Hindustan Zinc Ltd was assigned an ESG rating of 67 by ESG Risk Assessments and Insights Limited (ESGRisk.ai) on July 10, 2026. The rating provides an independent assessment of the company's environmental, social, and governance performance based on publicly available information.

The disclosure was made to the exchanges pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. The company clarified that it did not engage ESGRisk.ai for this specific assessment.

The rating was received via email on July 10, 2026, at 4:12 PM. ESGRisk.ai, a SEBI registered ESG rating provider, prepared the ratings and reports independently.

The detailed rating rationale has been made available on the ESGRisk.ai website. The filing was signed by Aashhima V Khanna, Company Secretary & Compliance Officer of Hindustan Zinc Limited.

Axis Trustee Services Limited has confirmed the full release of encumbrance over 2,116,884,819 equity shares of Hindustan Zinc Limited, representing 50.10% of the total share capital. The shares, held by promoter Vedanta Limited, were released on May 14, 2026, following the full redemption of debentures issued under a trust deed dated May 10, 2024. This release removes covenant-based restrictions that required Vedanta to maintain a minimum 50.1% stake and restricted the disposal of these shares.

The disclosure was submitted to BSE Limited and the National Stock Exchange of India Limited on July 07, 2026, under Regulation 29(2) of the SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011. Axis Trustee Services Limited acted as the Debenture Trustee for the arrangement. The total equity share capital of Hindustan Zinc remains 4,22,53,19,000 fully paid-up shares of ₹2 each.

Details of the Release

The release pertains to a non-disposal undertaking classified as "others" under SEBI regulations. Prior to the release, these shares were subject to restrictive covenants ensuring Vedanta retained control over Hindustan Zinc. The full redemption of the debentures on May 14, 2026, triggered the release of all associated encumbrances, including pledge components.

Context of Existing Obligations

While this specific encumbrance has been released, Axis Trustee noted that other existing encumbrances, including pledges and non-disposal undertakings, remain over Hindustan Zinc shares. These are secured for other financing arrangements of Vedanta and its subsidiaries, for which necessary disclosures have been made previously. The release specifically addresses the obligations tied to the Debenture Trust Deed dated May 10, 2024.