Disclosure regarding ESG rating of the Company.

August 3, 2026 BSE Limited National Stock Exchange of India Limited Luxembourg Stock Exchange Scrip Code: 500440 Scrip Code: HINDALCO Scrip Code: US4330641022 Sub: Voluntary Environment, Social and Governance [“ESG”] rating assigned by ESG Risk Assessments and Insights Limited Ref: a. Regulation 30 (read with Schedule III- Part A) of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 and b. ISIN: INE038A01020. Pursuant to above referred, we wish to inform that ESG Risk Assessments and Insights Limited [“Rating Agency/Provider”], a SEBI registered ESG Rating Provider, has assigned an ESG rating of “64” to the Company. This rating reflects the Company’s performance on ESG parameters, as assessed by the aforesaid Rating Agency. We would like to clarify that the Company did not engage the said Rating Agency, and that the ESG report has been independently prepared by it, based on information available in the public domain. The above information shall also be made available on the website of the Company at www.hindalco.com. This is for your information and record. Sincerely, for Hindalco Industries Limited Geetika Anand Company Secretary & Compliance Officer Hindalco Industries Limited Registered Office: 21st Floor, One Unity Center, Senapati Bapat Marg, Prabhadevi, Mumbai – 400013, India |T: +91 22 69477000 / 69477150 I F: +91 2269477001/69477090 W: www.hindalco.com |E: hilinvestors@adityabirla.com | Corporate ID No.: L27020MH1958PLC011238