General Updates

Date: November 03, 2026 Ref. No.: KDL/SE/069/2026-27 To, To, BSE Limited National Stock Exchange of India Limited Corporate Relationship Department Exchange Plaza, Plot No. C-1, Block G, Bandra Kurla 25th Floor, Phiroze Jeejeebhoy Towers Dalal Street, Complex, Bandra (East) Mumbai – 400051 Mumbai- 400001 NSE Symbol: KRSNAA Scrip Code: 543328 Dear Sir/Madam, Sub: Intimation regarding change in the Corporate Office of the Registrar and Share Transfer Agent (RTA) of the Company. Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that our Registrar and Share Transfer Agent (RTA), KFin Technologies Limited, has intimated us regarding the shifting of their Corporate Office. The Corporate Office of KFin Technologies Limited will be shifting from its existing premises to a new location with effect from December 1, 2026. Please note that the Registered Office of the RTA shall remain unchanged. The revised address and contact details of the new Corporate Office are as follows: New Corporate Office Address: KFin Technologies Limited, 6,23,24,25th Floor, South Tower, Rajapushpa West Avenue survey No. 115, Kokapet, Serilingampally Mandal, Ranga Reddy District, Telangana – 500075. Updated Contact Details: Telephone: 081210 13657 Email: statutoryandcompliance@kfintech.com Website: https://www.kfintech.com/ Existing Corporate Office Address (for reference): KFin Technologies Limited, Selenium Tower B, Plot No. 31 & 32, Gachibowli, Financial District, Nanakramguda, Serilingampally, Hyderabad - 500032, Telangana. We request you to kindly take note of the change in your records and databases. All future correspondence, notices, documents, and other business-related communications related to the RTA's corporate office will be addressed to the new location effective from the aforementioned date. Thanking you, Yours sincerely, For Krsnaa Diagnostics Limited Sujoy Sudipta Bose Company Secretary & Compliance Officer