Intimation of ESG Rating

No. GMDC/CS/ BSE/NSE/051/2026-27 Dt. 19/10/2026 To, To, National Stock Exchange of India, Bombay Stock Exchange Ltd. Exchange Plaza, C-1, Block G, 25th Floor, P.J. Towers Bandra Kurla Complex Dalal Street Bandra (East) , Mumbai – 400 051 Fort, Mumbai-400 001 Code : GMDCLTD Code : 532181 Dear Sir/Madam, Subject: Intimation of ESG Rating assigned by CRISIL Ratings & Analytics Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform that Gujarat Mineral Development Corporation Limited (“the Company”) has received Environmental, Social and Governance (ESG) Rating from CRISIL Ratings & Analytics. As per the rating, the Company has been assigned an ESG Rating score of 58, categorized as “Adequate”. The detailed ESG rating and related disclosures are available on the website of CRISIL Ratings & Analytics and can be accessed at: https://www.crisilesg.com/en/home/esg-ratings.html Please be informed that the Company did not engage CRISIL Ratings & Analytics for the evaluation or issuance of its ESG Rating. The rating has been assigned based on publicly available information, and the Company has neither participated in nor provided any specific data for the purpose of such assessment. This is for your information and record. Thanking you, Yours faithfully, For Gujarat Mineral Development Corporation Limited, Joel Evans Company Secretary. CERTIFIED COPY OF RESOLUTION APPROVED BY BOARD OF DIRECTORS Gujarat Mineral Development Corporation Limited (A Government of Gujarat Enterprise) CIN : L14100GJ1963SGC001206 “Khanij Bhavan”, 132 Ft. Ring Road, Near University Ground, Vastrapur, Ahmedabad-52 Phone : 27913200/3501 Email: cs.co@gmdcltd.com Website: www.gmdcltd.com