Closure of trading window for September Quarter Results 2026

Brahmaputra Infrastructure Ltd. Registered Office: Brahmaputra House, A-7, Mahipalpur (NH 8-Mahipalpur Crossing), New Delhi-110037 Phones: 91-11-42290200 (50 Lines) Fax: 91-11-41687880, 26787068 E-mail: delhi@brahmaputragroup.com web: www.brahmaputragroup.com CIN:L55204DL1998PLC095933 Date: 25th September, 2026 The General Manager, Department of Corporate Services / Listing Department, BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai – 400 001 Scrip Code: 535693 Subject: Intimation of Closure of Trading Window for the Quarter and Half Year ending 30th September, 2026 Dear Sir/Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with the SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended from time to time, and the Company’s Code of Conduct to Regulate, Monitor and Report Trading by Designated Persons and their Immediate Relatives, we wish to inform you that the Trading Window for dealing in the securities of the Company shall remain closed for all Designated Persons and their Immediate Relatives from Thursday, 1st October, 2026 till the expiry of 48 (forty-eight) hours after the declaration of the Unaudited Financial Results (Standalone and Consolidated) of the Company for the quarter and half year ending 30th September, 2026. The date of the meeting of the Board of Directors to consider and approve the aforesaid Unaudited Financial Results shall be intimated to the Exchange separately in due course, in compliance with Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. All Designated Persons and their Immediate Relatives have been advised not to trade in the securities of the Company during the aforesaid period of closure of the Trading Window. You are requested to kindly take the above information on record. Thanking you, Yours faithfully, For Brahmaputra Infrastructure Limited Raktim Acharjee Whole Time Director Din : 06722166