Non applicability of Certificate for Compliance under Regulation 74 (5) of SEBI (Depositories and Participants) Regulation, 2018 (erstwhile Reg. 54of SEBI(Depository and Participant) Regulations, 1996) for the quarter ended on September 30, 2026

Date: October 9, 2026 To, To, National Stock Exchange of India Limited BSE Limited Exchange Plaza, Plot No. C/1, G-Block Bandra Phiroze Jeejeebhoy Towers Dalal Street Mumbai – Kurla Complex, Bandra (E) Mumbai – 400 051 400001 Trading Symbol: CEINSYS Scrip Code: 538734 Subject: Non applicability of Certificate for Compliance under Regulation 74(5) of the SEBI (Depositories and Participants) Regulation, 2018 (erstwhile Reg. 54 of SEBI (Depository and Participant) Regulations, 1996) for the quarter ended on September 30, 2026. Dear Sir/Madam, Please find enclosed herewith the confirmation from Registrar and Share Transfer Agent of the Company: M/s Bigshare Services Private Limited regarding non applicability of Certificate for Compliance under Regulation 74(5) of the SEBI (Depositories and Participants) Regulation, 2018 for the quarter ended on September 30, 2026. You are requested to take the same on your records. For Ceinsys Tech Limited Pooja Karande Company Secretary & Compliance Officer (M. No. A54401) Encl.: As above Ceinsys Tech Ltd. Registered Office: 10/5, IT Park, Nagpur-440022. Maharashtra, India I CIN: L72300MH1998PLC114790 info@cstech.ai I EPABX: +91 712 2249033/358/930 Fax: +91 712 2249605 www.cstech.ai Bigshare Services Pvt. Ltd. Date: 09/10/2026 CEINSYS TECH LIMITED 10/5 I.T. Park Nagpur Maharashtra Pin - 440022. Dear Sir/Madam, Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended September 30, 2026. In accordance with Regulation 74(5) of the SEBI (Depositaries and Participants) Regulation, 2018 (erstwhile Reg. 54 of SEBI (Depository and Participant) Regulations, 1996) for the quarter ended June 30, 2026, we hereby confirm that the said Regulation is not applicable to the Company as the entire holding of the Company’s shares are in demat form and we have not received any request from any members of the Company for rematerialisation or dematerialization, during the quarter ended on September 30, 2026. Thanking you, Yours faithfully, For Bigshare Services Pvt Ltd. Sandeep More Authorized Signatory CIN : U99999MH1994PTC076534 Regd. Office: Office No S6-2, 6th Floor, Pinnacle Business Park, Next to Ahura Centre, Mahakali Caves Road, Andheri (East) Mumbai - 400 093. Tel. : +9122 6263 8200 • Fax : +9122 6263 8299 • Email : info@bigshareonline.com • Website : www.bigshareonline.com