Intimation of Environmental, Social and Governance (''ESG'') Rating is attached herewith

288/LG/SE/SEP/2026/GBSL September 28, 2026 To To BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Bandra Kurla Complex, Dalal Street, Fort, Mumbai – 400 001 Bandra (E), Mumbai – 400 051 Scrip Code: 509079 Scrip Symbol: GUFICBIO Subject: Intimation of Environmental, Social and Governance (‘ESG’) Rating Dear Sir/ Madam, Pursuant to Regulation 30(6) read with Part A of Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, we hereby inform you that Crisil ESG Ratings & Analytics Ltd’s (‘Crisil’), a SEBI Registered Category – I Environmental, Social and Governance (ESG) Rating Provider vide its report dated September 25, 2026, received by the Company on September 28, 2026, has assigned an overall ESG rating of CRISIL ESG 62 (Category: Strong) to the Company for FY 2025-26. Please note that the Company has not engaged Crisil for ESG Rating. Crisil has independently assigned the ESG rating to the Company based on the information pertaining to FY 2025-26 available in the public domain. Kindly take the same on record. Thanking You, Yours truly, For Gufic Biosciences Limited Ami Shah Company Secretary & Compliance Officer Membership No. A39579