Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015

Date: August 07,2026 Ref. No.: KDL/SE/026/2026-27 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 Friday, August 14, 2026 at 13:00 Hrs. (IST). The call will commence with a brief discussion by the management on the financial results of the Company for the quarter ended June 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 EQUIRUS Conference Call Invitation SECURITIES Quarterly Earnings Call Equirus Securities Private Limited cordially invites you to participate in Krsnaa Diagnostics Ltd (KRSNAA IN) Q1 FY27 Earnings Conference Call Speakers Friday – 14th Aug 2026 @ 1:00 PM IST Mr. Rajendra Mutha - Chairman & Whole- 3:30 PM Singapore & Hong Kong; time Director 8:30 AM UK Mr. Yash Mutha - Managing Director Express join with DiamondPass no wait time Mr. Mitesh Dave - Group CEO https://services.choruscall.in/DiamondPassRegistration/register?confirmati Mr. Chandra Prakash Singh - Interim Chief Financial Officer onNumber=9214844&linkSecurityString=4fddbd01dc Mr. Sujoy Bose - Head - Secretarial, Legal and Compliance Call Leader: Bharat Celly, Equirus Securities Conference dial-in: Primary Universal Number: 91-22-6280 1224 / 7115 8125 The numbers listed above are universally accessible from all networks and all countries. Toll Free Numbers - USA: 18667462133 / UK: 08081011573 / Singapore: 8001012045 / Hong Kong: 800964448/Argentina:0080014243444/Australia:0080014243444/Belgium:0080014243444/Canada:01180014243444/China:4008428405/F rance:0800914745/Germany:0080014243444/Italy:0080014243444/Japan:00531161110/Netherlands:08000229808/Poland:008001124248/ South Korea:00180014243444/Sweden0080014243444/Thailand:00180014243444