Closure of Trading Window

Date 22-09-2026 The General Manager Department of Corporate Services – CRD BSE LIMITED Phiroze Jeejeebhoy Towers Dalal Street,Mumbai 400 001. Dear Sir/Madam, Sub: - Intimation of Closure of Trading Window under the SEBI (Prohibition of Insider Trading) Regulations, 2015 Ref:- Scrip Code BSE: 526139. Pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015 read with amendments thereto regarding trading restriction period, we hereby inform that the trading window for dealing in securities of the company shall remain closed for all Directors/KMPs/ Designated Employees/Connected Persons, as defined in the Regulations and Code of Conduct with effect from Thursday, 01ST October,2026 and will continue to remain closed till completion of Forty Eight (48) hours after the declaration of Limited reviewed Financial Results of the Company for the second quarter to be ended on 30th September, 2026. The date of Board Meeting for the consideration of un-audited financial results of the Company for the quarter ended September 30, 2026 shall be intimated in due course of time. You are requested to kindly take the same on record for your information and request you to acknowledge the receipt of above. Thanking you Yours Sincerely For TRANSGENE BIOTEK LIMITED DR K KOTESWARA RAO MANAGING DIRECTOR Plot 69&70 IDA Bollaram, SangareddyDistrict–502 325, Telangana, India Ph: +91-40-65589499 Fax: +91-8458-279755 Web:www.transgenebiotek.com Email:info@transgenebiotek.com, CIN No: L85195AP1990PLC011065