses; and from numerous other matters of national, regional and global scale, including those of a political, economic, business, competitive or regulatory nature. These uncertainties may cause our actual future results and/or business operations to be materially different than those expressed in our forward-looking statements. 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