Trading Window

BURNPUR CEMENT LIMITED Registered Office: 7/1 Anandilal Poddar Sarani (Russel Street) 5th Floor, Flat No.: 5B, Kanchana Building, Kolkata-700071 Phone: 033-4003 0212 Website: www.burnpurcement.com CIN: L27104WB1986PLC040831 E-mail: cs@burnpurcement.com Dated: September 26, 2026 National Stock Exchange of India BSE Limited Limited 1st Floor, New Trading Ring Rotunda Exchange Plaza, Plot No. C/1, G-Block Building Bandra-Kurla Complex, Bandra (E) P. J. Towers, Dalal Street Fort Mumbai – 400051 Mumbai- 400001 NSE Symbol – BURNPUR BSE Scrip Code – 532931 Dear Sir/Madam, Sub: Intimation of closure of Trading Window We wish to inform you that as per the Internal Code of Conduct for Prevention of Insider Trading framed by the Company pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015 (as amended), the ‘Trading Window’ for dealing in shares of the Company shall remain closed for all Designated Persons and their Immediate Relatives from 1st October, 2026 till 48 hours after the declaration to the Stock Exchanges of the Un-Audited Financial Results of the Company for the quarter ended 30th September, 2026. This is for your information and record. Thanking You, Yours faithfully, For Burnpur Cement Limited Punam Kumari Sharma Company Secretary & Compliance Officer