Change in Director(s)

HZL/2026-27/SECY/61 July 24, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, 5th Floor Plot No., C/l, G Block Dalal Street, Fort Bandra-Kurla Complex, Bandra (East), Mumbai – 400 001 Mumbai – 400 051 Kind Attn: General Manager – Department Kind Attn: Head Listing & Corporate of Corporate Services Communication Scrip Code: 500188 Trading Symbol: HINDZINC Dear Sir/Ma’am, Sub: Outcome of the Board meeting of Hindustan Zinc Limited (“Company”) held today i.e. Friday, July 24, 2026- Appointment of CEO & Whole-time Director Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("SEBI Listing Regulations"), we wish to inform you that the Board of Directors of Hindustan Zinc Limited ("Company"), at its meeting held today, i.e. Friday, July 24, 2026, based on the recommendation of the Nomination and Remuneration Committee, has approved the appointment of Mr. Amarendu Prakash as the CEO & Whole-time Director and Key Managerial Personnel (“KMP”) of the Company, with effect from August 1, 2026, subject to the approval of shareholders of the Company. Mr. Prakash will also be member of Sustainability & ESG Committee, Stakeholders Relationship Committee, Committee of Directors and Project Committee with effect from August 01, 2026. The details as required under Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular No. SEBI/HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, is enclosed and marked as Annexure-I. The meeting of the Board of Directors of the Company commenced at 12:00 Noon and concluded at 2:05 p.m. IST. Further, pursuant to Regulation 30(5) of the SEBI Listing Regulations, the revised list of the Key Managerial Personnel, effective August 01, 2026, who will be severally authorized to determine materiality of an event or information & making disclosures to the stock exchange(s) under the SEBI Listing Regulations are as under: Name of KMP Designation Contact Details Mr. Amarendu Prakash CEO & Whole-time Director Hindustan Zinc Limited Mr. Amit Gupta 1. Chief Financial Officer Yashad Bhawan, Yashadgarh, Udaipur, Ms. Aashhima V Khanna Company Secretary & Compliance Rajasthan India 313004 Officer Email Id: hzl.secretarial@vedanta.co.in Tel: +91-294-6604000 We request you to kindly take the above information on record. Thanking You. Yours faithfully, For Hindustan Zinc Limited Aashhima V Khanna Company Secretary & Compliance Officer Sensitivity: Public (C4) Annexure -I Appointment of CEO & Whole-time Director and KMP: Sr. Particulars Details 1. Reason for change viz. appointment, Appointment of Mr. Amarendu Prakash as the CEO & Whole-time reappointment, resignation, removal, Director and KMP of the Company death or otherwise 2. Date of appointment/ re- Appointment with effect from August 01, 2026 appointment/cessation & term of appointment/re-appointment. 3. Brief Profile (in case of appointment) Mr. Amarendu Prakash is a distinguished leader with over three decades of experience in the steel industry, spanning operations, project execution, technology, and strategic management. As former Chairman & Managing Director of SAIL, he was spearheading the Company's transformation agenda, driving capacity expansion, operational excellence, digitalization, and sustainability initiatives. Prior to assuming the top role, he held several key leadership positions within SAIL, including Director (In-Charge) of Burnpur and Bokaro Steel Plants. A Metallurgical Engineer from BIT Sindri, he joined SAIL in 1991 and has since been instrumental in shaping the organization's growth and competitiveness. 4. Disclosure of relationships between Mr. Prakash is not related to any of the director. Directors (in case of appointment of a director). 5. Information as required pursuant to Mr. Prakash is not debarred from holding the office of director BSE circular ref no. LIST/ COMP/ 14/ pursuant to any SEBI order or any other authority 2018-19 and the National Stock Exchange of India Limited with ref no. NSE/CML/2018/24, dated June 20, 2018 Sensitivity: Public (C4)