Certificate under Reg 74(5) of SEBI (DP), Regulation,2018

Regd. Office: Royal Industrial Estate Office No. A-33/34 5B Naigaon Cross Road, Wadala COATED DUPLEX BOARD | MumEal 400 031, Maharashira Tel.: +91.22.6812 5757 / 6812 5700 THREE M PAPER BOTH SIDE COATED Email: account@threempaper.com BOARDS LIMITED WHITE BOARD CIN No.: L22219MH1989PLC052740 Date: October 15, 2026 The Manager, Department of Corporate Services, BSE Limited P.]. Towers, Dalal Street, Mumbai - 400 001. Subject: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the period and Quarter ended September 30th, 2026. Ref: BSE Script Code: 544214 (Three M Paper Boards Limited) Respected Sir/Madam, With reference to above subject, we enclose herewith confirmation certificate, received from our Registrar and Share Transfer Agent (RTA) i.e Bigshare Services Private Limited for the Quarter ended September 30, 2026. Kindly take the same on record. This is for your information and record. For Three M Paper Boards Limited Mittal Mehta Company Secretary & Compliance Officer Membership No. : 36950 (Formerly known as "Three M Paper Boards Pvt. Ltd." & "Three M Paper Mfg. Co. Pyt. Ltd.") Plant: -1, MIDC, Kherdi-Chiplun, Dist. Ratnagiri 415 604, Maharashtra | Tel.: 191-70661 15678 / 78430 56882 Website: www.threempaper.com Bigshare Services Pvt. Ltd. Ref No. BSS/Reg 74(5)/2026 Date: 12/10/2026 THREE M PAPER BOARDS LIMITED A33 34 FLOOR 2 ROYAL INDUSTRIAL ESTATE 5B NAIGAON CROSS ROAD Mumbai - 400031 Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th September 2026 Dear Sir, With reference to the captioned regulation, 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 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. Tel. : +9122 6263 8200 • Fax : +9122 6263 8299 • Email : info@bigshareonline.com • Website : www.bigshareonline.com