Submission of Certificate received from the RTA of the Company under Regulation 74(5) of the SEBI ( Depositories and Participants) Regulations, 2018 for the quarter ended 30th September, 2026

Date: 26th October, 2026 The Department of Corporate Services Bombay Stock Exchange Limited 14th Floor, P.J. Towers, Dalal Street, Mumbai - 400 001. Dear Sir / Madam, Sub.: Certificate under Regulation 74(5) of the SEBI (Depository and Participants) Regulations, 2018 for the quarter ended 30th September, 2026 BSE Scrip Code: "543352” With reference to the captioned subject, we are hereby submitting the certificate received in accordance with the Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter and half year ended on 30th September, 2026 from the Registrar and Share Transfer Agent (RTA) of the Company i.e. Bigshare Services Private Limited. The above is for your information and record. Yours truly, For PlatinumOne Business Services Limited Amey Saxena Managing Director DIN: 02194001 PlatinumOne Business Services Limited Office No. A2 & A3,7th Floor, A-Wing, Ashar IT Park, 16Z Road, Wagle Estate, Thane (W), Maharashtra – 400 604. CIN No.: L67190MH2008PLC185240 www.platinumone.in Ref No. BSS/74(5) Date: 26/10/2026 PLATINUMONE BUSINESS SERVICES LIMITED UNIT NO 0907 & 0908, LODHA SUPREMUS II PLOT NO F-4 & F-4/1, RD NO 22 WAGLE ESTATE THANE 400604 Sub: Non applicability of Certificate for Compliance under 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 30th September 2026. Dear Sir/Madam, 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 30th September 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 30th September 2026 We request you to kindly take note of the above in your records. This is for your information. Thanking You, Yours faithfully, For Bigshare Services Pvt. Ltd., Sandeep More Authorised 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. Email: info@bigshareonline.com | Tel. No. +91-22-62638200| website: www.bigshareonline.com