As per Attachment

November 5, 2026 To, To, National Stock Exchange of India Limited, BSE Limited, Exchange Plaza, Plot No. C/1, G Block, Bandra- Phiroze Jeejeebhoy Towers, Kurla Complex, Bandra (East), Mumbai – 21st Floor, Dalal Street, 400051 Mumbai – 400001 NSE Symbol: RISHABH BSE Scrip Code: 543977 Dear Sir/Madam, Sub: Intimation for Earnings Conference Call Q2 FY 2026-27 Pursuant to Regulation 30 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations 2015, we wish to inform that the Company will hold an Earnings Conference Call on Monday, November 16, 2026 at 04:00 PM (IST) to discuss with the Investors, the Financial and Operational Performance of the Company for the quarter and half year ended September 30, 2026. Earnings Conference Call details are attached hereto for reference. Kindly take the same on your records. For Rishabh Instruments Limited Ajinkya Joglekar Company Secretary and Compliance Officer ICSI Membership No.: A57272 Rishabh Instruments Limited Q2 and H1FY27 Earnings Call Invite Rishabh Instruments Limited cordially invites you to its Earnings Conference Call to discuss the Financial and Operational Performance for Q2 and H1FY27 Call Information Company Participants More Information Date and Time Mr. Narendra Goliya We look forward to your participation 16th November 2026 (Monday) Promoter and Executive Chairman RSVP 4:00 pm, IST Mr. Dineshkumar Musalekar Rishabh Instruments Limited Pre-Registration Link – Managing Director & Group Chief Executive CIN - L31100MH1982PLC028406 Click here Officer Pre-register to avoid wait time, Mr. Ajinkya Joglekar join with Diamond Pass Mr. Vishal Kulkarni Company Secretary Chief Financial Officer Email: ajinkya.joglekar@rishabh.co.in Conference Dial-ins Mr. Nishant Dudhoria Universal dial-in numbers – Mr. Nishant Dudhoria Additional General Manager +91 22 6280 1488 / Additional General Manager Email: nishant.dudhoria@rishabh.co.in +91 22 7115 8869 International Toll Free: Hongkong (8 0096 4448) | Singapore (80010 12045) | UK (0 80810 11573) | USA (1 86674 62133)