Please find attached the ESG Rating from NSE Sustainability Ratings & Analytics Limited

September 3, 2026 National Stock Exchange of India Limited BSE Limited “Exchange Plaza” Phiroze Jeejeebhoy Towers Bandra Kurla Complex Dalal Street Bandra (East) Fort Mumbai 400 051 Mumbai 400 001 Symbol: GRINDWELL Scrip Code No. 506076 Dear Sir/Madam, Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”) - NSE Sustainability Ratings & Analytics Limited We wish to inform you that the Company has received an overall Environmental, Social and Governance (“ESG”) Rating of ‘64’ from NSE Sustainability Ratings & Analytics Limited (“NSRAL”), based on the disclosures for FY 2025-26. NSRAL has submitted the rating report to BSE Limited and National Stock Exchange of India Limited, which can be accessed through the Weblinks and QR Codes given below: BSE Limited National Stock Exchange of India Limited https://www.bseindia.com/stock- https://www.nseindia.com/companies- share-price/grindwell-norton-ltd/ listing/corporate-sdd-credit-rating-esg grindwell/506076/intermediaries-erp Please note that the Company has not engaged NSRAL for the ESG Rating. NSRAL has independently prepared the report based on data pertaining to FY 2025-26 of the Company that is available in public domain. This is also being made available on the website of the Company at www.grindwellnorton.co.in. This is for your information and record. Thanking you, Yours faithfully, For Grindwell Norton Limited Girish T. Shajani Company Secretary Membership No. A22547