Please refer to our submission of Call Recordings of the investor/analyst Conference Call held on Monday, August 10, 2026 (IST).

GUJARAT THEMIS BIOSYN LIMITED CIN: L24230GJ1981PLC004878 REGD. OFFICE &FACTORY: 69/C GIDC INDUSTRIAL ESTATE, VAPI – 396 195, DIST. VALSAD, GUJARAT, INDIA TEL: 0260-2430027 / 2400639 E-mail:hrm@gtbl.in.net GTBL/BSE/NSE/2026-27/48 10th August, 2026 Corporate Relationship Department National Stock Exchange of India Limited BSE Limited Exchange Plaza, Phiroze Jeejeebhoy Towers Bandra Kurla Complex, Dalal Street, Mumbai- 400001 Bandra (East), Mumbai- 400051 Scrip Code – 506879. Symbol: GUJTHEM Dear Sir / Madam, Sub: - Submission of Call Recordings of the investor/analyst Conference Call held on Monday, August 10, 2026 (IST). Pursuant to Regulation 30 and Regulation 46(2)(oa) or any other applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the call recordings of the investor/analyst conference call held on Monday, August 10, 2026, at 2:30 PM (IST), is available on the Company’s website as per the following links: Link for Audio call recording of investors/analysts call: https://www.gtbl.in/investor-meet-recordings/ Kindly take the aforesaid on records. Thanking you, Yours Faithfully For Gujarat Themis Biosyn Limited Vineet Gawankar Company Secretary and Compliance Officer MUMBAI OFFICE: Themis House, 11/12 Udyog Nagar, S.V Road, Goregaon (West), Mumbai – 400 104 Tel: 91-22-67607080 / 28757836 Fax: 28746621 / 67607019; E-mail: gtblmumbai@gtbl.in Website Address: www.gtbl.in