Certificate under SEBI (Depositories and Participants) Regulations, 2018

संदभ(cid:330) सं(cid:421)ा/Ref. No.: NBC/S/4.5 & 4.5(A)/2026/1012 िदनांक/Date: 07.07.2026 (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: Share Reconciliation Certificate for the quarter ended 30.06.2026. As per Regulation 76 of the SEBI (Depositories and Participants) Regulations, 2018, enclosed please find certificate issued by M/s. Saroj Ray & Associates, Company Secretaries on reconciliation of the total admitted and issued/paid-up share capital of the Company for the quarter ended 30.06.2026. यह आपकी सूचना व अिभलेख हेतु है/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 & Compliance Officer ACS: 9953 Encl.: As above/ संल(cid:432) नेशनल ए(cid:670)ूिमिनयम कंपनी िलिमटेड National Aluminium Company Limited (भारत सरकार का एक उ(cid:552)म) (A Government of India Enterprise) Regd. & Corporate Office NALCO Bhawan, Plot No. P/1, Nayapalli Bhubaneswar-751013, India भुवन(cid:695)े र -751 013, भारत CIN # L27203ORl981GOI000920 Tel.:0674-2301988-999, Ext.:2265, 2266, 2267, 2585, 2587, E-mail: company_secretary@nalcoindia.co.in,Website:www.nalcoindia.com SAROJ RAY & ASSOCIATES COMPANY SECRETARIES RECONCILIATION OF SHARE CAPITAL AUDIT 1. For Quarter Ended : I 30 June 2026 2. ISIN : lINE 139AOI034 3. Face Value : IRs. 5/- each 4. Name of the Company National Aluminium Company Limited 5. Registered office Address Nalco Bhawan, Plot No. P-l, Nayapalli, Bhubaneswar-751013, Odisha 6. Correspondence Address Nalco Bhawan, Plot No. P-l, Nayapalli, Bhubaneswar-751013, Odisha 7. Telephone & Fax Nos. Telephone: 0674-2300677 8. E-mail Address company _secretary@nalcoindia.co.in 9. Names of the Stock Exchanges where the Company's securities are listed 1) BSE Limited 2) National Stock Exchange of India Limited Page 1 of3 N-6/215, Ground Floor, IRe Village, Bhubaneswar - 751015, Odisha, India --------- Phone: (0674) 2360840, 2360841, 2360842, Fax: (0674) 2360845 Visit us : www.sracs.com, E-mail: info@sracs.com.sraconsultants@gmail.com SAROJ RAY ft ASSOCIATES Continuation Sheet . C 0 '1 PAN Y SEC RET A R 1 E S !Number of sharesj j% of Total Issued Capita~ 10. Issued Capital 1,83,66,31,787 100% 11. Listed Capital (Exchange-wise) 1,83,66,31,787 100% 12. Held in dematerialized form in CDSL 13,46,10,678 7.33% 13. Held in dematerialized form in NSDL 1,70,06,82,644 92.60% 14. Physical 13,38,465 0.07% 15. Total No. of shares (12+13+14) 1,83,66,31,787 100% 16. Reasons for difference if any, between (10 & 11), (11 & 15): No Difference 17. Certifying the details of changes in share capital during the quarter under consideration as per table below: Particulars* No of Shares Applied Listed on Whether Whether In-principle / Not Stock intimated intimated Approval pending Applied Exchanges to CSDL to NSDL for stock exchange for ( Specify (specify names) listing names) Nil Nil NA NA NA NA NA * Rights, Bonus, Preferential Issue, ESOPs, Amalgamation, Conversion, Buyback, Capital Reduction, Forfeiture, any other (to specify) 18. Register of Members is updated (Yes/No) Yes If not, updated up to which date Not Applicable 19. Reference to previous quarter with regard to excess dematerialized shares, if any Not Applicable 20. Has the company resolved the matter mentioned in point No. 19 above in the current quarter, if not, Not Applicable reason why? Page 2 of3 SAROJ RAY ASSOCIATES Continuation Sheet . COMPANY SECRETARIES 21. Mention the total no. of demat/ remat requests, if any, confirmed after 21 days and the total no. of requests pending beyond 21 days with the reasons for delay - Nil Total No of demat requests No of requests No of shares Reasons for delay Confirmed after 21 days Nil Nil Nil Pending for more than 21 Nil Nil Nil days 22. Name, Telephone & Fax No. of CS Bharat Kumar Sahu Compliance Officer of the Company Company Secretary ICSI Membership No. ACS-9953 Telephone No. 0674-2300677 CS Uttam Baral, ACS 23. Name, Address, Tel & Fax No, M. No. 67653, CP No. 26090 Registration No. of the Certifying CS Partner Saroj Ray & Associates Company Secretaries Plot No. N/6-215, IRC Village Bhubaneswar -751015. Phone-0674-2360840, 2360841 Fax-0674-2360845 24. Appointment of common agency for Bigshare Services Private Limited share registry work, if yes (name & S6-2,6th Floor Pinnacle Business Park, Address) Mahakali Caves Road, Andheri East, Mumbai-400093 25. Any other details that the auditor may like to provide (e.g. BIFR company, Stock Nil Exchange, Company changed its name etc.) '--- __' For Saroj Ray & Associates (Company Secret . Place: Bhubaneswar Partner Date: 06.07.2026 M. No. 67653, CP No. 26090 PR No.5377/2023 UDIN: A067653H000759069 Page 3 of3