Please Refer the attachment.

NLC India Limited (‘Navratna’ - Government of India Enterprise) Registered Office: No.135, EVR Periyar High Road, Kilpauk, Chennai-600 010. Corporate Office: Block-1, Neyveli-607 801, Cuddalore District, Tamil Nadu. CIN : L93090TN1956GOI003507, Website: www.nlcindia.in email: cosec@nlcindia.in Phone: 044-28369139 Lr. No. Secy/Trading Window/2026 Date: 24.09.2026 To To National Stock Exchange of India Ltd. BSE Ltd. Exchange Plaza, Plot No. C/1, G Block, Phiroze JeeJeebhoy Towers, Bandra-Kurla Complex, Dalal Street, Bandra (E), Mumbai - 400 051. Mumbai - 400 001. Scrip Symbol: NLCINDIA Scrip Code: 513683 Sir/Madam, Sub: Intimation of closure of Trading Window for the Un-Audited Financial Results for the Quarter and Half Year ending on 30th September, 2026 – Reg. **** We write to inform that in terms of the Company’s Code of Internal Procedures and Conduct for Regulation, Monitoring and Reporting of Trading by the Designated Persons under SEBI (Prohibition of Insider Trading) Regulations, 2015, the trading window shall remain closed from 30th September, 2026 till 48 hours after declaration of Un-Audited Financial Results of the Company for the Quarter and Half Year ending on 30th September, 2026. The date of the Board Meeting for the aforesaid purpose will be intimated in due course. This is for your information and record. Thanking You, Yours Faithfully, For NLC India Limited Company Secretary & Compliance Officer