Enclosed please find intimation regarding ESG rating for FY26 by SES ESG Research Private Limited

GMM/SEC/2026-27/28 August 5, 2026 BSE Limited NSE Limited Scrip Code: 505255 Symbol: GMMPFAUDLR Sub.: ESG Rating by SES ESG Research Private Limited Ref: Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir/ Ma’am, This is to inform you that SES ESG Research Private Limited (SES), a SEBI registered ESG Rating Provider, vide its report dated August 4, 2026, has assigned an Environment, Social, and Governance (ESG) Score of 71.1 (Grade B+) to the Company based on the data pertaining to FY26 against the ESG Score of 71.8 (Grade B+) assigned for FY25. The marginal decline in the ratings is attributed to lower scores in the Environment parameters. Please note that the Company has not engaged SES for ESG Rating. SES has independently prepared the report based on data pertaining to FY26 of the Company available in public domain and the report is issued voluntarily by them. This is also being made available on the website of the Company at www.gmmpfaudler.com Kindly take the same on record. Thanking you. Yours faithfully, For GMM Pfaudler Ltd Mittal Mehta Company Secretary & Compliance Officer FCS No.: 7848 GMM Pfaudler Ltd. Corporate Office: 902 VIOS Tower, New Cuffe Parade, Sewri -Chembur Rd, Mumbai 400037 Registered Office & Works: Vithal Udyognagar, Anand - Sojitra Road, Karamsad - 388325 O: +91 22 6650 3900 | F: +91 2692 661888 | CIN: L29199GJ1962PLC001171 W: www.gmmpfaudler.com | E: sales@gmmpfaudler.com