Certificate under SEBI (Depositories and Participants) Regulations, 2018

Date: July 14, 2026 BSE Limited, National Stock Exchange of India Limited, 20th Floor, P.J. Towers, Exchange Plaza, C-1, Block G, Dalal Street, Bandra Kurla Complex, Bandra (E), Mumbai - 400001. Mumbai – 400 051 BSE Scrip Code: 544294 NSE Scrip Symbol: ROSSTECH Subject: Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the quarter ending June 30, 2026. Dear Sir/Ma’am, Pursuant to Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018, please find enclosed the certificate for the quarter ended June 30, 2026. We wish to inform you that consequent to the amalgamation of CB Management Services Private Limited [the erstwhile Registrar and Share Transfer Agent ("RTA") of the Company] with MUFG Intime India Private Limited, the activities of the RTA are now being carried out by MUFG Intime India Private Limited. Accordingly, the enclosed certificate for the quarter ended June 30, 2026 has been issued by MUFG Intime India Private Limited. The same is submitted for your information and records. Kindly take the above intimation on record. Thank you, For Rossell Techsys Limited Krishnappayya Desai Company Secretary & Compliance officer