Intimation of trading window closure of dealing in securities of the Company.

29th September, 2026 BSE Limited Corporate Relationship Department P.J. Towers, Dalal Street Mumbai – 400001. SCRIP CODE: 514183 ISIN: INE761G01016 Dear Sir/Madam, Sub: Closure of Trading Window for Dealing in Securities of the Company in terms of SEBI (Prohibition of Insider Trading) Regulations, 2015 Pursuant to the captioned subject, we wish to inform you that the trading window for dealing in securities of Black Rose Industries Limited (“the Company”) shall be closed for the Company’s Directors/ Officers, Designated Employees, and their Immediate Relatives from 1st October, 2026 till the declaration of financial results of the Company for the quarter and half year ended 30th September, 2026 and 48 hours thereafter. The date of the Board meeting of the Company for declaration of the said results will be intimated in due course separately. Kindly take the above information on record. Thanking you. Yours faithfully, For Black Rose Industries Limited Ambarish Daga Whole-time Director DIN: 07125212 Black Rose Industries Ltd. 145/A, Mittal Tower, Nariman Point, Mumbai - 400 021, INDIA Tel.: +91 22 4333 7200 / 2282 4075 l Fax: +91 22 2287 3022 E-mail: investor@blackrosechemicals.com l Website: www.blackrosechemicals.com CIN No.: L17120MH1990PLC054828 Factory : Shree Laxmi Co-op. Industrial Estate Ltd., Hatkanangle, Dist. Kolhapur, Maharashtra, INDIA