Disclosure under Regulation 7(1)(b) of SEBI (PIT) under Regulation 2015

Regd. Office: Royal Industrial Estate Office No. A-33/34 5B Naigaon Cross Road, Wadala Mumbai 400 031, Maharashtra COATED DUPLEX BOARD Tel.: +91-22-6812 5757 / 6812 5700 THREE M PAPER BOTH SIDE COATED Email: account@threemppaappe r.com BOARDS LIMITED WHITE BOARD CIN No.: L22219MH1989PLC052740 July 31, 2026 Department of Corporate Relationship BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai, Maharashtra 400001 Scrip Code: 544214 (Three M Paper Boards Limited) Subject: Reporting under regulation 7(1)(b) of the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015 including any statutory modifications or amendments or re-enactments thereof (“PIT Regulations”) We are enclosing herewith the disclosure received by Three M Paper Board Limited under Regulation 7(1)(b) of PIT Regulations, dated July 31, 2026 from the Promoter, namely Hitendra Dhanji Shah in Form C in respect of their shareholdings held in the company as on date. We request you to kindly take the above disclosure on your records and disseminate the information on your website. Thanking you Kindly acknowledge its receipt Yours Sincerely, For Three M Paper Boards Limited RUSHABH Digitalysigned by RUSHABH HITENDRA SHAH HITENDRA SHAH Date:2026073117:1659 +0530° Rushabh Hitendra Shah Managing Director DIN: 01874177 Encl.: Report under regulation 7(1)(b) of PIT Regulations (Formerly known as "Three M Paper Boards Pvt. Ltd." & "Three M Paper Mfg. Co. Pvt. Ltd.") Plant: -1, MIDC, Kherdi-Chiplun, Dist. Ratnagiri 415 604, Maharashtra | Tel.: +91-70661 15678/ 78430 56882 Website: www.threempaper.com