General Updates

संदभ(cid:330)/Ref. : NBC/S/4.5 & 4.5(A)/2026/1255 िदनांक/Dated: 25.08.2026 To, To, (cid:366)बंधक/The Manager (cid:366)बंधक/The Manager Phiroj Jeejeebhoy Towers, National Stock Exchange of India Ltd., दलाल (cid:720)(cid:332)ीट/Dalal Street, ए(cid:411)च(cid:336)ज (cid:600)ाजा, बां(cid:363)ा-कु ला(cid:330) क(cid:817)(cid:600)े(cid:411), मु(cid:638)ई/MUMBAI- 400 001 Exchange Plaza, Bandra-Kurla Complex, (cid:304)(cid:716)प कोड/Scrip Code: 532234 बां(cid:363)ा ई(cid:720)/Bandra East, मु(cid:638)ई/MUMBAI-400 051 (cid:366)तीक/Symbol: NATIONALUM Sub: Disclosure under Regulation 30 of the SEBI (LODR) Regulations, 2015. Dear Sir/ Madam, In terms of Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (SEBI LODR) we would like to inform that, Company has received notice dated 25.08.2026 from Bombay Stock Exchange (BSE) regarding non- compliance with the provisions of SEBI LODR during the quarter ended 30th June, 2026 and has imposed a fine of Rs.14,31,340/- for the non-compliances. Accordingly, details as required under the applicable provisions of Regulation 30, read with schedule III, Part- A, Para- A, are given as under: Name of the Authority BSE Nature and details of the action(s) Imposition of fine of Rs.14,31,340/- taken, initiated or order passed Date of receipt of direction or order, 25.08.2026 including any ad-interim orders, or any other communication from the authority; Details of the violation(s)/ Non-compliance with the provisions of contravention(s) committed or alleged Regulation 17(1), 17(2A), 18(1), 19(1)/ 19(2), to be committed 20(2)/(2A) and 21(2) of the SEBI LODR Regulations, 2015 Impact on financial, operation or other Financial implication of Rs.14,31,340/- (Incl. activities of the Company, quantifiable 18% GST) on the Company. in monetary terms to the extent possible National Aluminium Company Limited (A Government of India Enterprise) REGD. & CORPORATE OFFICE Nalco Bhawan, Nayapalli, Bhubaneswar–751013,India CIN # L27203OR1981GOI000920 Tel.:0674-2301988-999, Ext.:2265, 2266, 2267, 2585, 2587, E-mail:company_secretary@nalcoindia.co.in,Website:www.nalcoindia.com In reponse to the above-mentioned notice, the Company is in process of representing its position to BSE on the non-compliances identified. This is for your information and record. भवदीय/Yours faithfully, For National Aluminium Co. Ltd. (बी. के . सा(cid:353))/(B. K. Sahu) Company Secretary & Compliance Officer ACS: 9953 National Aluminium Company Limited (A Government of India Enterprise) REGD. & CORPORATE OFFICE Nalco Bhawan, Nayapalli, Bhubaneswar–751013,India CIN # L27203OR1981GOI000920 Tel.:0674-2301988-999, Ext.:2265, 2266, 2267, 2585, 2587, E-mail:company_secretary@nalcoindia.co.in,Website:www.nalcoindia.com