Closure of Trading Window

To, Date: 23.09.2026 The Manager BSE Limited P.J. Towers, Dalal Street Mumbai- 400001 Dear Sir/Madam, Sub: Closure of Trading Window under SEBI (Prohibition of Insider Trading) Regulations, 2015 Unit: Gayatri BioOrganics Limited (BSE Scrip Code: 524564) With reference to the subject cited and pursuant to the Company’s Code of Conduct for Prevention of Insider Trading adopted by the Company under SEBI (Prohibition of Insider Trading) Regulations, 2015 the trading window for dealing in the securities of the Company will remain closed from 01.10.2026 till 48 hours after the declaration of Unaudited Financial Results for the Quarter and Half year ended 30.09.2026 for all designated persons, their immediate relatives and all connected persons covered under the Company’s Code of Conduct. The Board Meeting will be scheduled, inter-alia, to consider and approve the Unaudited Financial Results for the quarter and half year ended 30.09.2026. Accordingly, an intimation regarding the notice of Board Meeting shall be sent separately to the Stock Exchange. Further, the designated persons have been intimated not to trade in the securities of the Company during the above said period of closure of trading window. This is for the information and records of the Exchange, please. Thanking you. Yours sincerely, For Gayatri BioOrganics Limited Sreedhara Reddy Kanaparthi Managing Director DIN: 09608890