Confirmation Certificate for the quarter ended 30 September 2026

14 October 2026 To, To, BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Dalal Street, Bandra - Kurla Complex, Mumbai 400 001 Bandra (E), Mumbai 400 051 Scrip Code: 524669 Symbol: HESTERBIO Respected Sir / Madam: Subject: Confirmation Certificate for the quarter ended 30 September 2026 This is to inform that the details of securities dematerialised / rematerialised during the quarter ended 30 September 2026, as required under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018, has received from our Registrar and Share Transfer Agent i.e. MUFG Intime India Private Limited. A copy of confirmation certificate enclosed herewith. We request you to take note of the above. Sincerely, For Hester Biosciences Limited Vinod Mali Company Secretary & Compliance Officer Enclosure: As above MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) CIN: U67190MH1999PTC118368 Registered Address: C-101, Embassy 247, L.B.S. Marg, Vikhroli (West), Mumbai - 400083. Tel: +91 22 4918 6000 www.in.mpms.mufg.com Date : 03-10-2026 The Compliance Officer/ Company Secretary HESTER BIOSCIENCES LIMITED VILLAGE: MEDA-ADRAJ, TALUKA: KADI DISTRICT: MEHSANA, GUJARAT - 384441 MAHESANA PINCODE : 384441 Sub : Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Dear Sir/Madam, In reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30th September 2026, were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialisation have been confirmed/rejected and the security certificates received were mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in the register of members as the registered owner within the prescribed timelines. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) Ashok Shetty Sr. Vice President-Corporate Registry MUFG Intime India Private Limited A part of MUFG Corporate Markets, a division of MUFG Pension & Market Services