Please refer to the attached annexure w.r.t. the Closure of Trading Window for the quarter ending September 30, 2026.

@ KOTHARI FERMENTATION AND BIOCHEM LTD. An ISO 22000 : 2018 & KOSHER Certified Company Regd. Office : 16, Community Centre, 1st Floor, Saket, New Delhi -110017 TEL.: +91 11 40590944 E-mail : info@kothariyeast.in Web : www.kothariyeast.in CIN : L72411DL1990PLC042502 September 25,2026 The BSE Limited, Phiroze Jeejeebhoy Towers, 25t Floor, Dalal Street, Mumbai-400001. Ref: Scrip Code No.507474 Sub: Intimation of closure of Trading Window Dear Sir, This is to inform you that pursuant to the provisions of the Securities And Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015 and the Company’s code of conduct for regulating, monitoring and reporting of trading by Insiders, the Trading Window for dealing in the Equity Shares of the company by Designated Persons and their immediate relatives, shall remain closed from October 1, 2026 up to the completion of 48 hours after the declaration of the Unaudited Financial Results of the Company for the quarter and half year ended September 30, 2026. Accordingly, the Designated Persons and their immediate relatives have been informed not to trade in the securities of the Company during the above-said period of closure of the trading window. The date of the Board Meeting for the above-mentioned quarter in which results would be considered shall be intimated in due course. Kindly take the above information on your record. Thanking you, Yours faithfully, For Kothari Fermentation and Biochem Limited = Digitllysbiy gShniveandi Shivani s 40530 Shivani (Company Secretary & Compliance Officer) FACTORY: D 6-12, RAJARAMPUR, UPSIDC INDUSTRIAL AREA, SIKANDRABAD, DISTT. BULANDSHAHR (U.P.)-203206