Intimation of Closure of Trading Window for the Half Year ending on September 30, 2026.

COSMIC CRF LIMITED CIN NO. L27100WB2021PLC250447 Phone No. +91 33-79647499, E-mail: info@cosmiccrf.com, www.cosmiccrf.com Ref: CCL/BSE/2026-2027/070 Date: 28/09/2026 Listing Department, BSE Limited P.J. Towers, Dalal Street Mumbai-400001 Scrip Code: 543928 Dear Sir/ Madam, Sub: Intimation of Closure of Trading Window In terms of the provisions of SEBI (Prohibition of Insider Trading) Regulations, 2015 (“PIT Regulations”) as amended and in compliance Code of Conduct for Prevention of Insider Trading, we wish to inform you that the Trading Window for dealing in the securities of the Company shall remain closed for Designated Persons of the Company and their relatives as defined under the PIT Regulations, with effect from Thursday, October 1, 2026 till 48 hours after the declaration of Un-audited Standalone and Consolidated Financial Results for the half year ending on September 30, 2026. The date of consideration of the aforesaid Financial Results shall be intimated in due course. Accordingly, all the Designated persons and their relatives and other Insiders under the PIT Regulations are directed not to trade in the securities of the Company during the aforesaid trading window closure period. This is for your information and dissemination to all concerned. Thanking you, Yours faithfully, For Cosmic CRF Limited Priya Sayani Company Secretary & Compliance Officer Registered Office: Cosmic Tower, 19 Monohar Pukur Road, 2nd Floor, Kolkata, West Bengal, PIN :700029 Works: Village: Ajabnagar, P.O.: Molla Simla, P.S.: Singur, District : Hooghly, West Bengal, PIN : 712223.