ESG Rating by NSE Sustainability Rating & Analytics Limited

August 11, 2026 BSE Limited National Stock Exchange of India Limited P J Towers, Exchange plaza, Dalal Street, Bandra-Kurla Complex, Bandra (E) Mumbai – 400001 Mumbai – 400051 Scrip Code: 542066 Scrip Code: ATGL Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("SEBI Listing Regulations") – ESG Rating. Dear Sir / Madam, Pursuant to Regulation 30 of SEBI Listing Regulations read with SEBI Master Circular bearing reference number HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, we wish to inform you that NSE Sustainability Ratings & Analytics Limited (“NSE Sustainability”) has assigned an overall ESG Rating of “75” for FY2026 placing the Company in the ‘Leader’ ESG rating category, demonstrates exceptional ESG maturity with best-in-class practices. We further wish to inform that the Company has not engaged NSE Sustainability for the evaluation or issuance of its ESG Rating. The rating has been independently prepared by NSE Sustainability based on the Company’s disclosures for FY 2026 and other publicly available information. Kindly take the same on your records. Thanking you, Yours faithfully, For Adani Total Gas Limited Anil Agrawal Company Secretary Adani Total Gas Limited Tel : +91 79 6624 3200 (Formerly known as Adani Gas Ltd) Fax: +91 79 2754 2988 Crest 4-5, Inspire Business Park investor.agl@adani.com Shantigram, Nr. Vaishnodevi Circle, www.adanigas.com S.G.Highway, Ahmedabad – 382 421 Gujarat, India CIN: L40100GJ2005PLC046553 Registered Office: “Adani Corporate House”, Shantigram, Near Vaishno Devi Circle, S. G. Highway, Khodiyar, Ahmedabad - 382421