Newspaper publication regarding special window for transfer and dematerialization (demat) of physical shares

Duroply Industries Limited 113 Park Street, North Block 4th Floor Kolkata-700016, Ph: (033) 22652274 Ref: 5404/26-27/0017 July 22, 2026 BSE Limited Department of Corporate Services 25th Floor, P.J. Towers, Dalal Street, Fort, Mumbai - 400 001 Scrip Code: BSE: 516003 Dear Sir/Madam, Sub: Newspaper Advertisement - Special window for transfer and dematerialization of physical shares In pursuance of Regulation 30 of the Securities and Exchange Board of India (Listing Obligation and Disclosure Requirements) Regulations, 2015 and SEBI Circular No. HO/38/13/11(2)2026-MIRSD-POD/ I/3750/2026 dated January 30, 2026, we hereby submit the copies of newspaper publications made on 22nd July, 2026 in “ Financial Express” (English) (All India Edition) and in “ Duranta Barta” ( Bengali) ( Kolkata Edition ) with respect to the opening of special window for transfer and dematerialization (“demat’) of physical shares which were sold/ purchased prior to April 01, 2019. This is for your information and record. Thanking you, Yours faithfully, For DUROPLY INDUSTRIES LIMITED (KOMAL DHRUV) Company Secretary