Analysts/Institutional Investor Meet/Con. Call Updates

संदभ(cid:330)/Ref. : NBC/S/4.5 & 4.5(A)/2026/1542 िदनांक/Dated:28.10.2026 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 िवषय/Sub: 03.11.2026 को आय स(cid:643)ेलन कॉल के बारे म (cid:336)सूचना।/ Intimation about Earnings Conference Call on 03.11.2026. (cid:373)ीमान/Dear Sir, Pursuant to Regulation 30 of SEBI (LODR) Regulations, 2015, it is informed that, an Earnings Conference Call is scheduled to be held on Tuesday, the 3rd November, 2026 at 1030 hours for discussions on Company's business and outlook post declaration of Unaudited Financial Results for the quarter and half year ended 30th September, 2026 (Details enclosed). The above Earnings Conference Call is subject to change/cancellation due to exigencies, if any. Please note that no Unpublished Price Sensitive Information (UPSI) is proposed to or will be shared by the Company during the aforesaid Earnings Conference Call. This is for your information and record. ध(cid:586)वाद/Thanking you. भवदीय/Yours faithfully, For National Aluminium Co. Ltd. (बी. के . सा(cid:353))/ (B.K. Sahu) Company Secretary and Compliance Officer ACS: 9953 संल(cid:432) /Encl.: As above 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 SYSTEMATIX INSTITUTIONAL EQUITIES Invites you to participate in Q2FY27 Results Conference Call of National Aluminium Company Ltd On Tuesday, 3rd November 2026 at 10:30 AM (IST) The management will be represented by Shri Brijendra Pratap Singh Shri Abhay Kumar Behuria Shri Bharat Kumar Sahu Chairman-cum-Managing Director Director (Finance) Company Secretary & Compliance Officer Dial-in-number Location Dial Number Location Toll Free Number USA : 1 866 746 2133 Primary Number +91 22 6280 1297 UK : 0 808 101 1573 Singapore : 800 101 2045 Secondary Number +91 22 7115 8198 Hong Kong : 800 964 448 Click here for your Diamond Pass™ h ttps://services.choruscall.in/DiamondPassRegistration/register?confirmationNumber=4235135&linkSecurityString=25851a5a5e DiamondPass™ is a Premium Service that enables you to connect to your conference call without having to wait for an operator. For more information, please contact: Shweta Dikshit Mrunal Pawar Deputy VP & Lead Analyst – Senior VP & Group Head – Corporate Access & Metals and Mining Corporate Communication Contact No: +91 99845 55571 Contact No: +91 22 6704 8088 shwetadikshit@systematixgroup.in mrunalpawar@systematixgroup.in