Closure of Trading Window for the quarter and half-year ending 30th September 2026

Sy/Bse/147 26th September, 2026 BSE Ltd. P.J. Towers, Dalal Street, Mumbai - 400 001 Scrip Code: 509470 Dear Sir/Madam, Sub : Closure of Trading Window Ref : SEBI (Prohibition of Insider Trading) Regulations, 2015 and the Company's Code of Conduct for Regulating, Monitoring and Reporting of Trading by Designated Persons With reference to the captioned subject and pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended and the Company's Code of Conduct for Regulating, Monitoring and Reporting of Trading by Designated Persons of the Company and their immediate relatives, the Trading Window for dealing in the securities of the Company will remain closed for Designated Persons and their immediate relatives from 1st October, 2026 till 48 hours after the declaration of the Unaudited Financial Results of the Company for the quarter and half year ending 30th September, 2026 to the stock exchange. This is for your information and records. Thanking you, Yours faithfully, For Bombay Oxygen Investments Limited Anshika Pal Company Secretary and Compliance Officer A78049