We are hereby attaching the Certificate received form Venture Capita and corporate Investments Private Limited.

Date: 13-10-2026 BSE Limited Department of Corporate Services Listing Department PJ tower, Dalal Street Mumbai — 400001 Dear Sir, Sub: Certificate under Regulation 74 (5) of the SEBI (Depositories and Participants) Regulations, 2018 for the period ended 30" September, 2026 In accordance with Regulation 74 (5) of the SEBI (Depositories and Participants) Regulation, 2018 and based on the certificated receive from M/s. Venture Capital and Corporate Investments Pvt. Ltd., (Registrar and Share Transfer Agent), we hereby confirm that for the period from 1% July, 2026 to 30 September, 2026, the RTA has not received any certificates of equity shares for dematerilization. e For Hindustan Bio Sciences limited Managing Director (DIN: 00060800) HINDUSTAN BIOSCIENCES LTD. +91 40 23555161 / 23555181 #31, Sagar Society, Road No. 2, pharma.hindustanbio@gmail.com Banijara Hills, Hyderabad --500 034, INDIA. www.hindustan.bio CIN : L26942TG1991PLC013564 v Venture Capital and Corporate Syeers years Investments Private CIN : U65993TG1986PTC006936 Date: 05.10.2026 The Managing Director, Hindustan Biosciences Limited, Plot No.31, Sagar Society, Road No.2, Banjara Hills, Hyderabad — 500 034. Dear Sir/Madam, Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30.09.2026 Ref: Security Code — 532041 ISIN: INE597C01021 We hereby certify that the no securities have received for dematerialization/rematerilization during this quarter of your company. We request you to take this information on record and to inform Depositories(s) and Stock Exchange(s) wherever your securities are listed accordingly. Thanking you, Yours faithfully, for Venture Capital and Corporate Investments Private Limited Authorized Signatory. Regd.Office : "Aurum", 4th & 5th Floors, Plot No.57,Jayabheri Enclave Phase - I, Gachibowli, Hyderabad - 500032. Phone : 040- 23818475/76 Website : www.vccipl.com