Analysts/Institutional Investor Meet/Con. Call Updates

Date: 19October 2026 To To BSE Limited National StockExchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza Dalal Street Bandra Kurla Complex Mumbai –400001 Bandra (E) Mumbai –400051 SecurityCode: 540596 Symbol: ERIS SUBJECT: INTIMATION OFSCHEDULE OFANALYST &INVESTOR CALL Dear Sir/Madam, This is further to our letter dated October 19, 2026, intimating about the date of the Board of Directors Meeting to, inter alia, consider and approve the standalone and consolidated unaudited financial results of the Companyfor thequarterand half year ended September 30, 2026. We wish to inform that pursuant to Regulation 30 and other applicable regulations, if any, of the SEBI (LODR) Regulations, 2015, the Company will hold a conference call for analysts and investors onMonday, October 26, 2026, at 04:30 P.M. IST. The details of the said call are attached herewith and are also available on Company’s website. Thank you. For Eris Lifesciences Limited MilindTalegaonkar Company Secretary and ComplianceOfficer MembershipNo.:A26493 Encl.: a/a Eris Lifesciences Limited Q2 & H1 FY2027 Earnings Call Monday, October 26, 2026 4:30 PM IST Pre-register on Zoom Register Now Register Now Or paste this link in your browser: https://zoom.us/webinar/register/WN__G5l59PfTSiMRlXEA9lBcQ#/registration We look forward to your participation RSVP Atul Modi https://eris.co.in/ Investor Relations atul.modi@eristherapeutics.com