Resignation of Mr. K.S. Vaidyanathan, Independent Director from Board of Directors of Indrayani Biotech Limited.

13.10.2026 BSE Limited Dept. of Corporate Services, Floor 25, PJ Towers, Dalal Street, Mumbai-400001. Scrip Code: 526445 Dear Sir/Madam, Subject: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Resignation of Independent Director Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform you that Mr. K.S. Vaidyanathan (DIN: 01122393), Independent Director of the Company, has tendered his resignation vide letter dated 12th October, 2026. The Board of Directors of the Company has considered and accepted the resignation today, i.e.,13th October, 2026. He will be relieved from the position of Independent Director of the Company with effect from the close of business hours on 13th October, 2026. As required under Clause 7B of Part A of Schedule III of the SEBI (LODR) Regulations, 2015, Mr. K.S. Vaidyanathan has confirmed that there are no other material reasons for his resignation other than those mentioned in the resignation letter. The details required under SEBI Circular No. SEBI/HO/CFD/CFD-PoD-1/P/CIR/2023/123 dated July 13, 2023, are enclosed herewith as Annexure-A. Kindly take the above information on record. Thanking you, Yours faithfully, For Indrayani Biotech Limited Swaminathan Govindarajan Whole-time Director DIN: 02481041 Block 1, 33, SIDCO Electronic Complex, Thiru Vi Ka Industrial Estate, Guindy, Chennai 600032 Ph: +91-44-24463751 / +91-44-22502146 | www.indrayani.com | info@indrayani.com | CIN: L40100TN1992PLC129301 ANNEXURE A Disclosures related to resignation of Mr. K.S. Vaidyanathan, Independent Directors The Details required under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with SEBI circulars SEBI/HO/CFD/PoD2/CIR/P/2023/120 dated July 11, 2023: S. No Particulars Description 1 Reason For Change Viz. Appointment, Resignation, Resignation from the post of Removal, Death or Otherwise; Independent Director of the Company due to Personal Reasons with effect from 13th October, 2026 2 Date of appointment/cessation applicable) & term of 13th October, 2026. appointment; 3 Brief profile (in case of appointment) NA 4 Disclosure of relationships between directors (in case NA of appointment of a director) 5 Directorships in other listed entities Nil 6 Membership of Board Committees in other listed Nil entities Block 1, 33, SIDCO Electronic Complex, Thiru Vi Ka Industrial Estate, Guindy, Chennai 600032 Ph: +91-44-24463751 / +91-44-22502146 | www.indrayani.com | info@indrayani.com | CIN: L40100TN1992PLC129301