Hindustan Zinc Limited has informed the Exchange regarding a press release dated May 25, 2026, titled "Hindustan Zinc s Rampura Agucha Becomes First Zinc Mark Certified Mine, Strengthening Global Customer Trust".
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Hindustan Zinc's Rampura Agucha Mine, the world's largest underground zinc-lead mine, has become India's first Zinc Mark certified mine. Zinc Mark is a globally recognised assurance framework that validates responsible zinc production against internationally benchmarked ESG standards, responsible sourcing practices, and value chain transparency. This certification follows the company's earlier Zinc Mark certification for its Chanderiya Smelting Complex, making Hindustan Zinc the first company in India to offer responsibly sourced zinc across its entire production chain from mining to smelting. The certification was awarded after an independent third-party assessment under the Copper Mark Assurance Framework. The company says this strengthens its value proposition for customers seeking ESG-compliant raw materials as global supply chains increasingly prioritise sustainable procurement.
This certification enhances Hindustan Zinc's credibility with ESG-focused global customers and positions it favourably in sustainable supply chains, though it does not have a direct near-term financial or volume impact.