Closure of Trading window

N G INDUSTRIES LTD CIN: L74140 WB 1994 PLC 065937, GSTIN: 19AABCN6332QIZX Phone: 033 2419 7542, +91 80175 20040, +91 83358 20040 email: ngmail@ngil.co.in, website:www.ngind.com 1st Floor, 37A Southern Avenue, Kolkata – 700 029 (Renamed as Dr. Meghnad Saha Sarani) September 25, 2026 To To The Secretary The Secretary Bombay Stock Exchange Limited Tha Calcutta Stock Exchange Limited Registered Office: Floor 25, 7, Lyons Range P.J. Towers Dalal Street, Kolkata - 700001 Mumbai – 400001 Scripe Code: 530897 Scripe Code: 10024075 Dear Sir/madam, Sub: Closure of Trading window Pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015 and in terms of Company’s Code of Conduct for Prohibition of Insider Trading, the Trading Window for purchasing/ selling or dealing in the shares of the Company will be closed from 1st October, 2026 for Designated Employees (and their Immediate Relatives). The Trading Window will open 48 hours from the announcement to the Stock Exchanges of the Unaudited Financial Results of the Company for the Quarter ended September 30, 2026. The date of Board Meeting shall be intimated to exchange separately. Thanking you Yours’ faithfully For N G Industries Limited Bratati Bhattacharya Company Secretary & Compliance Officer