Filing of DRHP of MCL, a wholly owned subsidiary of CIL.

Coal India Limited Company Secretariat Regd. Office:3rd floor, Core-2 3 तल्ला, कोर-2, प्रेमिसेस-04-एिआर,प्लॉट-ए एफ- Premises no-04-MAR, Plot no-AF-III, Action III,एक्शन एररया-1A, न्यूटाउन, रजरहट, कोलकाता- Area-1A, Newtown, Rajarhat,Kolkata-700156 PHONE; 033-2324-5555, 700156, फोन-0332324555, E-MAIL: complianceofficer.cil@coalindia.in ईिेल: complianceofficer.cil@coalindia.in A Maharatna WEBSITE: www.coalindia.in Company वेबसाइट: www.coalindia.in CIN- L23109WB1973GOI028844 सी आई एन - L23109WB1973GOI028844 Ref.No CIL:XI(D):4157/4156:2026:35185 Date: 02.09.2026 To, To, Listing Department, Listing Department, Bombay Stock Exchange Limited, National Stock Exchange of India Limited, 14th Floor, P.J. Towers, Dalal Street, Exchange Plaza, Bandra Kurla Complex, Mumbai – 400 001 Bandra (E), Mumbai – 400 051. Scrip Code 533278 Ref: ISIN – INE522F01014 Subject: Disclosure under Regulation 30 of SEBI LODR, 2015 – Filing of DRHP of Mahanadi Coalfields Limited (MCL), a wholly owned Subsidiary of CIL. Pursuant to Regulation 30 of the SEBI LODR, 2015, it is hereby informed that the draft red herring prospectus dated 1st September, 2026 of Mahanadi Coalfields Limited (MCL), a wholly owned subsidiary of Coal India Limited, was filed with SEBI, BSE and NSE. The DRHP filing pertains to the proposed Initial Public Offering (“IPO”) of MCL, comprising an Offer for Sale of up to 661,836,300 equity shares having a face value of INR 2 each, held by Coal India Limited. The proposed IPO remains subject to receipt of applicable approvals, prevailing market conditions, and other relevant considerations. This disclosure is being made for the purpose of dissemination of material information and compliance with regulatory requirements as per Regulation 30 of the SEBI (LODR) Regulations 2015. Yours faithfully, For Coal India Limited (बी पी दबु े /B. P Dubey) Company Secretary/कंपनी सचिव