Intimation of Closure of trading Window for Considering the Unaudited Standalone Financial Result for the Quarter and Half Year Ended 30th September 2026.

DIAMANT INFRASTRUCTURE LIMITED PLOT No. 3, HINDUSTAN COLONY, WARDHA ROAD, NAGPUR - 440015. Tel: +91 8007442211 CIN No.: L26994MH2003PLC143264 Email: diamant123@gmaiI.com, Website: www.diamantinfra.com The Manager BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai- 400001 Scrip Code- 508860, Scrip ID- DIAMANT Subject: Intimation of Closure of Trading Window. Dear Sir / Ma’am, We wish to inform you that pursuant to SEBI (Prohibition of Insider Trading) Regulation, 2015, Code of Conduct to Regulate, Monitor and Report Trading by Insiders of the Company (“Diamant Infrastructure Limited”) the Trading Window for dealing in securities of the Company for all the designated persons of the Company and their immediate relatives shall remain closed from 01st October 2026 for the purpose of considering the unaudited standalone financial results for the Quarter and Half year ended 30th September 2026 until the expiry of 48 (forty-eight) hours after the declaration of aforesaid financial results. The date of Board Meeting to consider the un-audited standalone financial results for the Quarter and Half year ended 30th September, 2026 will be intimated separately. Yours faithfully, FOR DIAMANT INFRASTRUCTURE LIMITED Naresh Satyanarayan Saboo Managing Director DIN: 00297916