Hindustan Zinc Limited has received its ESG (Environmental, Social, and Governance) rating for FY2024-25 from NSE Sustainability Ratings and Analytics Limited. The company disclosed this development through a regulatory filing under Regulation 30 of the SEBI Listing Regulations on December 12, 2025.

ESG Rating Assessment

NSE Sustainability Ratings and Analytics Limited, a subsidiary of NSE Indices Limited and a SEBI-registered ESG Rating Provider, has assigned a consolidated ESG rating of 67 to Hindustan Zinc Limited for FY2024-25. The rating communication was received by the company via email on December 12, 2025, at 10:48 AM IST.

Independent Evaluation Process

The ESG rating assessment was conducted independently by NSE Sustainability as part of its evaluation of listed companies in India. The rating agency utilized publicly available information disclosed by Hindustan Zinc Limited for its analysis. The company specifically clarified that it did not engage NSE Sustainability for the evaluation or issuance of its ESG ratings.

Rating Methodology and Transparency

The methodology employed for these ESG ratings is detailed in the Rating Rationale Report provided by NSE Sustainability. Additionally, the rating methodology is available on NSE's dedicated ESG rating website at https://www.nse-esgrating.com/esg-ratings , ensuring transparency in the evaluation process.

Regulatory Compliance

The disclosure was made pursuant to Regulation 30 of the SEBI Listing Regulations, read with relevant SEBI circulars issued regarding ESG rating intimations. This regulatory framework requires listed companies to inform stock exchanges about ESG ratings received from SEBI-registered ESG Rating Providers.

The intimation was sent to both BSE Limited and National Stock Exchange of India Limited, where Hindustan Zinc Limited shares are listed.

Hindustan Zinc Limited (HZL), a leading integrated producer of zinc, lead, and silver, has initiated a postal ballot to seek shareholder approval for the appointment of two new directors to its board. This move, announced on November 20, 2025, reflects the company's commitment to strengthening its leadership and governance structure.

Key Appointments

Thomas Mathew T as Non-Executive Independent Director

• Appointment Period: October 1, 2025, to September 30, 2027
• Resolution Type: Special Resolution
• Background: Former Managing Director & Chairman-In-Charge of Life Insurance Corporation of India
• Expertise: Strategic leadership in insurance and reinsurance, corporate governance, and sustainability

Ashim Kumar Modi as Government Nominee Director

• Appointment: Effective from October 17, 2025
• Resolution Type: Ordinary Resolution
• Current Role: Joint Secretary & Financial Advisor in the Ministry of Coal, with additional charge of Ministry of Mines and Ministry of Minority Affairs
• Background: Indian Revenue Service officer (2000 Batch) with experience in the Income Tax Department

Voting Process

HZL has outlined the following e-voting schedule for shareholders:

The company has engaged the National Securities Depository Limited (NSDL) to provide the e-voting facility. Shareholders whose names appear in the register as of November 14, 2025 (the cut-off date) are eligible to participate in the voting process.

Implications for Corporate Governance

The proposed appointments are significant for HZL's corporate governance structure:

• Thomas Mathew T: His extensive experience in insurance, reinsurance, and corporate leadership is expected to bring valuable insights to Hindustan Zinc's board, particularly in areas of financial strategy and risk management.

• Ashim Kumar Modi: As a Government Nominee Director, his appointment strengthens the link between Hindustan Zinc and key government ministries, potentially facilitating better alignment with national policies and regulations in the mining sector.

These appointments, if approved, could enhance Hindustan Zinc's strategic decision-making capabilities and its relationship with government stakeholders.

Conclusion

The outcome of this postal ballot will be crucial in shaping Hindustan Zinc's board composition. Shareholders have until December 20, 2025, to cast their votes on these important appointments, which could influence the company's governance and strategic direction in the coming years.