Borosil Scientific Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 28/10/2026 ,inter alia, to consider and approve the Unaudited Financial Results (Standalone & Consolidated) for the quarter and half year ended September 30, 2026

October 21, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G, Dalal Street, Bandra-Kurla Complex, Mumbai - 400 001 Bandra (East), Mumbai 400 051 Scrip Code: 544184 Trading Symbol: BOROSCI Dear Sirs, Sub: Board Meeting Intimation Pursuant to Regulation 29 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, this is to inform that a meeting of the Board of Directors of the Company is scheduled to be held on Wednesday, October 28, 2026, inter alia, to consider and approve the Unaudited Financial Results (Standalone & Consolidated) for the quarter and half year ended September 30, 2026. Further, the Trading Window for dealing in the equity shares of the Company for all the Designated Persons and their immediate relatives, which was closed from October 01, 2026, shall continue to remain closed till 48 hours after the declaration of the aforesaid results. This intimation is also being made available on the Company’s website at www.borosilscientific.com. Yours faithfully, For Borosil Scientific Limited Ramavtar Sharma Company Secretary & Compliance Officer