Gujarat Themis Biosyn Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 04/11/2026 ,inter alia, to consider and approve un-audited standalone and consolidated financial results for the quarter and half year ended 30.09.2026

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/2026-27/73 27th October, 2026 Listing Department Department of Corporate Services National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block-G Phiroze Jeejeebhoy Towers, Dalal Street Bandra Kurla Complex Mumbai 400001 Bandra East, Mumbai 400051 Symbol: GUJTHEM Scrip Code: 506879 Dear Sir / Madam, Sub: Intimation of date of Board meeting of the Company under Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015: Pursuant to Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform you that a meeting of the Board of Directors of Gujarat Themis Biosyn Limited is scheduled to be held on Wednesday, 4th November, 2026 to consider and approve the Un-Audited Standalone and Consolidated Financial Results for the quarter and half year ended on 30th September, 2026 and Limited Review Reports of the Auditor thereon; Further, we would like to inform you that as per the Company’s Code of Conduct for Prevention of Insider Trading pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015, the Company had intimated its ‘Designated Persons’ that the Trading Window would remain closed from 01st October, 2026 till the expiry of 48 hours from the date of publication of the said financial results of the Company. This is for your information and record please. Thanking you, Yours faithfully, For Gujarat Themis Biosyn Limited Vineet Gawankar Company Secretary & 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