Change in Senior Management Personnel.

August 7, 2026 BSE Limited National Stock Exchange of India Limited Luxembourg Stock Exchange Scrip Code: 500440 Scrip Code: HINDALCO Scrip Code: US4330641022 Sub: Changes in Senior Management Personnel [“SMP”]. Ref: a. Regulation 30 (read with schedule III- Part A) of the Securities Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 [“Listing Regulations”]; b. SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 [“SEBI Circular”] and c. ISIN: INE038A01020. Pursuant to the above referred, we wish to inform you of the following changes in the SMP of the Company, with immediate effect: 1. Change in role: Mr. Kailash Pandey elevated as ‘CEO - Aluminium Upstream’. Currently, ‘Head - Mining and Sambalpur Cluster’ at the Company, he will move in the role of ‘CEO - Aluminium Upstream’. Mr. Pandey has over 30 years of experience in Operations, Project Execution, and Manufacturing Excellence. He joined the Company as a Graduate Engineer Trainee (GET) in 1995 at the Renukoot Cluster and has since progressed through roles of increasing responsibility across the Renukoot & Sambalpur Clusters - playing a pivotal role in driving operational excellence, executing large-scale projects, and delivering strong business performance. He is an Electrical Engineer and has completed the Advanced Management Program from Harvard Business School in 2024. 2. Cessation as SMP due to change in the organization structure and reporting : Mr. Sameer Nayak. Brief details of the above changes as required under the SEBI circular are as below: Sr. Particulars Details No. Mr. Kailash Pandey Mr. Sameer Nayak 1. Reason for change viz. Change in role Cessation as an SMP on appointment, resignation, (is already an SMP) account of change in the removal, death or otherwise organization structure and reporting. 2. Date of appointment/cessation w.e.f. August 7, 2026 (as applicable) and terms of appointment 3. Brief profile (in case of appointment) Not Applicable 4. Disclosure of relationships Not Applicable between directors (in case of appointment of a director) The above is being made available on the Company’s website i.e., www.hindalco.com 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