Intimation of Revision of Credit Rating pursuant to Regulation 30 of SEBI (LODR) Regulation, 2015

Duroply Industries Limited 113 Park Street, North Block 4th Floor Kolkata-700016, Ph: (033) 22652274 Ref: 5404/26-27/0034 August 20, 2026 Department of Corporate Services BSE Limited 25th Floor, P.J. Towers, Dalal Street, Fort, Mumbai - 400 001 Scrip Code: 516003 Dear Sir/Madam, Sub: Intimation under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015- Credit Rating. Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that India Ratings and Research Private Limited has upgraded / assigned the rating with respect to the Long-Term Credit Facilities (Bank Loan Facilities) from IND BB+ to IND BBB- with a Stable Outlook and the rating with respect to the Short-Term Credit Facilities (Bank Loan Facilities) from IND A4+ to IND A3. Kindly take the same on your records. Yours faithfully, For DUROPLY INDUSTRIES LIMITED [KOMAL DHRUV] Company Secretary