Please find enclosed the intimation of closure of trading window.

POST BOX NO. 10077 THE BOMBAY BURMAH TRADING CORPORATION LIMITED TEL. NOS.: +91 22 22197101 Email: writetous@bbtcl.com Website: www.bbtcl.com REGD. OFFICE: 9, WALLACE STREET, FORT, CIN: L99999MH1863PLC000002 MUMBAI 400 001, INDIA. 28th September, 2026 BSE Limited, National Stock Exchange of India Limited, Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor, Dalal Street, Plot No. C/1, ‘G’ Block, Mumbai- 400 001 Bandra-Kurla Complex, Equity Scrip Code: 501425 Bandra (E), Mumbai- 400 051. Scrip Code: BBTC Dear Sirs/Madam, Sub: Closure of Trading Window Ref: SEBI (Prohibition of Insider Trading) Regulations, 2015 This is to inform that pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015, and Corporation's Code of Conduct for Prevention of Insider Trading, trading window in respect of the Corporation's securities will remain closed for designated persons and their immediate relatives with effect from 1st October, 2026 till 48 hours after the declaration of Unaudited Financial Results (Standalone and Consolidated) of the Corporation for the quarter and half year ending 30th September, 2026. Kindly take the same on record. Thanking You, Yours faithfully, For The Bombay Burmah Trading Corporation Limited Lalita Rajesh Chief Financial Officer