Intimation of non-participation in the investors and analysts meet scheduled on Monday, August 10, 2026.

August 06, 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 non-participation in the investors and analysts meet/conference/event scheduled on Monday, August 10, 2026. Ref: Our Intimation Letter dated August 03, 2026. This is with reference to our letter dated August 03, 2026, regarding Investors and Analysts Meeting. This is to inform you that the Company could not participate in the One-on-One & Group, Nirmal Bang's Semi-Annual Investor Conference” which is scheduled on Monday, August 10, 2026. 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