Certificate under Reg 74(5) of Sebi (DP) Regulation for the period 1.07.2026 to 30.09.2026.

Date: 8.10.2026 The Secretary BSE Limited Phiroze Jeejeebhoy Towers Dalal Street Mumbai - 400001 Scrip Code: 544334 Scrip Symbol: INDOBELL Dear Sir/Madam, Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations 2018 for the period 1.7.2026 to 30.9.2026 Re: BSE Script Code/Script ID: 544334/ Indobell Please find below the certificate as required under the regulation 74(5) of the SEBI (Depositories and Participants) Regulations 2018, for the period 1.7.2026 to 30.9.2026, received from the Integrated Registry Management Services Private Limited, Registrar and Shares Transfer Agent (“RTA”) of the Company. You are requested to take the same on records. For Indobell Insulations Limited Sanjay Agarwal Company Secretary and Compliance Officer M. No. A15785 IRMSPL/INDO/SEPT2026 October 6, 2026 Indobell Insulations Ltd 88C, Lake View Road, Kolkata, West Bengal - 700029 Kind Attn: Mr. Sanjay Agarwal - Company Secretary & Compliance Officer Dear Sir/Madam, Certificate pursuant to Regulation 74(5) of SEBI (Depositories and Participants) Sub: Regulations, 2018 -For the period 01.07.2026 to 30.09.2026 This has reference to the Regulation 74(5) of SEBI (Depositories and Participants) Regulations 2018, we hereby confirm that we have not received any request for dematerialisation or rematerialisation of shares for the period 01.07.2026 to 30.09.2026. Thanking You. Yours faithfully, For Integrated Registry Management Services Private Limited S Giridhar General Manager INTEGRATED REGISTRY MANAGEMENT SERVICES PRIVATE LTD #30, Ramana Residency, 4th Cross, Sampige Road, Malleswaram, Bangalore – 560 003. Phone No.: 080 2346 0815 to 818 Fax No.: 080 2346 0819 Fixed Deposits related query Email ID: fd@integratedindia.in / Shares related query Email ID: giri@integratedindia.in Regd.Office: 2nd Floor,Kences Towers, No.1, Ramakrishna Street, North Usman Road, T. Nagar, Chennai – 600 017 CIN:U74900TN2015PTC101466 ; SEBI Regn No: INR000000544 “Appointment of a nominee for the shares held by you is not an option but your right!! Please exercise your right to nominate”