Analysts/Institutional Investor Meet/Con. Call Updates

Date: October 27,2026 Ref. No.: KDL/SE/061/2026-27 To, To, BSE Limited National Stock Exchange of India Limited Corporate Relationship Department Exchange Plaza, Plot No. C-1, Block G, 25th Floor, Phiroze Jeejeebhoy Towers Bandra Kurla Complex, Bandra (East) Dalal Street, Mumbai- 400001 Mumbai – 400051 Scrip Code: 543328 NSE Symbol: KRSNAA Subject: Investor Call Updates - Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the Post Earnings Conference Call of the Company is scheduled to be held on Tuesday, November 03, 2026 at 12:30 Hrs. (IST). The call will commence with a brief discussion by the management on the financial results of the Company for the quarter and half year ended September 30, 2026, followed by an interactive Question and Answer session. Enclosed are the details for the same. Further, the transcript and audio recording/link of the conference call will be made available on the Company’s website at www.krsnaadiagnostics.com/investors subsequently. Thanking you, Yours sincerely, For Krsnaa Diagnostics Limited Sujoy Sudipta Bose Company Secretary and Compliance Officer We cordially invite you to the Q2 & H1FY27 Earnings Call of Krsnaa Diagnostics Ltd. Tuesday, 3rd November 2026 | 12:30 PM IST Management Representatives Mr. Yash Mutha Mr. Mitesh Dave Mr. Chandra Prakash Managing Director Group Chief Executive Officer Interim CFO Dial in Details Primary Numbers: International Toll Free: +91 22 6280 1256 •Hong Kong: 800964448 +91 22 7115 8157 •Singapore: 8001012045 •UK: 08081011573 •USA: 18667462133 Diamond Pass Link For Further Information Contact : Ankit Jain |ankit@stellar-ir.com Contact No : +91 22 6239 8024