Closure of trading window for Quarter ended 30 September, 2026

DALMIA INDUSTRIAL DEVELOPMENT LIMITED 2A GANESH CHANDRA AVENUE, ROOM NO – 8E, 9TH FLOOR, KOLKATA - 700013 PHONE NO – 033- 35286194, Website: www.dalmiaindustry.in , E- mail : dalmiaindustrail@gmail.com CIN No : L74140WB1982PLC035394 Ref. No............................. Date.......................... Monday September 28, 2026 BSE Ltd. Calcutta Stock Exchange Metropolitan Stock PhirozeJeejeebhoy Limited, Exchange of India Towers Dalal Street, 7, Lyons Range, Limited, Mumbai- 400 001 Kolkata - 700001 Vibgyor Tower, 4th Floor, Scrip code: 539900 G Block, C62, BandraKurla Complex, Bandra (E), Mumbai – 400098 Scrip Code: DIDL Subject: Intimation of Closure of Trading Window Dear Sir/Madam, This is to inform you that pursuant to the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015 and in terms of the Code of Conduct to Regulate, Monitor and Report Trading by Insiders, the Trading Window for dealing in securities of the Company for all its designated persons, their immediate relatives and specified connected persons will remain close 01st October 2026 till 48 hours after the declaration of Un-Audited financial results (“Financial Results”) of the Company for the Quarter and half year ended 30th September 2026. All Designated Employees (including Directors) of the Company have been intimated not to enter into any transaction involving the securities of the Company during the aforesaid period of closure of Trading Window. Kindly take the same on record and acknowledge receipt. Thanking You, Yours Faithfully, For Dalmia Industrial Development Limited Raj Mohta Whole Time Director DIN: 03575779