Analysts/Institutional Investor Meet/Con. Call Updates

September 10, 2026 DCS-CRD Listing Compliance BSE Limited National Stock Exchange of India Limited First Floor, New Trade Wing Exchange Plaza, 5th Floor Rotunda Building, Phiroze Jeejeebhoy Towers Plot No. C/1, ‘G’ Block, Bandra- Kurla Complex Dalal Street, Fort Mumbai 400001 Bandra East Mumbai 400051 Fax No.2272 3121/2037/2039 Fax No.2659 8237/8238 Stock Code: 543213 Stock Code: ROSSARI Dear Sir/Madam, Sub: Intimation of scheduled investors and analysts meet/conference/events Pursuant to the Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform that the Company will be participating in the investors and analyst meet/conference/events, as mentioned below: Day and Date Time Meeting Type Location Thursday, September 10:00 AM (IST) One-on-One & Group Mumbai 17, 2026 onwards The discussion(s) and presentation at the meeting will be on the financial and other information available to the public or covered in the ‘Earnings Presentation’, which was submitted to the Stock Exchange(s) vide our letter dated July 19, 2026 and uploaded on our website. Note: 1. The date and time of the aforesaid meeting/conference/events is subject to change due to exigencies on the part of Investors/Company. 2. No Unpublished Price Sensitive Information will be shared at the above-mentioned meeting(s). The same may please be taken on record and suitably disseminated to all concerned. Thanking you, Yours Sincerely, For Rossari Biotech Limited Parul Gupta Company Secretary & Head - Legal Membership No.: A38895