Please refer the enclosed intimation under Regulation 30 of LODR.

VISL/SEC./SE/2026-27/25 August 10, 2026 To To BSE Limited, National Stock Exchange of India Limited, Phiroze Jeejeebhoy Towers Exchange Plaza, C-1, Block – G, Dalal Street, Fort Bandra Kurla Complex, Bandra (E), Mumbai - 400 001 Mumbai – 400 051 BSE Scrip Code: 544784 NSE Scrip Code: VISL Sub: Disclosure under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended Dear Sir/Ma’am Pursuant to Regulation 30 read with Sub-para (20) of Para (A) of Part (A) of Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended ("SEBI LODR Regulations"), it is hereby informed that ESL Steel Limited (“ESL”), a subsidiary of Vedanta Iron And Steel Limited (“VISL”), has received an intimation in Form GST DRC-01A under Section 74(5) of the Central Goods and Services Tax Act, 2017 dated August 10, 2026, at around 11:28 AM from the Office of the Principal Commissioner, Central Goods and Service Tax & Central Excise, Ranchi in relation to an alleged short payment of GST under the Reverse Charge Mechanism (RCM) during FY 2020-21 to FY 2022-23. As per the intimation, the Department has proposed a tax liability of ₹ 15,74,26,450/-, comprising IGST of ₹ 7,87,46,884/-, CGST of ₹ 3,93,39,783/-, and SGST of ₹ 3,93,39,783/-, along with applicable interest and penalty. ESL is examining the said intimation and shall take appropriate steps in accordance with applicable laws within the prescribed timelines. The Company does not envisage any significant financial and operational impact. The details as required to be provided under Regulation 30 and Sub-para (20) of Para A of Part A of Schedule III of the SEBI Listing Regulations, read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, are enclosed as “Annexure I". We request you to please take the above on record. Thanking You, Yours faithfully, For VEDANTA IRON AND STEEL LIMITED Tina Lakhani Company Secretary & Compliance Officer Membership No.: A 34723 Encl.: As above VEDANTA IRON AND STEEL LIMITED Sesa Ghor, 20 EDC Complex, Patto, Panjim, Goa – 403 001, India T +91 832 6713601 | Website: www.vedantaironandsteel.com Email- ContactUs.VISL@vedanta.co.in Registered Office: C-103, Atul Projects, Corporate Avenue New Link, Chakala MIDC, Mumbai, Maharashtra-400093 CIN: L24109MH2023PLC411777 Annexure I Disclosure under Regulations 30 of the LODR read with Schedule III of the LODR and the Master Circular no. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 issued by SEBI on January 30, 2026 Sr. Particulars Details 1. Name of the Authority Office of the Principal Commissioner, Central Goods and Services Tax & Central Excise, Ranchi 2. Nature and details of the action(s) taken, initiated The Central Tax Department, Ranchi has issued an or order(s) passed. Intimation in Form GST DRC-01A under Section 74(5) of the CGST Act, 2017 alleging short payment of GST under the Reverse Charge Mechanism (RCM) during FY 2020-21 to FY 2022- 3. Date of receipt of direction or order, including any August 10, 2026 ad-interim or interim orders, or any other communication from the authority 4. Details of the violation(s)/ contravention(s) As per the intimation, the Department has alleged committed or alleged to be committed short payment of GST amounting to ₹ 15,74,26,450/- comprising IGST of ₹ 7,87,46,884/-, CGST of ₹ 3,93,39,783/-, and SGST of ₹3,93,39,783/- during FY 2020-21 to FY 2022-23, in contravention of the provisions of the CGST Act, 2017, read with Jharkhand GST Act, 2017 and IGST Act, 2017. 5. Impact on financial, operation or other activities of ESL is evaluating appropriate legal remedy against the listed entity, quantifiable in monetary terms to the said intimation and shall take appropriate the extent possible steps in accordance with applicable laws within the prescribed timelines. Further, the Company envisages no material impact on the financial, operations and/ or other activities due to the said intimation. VEDANTA IRON AND STEEL LIMITED Sesa Ghor, 20 EDC Complex, Patto, Panjim, Goa – 403 001, India T +91 832 6713601 | Website: www.vedantaironandsteel.com Email- ContactUs.VISL@vedanta.co.in Registered Office: C-103, Atul Projects, Corporate Avenue New Link, Chakala MIDC, Mumbai, Maharashtra-400093 CIN: L24109MH2023PLC411777