Closure of Trading Window for the quarter ended September 30, 2026.

Date: September 27, 2026 The Manager-Listing BSE Ltd. Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai - 400 001. Dear Sir / Madam, Sub: Closure of Trading Window- SEBI (Prohibition of Insider Trading) Regulations, 2015 Ref: Scrip Code: 539011 ISIN: INE777O01016 With reference to the above subject, we wish to inform you that Trading Window for the securities of the Company shall be closed with effect from October 1, 2026 in accordance with the Company’s Code of Conduct for prevention of Insider Trading and SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended from time to time. The Trading Window shall be opened after passing of 48 hours of conclusion of the Board meeting, in which the Unaudited Financial Results for the quarter ended September 30, 2026 shall be approved. The date of the Board meeting shall be intimated to you separately. Accordingly, all the designated persons and their immediate relatives are advised not to enter into any transaction involving the securities of the Company during the aforesaid period of closure of trading window. Kindly take the above information on record and confirm compliance. Thanking you, For Chennai Ferrous Industries Limited Balamurugan M Company Secretary & Compliance Officer