General Updates

June 30, 2026 BSE Limited National Stock Exchange of India Limited Luxembourg Stock Exchange Scrip Code: 500440 Scrip Code: HINDALCO S crip Code: US4330641022 Sub: Communication to Shareholders. Ref: a. Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 [“SEBI Listing Regulations”] and b. ISIN: INE038A01020 In terms of Reg. 36(1)(b) of the SEBI Listing Regulations, the Company has issued letters to those Shareholders whose e-mail addresses are not registered with the Company / the Registrar and Share Transfer Agent / Depositories / Depository Participants, providing separate web-links from where the Notice of the 67th AGM and the Integrated Annual Report for FY 2025-26 can be accessed on Company’s website. A copy of the letter is enclosed herewith. This is also being made available on the website of the Company www.hindalco.com. The above is for your information and record. Sincerely, or Hindalco Industries Limited Geetika Anand Company Secretary and Compliance Officer Encl: a/a 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 HINDALCO INDUSTRIES LIMITED Registered Office: 21st Floor, One Unity Center, Senapati Bapat Marg, Prabhadevi, Mumbai – 400013, India CIN: L27020MH1958PLC011238 Tel: +91 22 69477000 / 69477150 I Fax: +91 2269477001/69477090 Website: www.hindalco.com | E-mail: hilinvestors@adityabirla.com Dear Shareholder, Sub.: Notice convening the 67th Annual General Meeting [“AGM”] of Hindalco Industries Limited [“Company”] and Integrated Annual Report for the Financial Year 2025-26 We are pleased to inform you that the 67thAGM of the Members of the Company is scheduled to be held on Thursday, July 23, 2026, at 3.00 P.M (IST) through Video Conferencing [“VC”] facility, in compliance with the various circulars issued by Ministry of Corporate Affairs and Securities and Exchange Board of India from time to time. The Notice of the 67thAGM along with the Integrated Annual Report for the financial year 2025-26 is being sent by electronic mode to Members whose e-mail ids are registered with the Company / Registrar & Share Transfer Agent [“RTA”] or the Depository Participants [“Dps”]. Based on the records available with the Company and/or RTA of the Company, your email address is not registered against your demat account/folio number. Accordingly, pursuant to Regulation 36(1)(b) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, this communication is being sent to inform you that the Notice of the 67thAGM along with Integrated Annual Report for the financial year 2025-26,could be accessed through the following weblinks: AGM Notice: https://www.hindalco.com/Upload/PDF/notice-67th-annual-general-meeting.pdf Integrated Annual Report: https://www.hindalco.com/Upload/PDF/hindalco-annual-report-2025-26.pdf Path: www.hindalco.com >Investors > Integrated Report > Annual Reports The above can be accessed by scanning the QR code below: To register your email address, please approach your DP, for shares in electronic form and for shares held in physical form, write to the RTA of the Company at the below address: MUFG lntime India Private Limited C-101, 1st Floor, Embassy 247, Lal Bahadur Shastri Marg, Vikhroli (West), Mumbai - 400 083 Tel No.: +91810 811 6767 Toll Free No.:+91 1800 1020 878 Email: investor.helpdesk@in.mpms.mufg.com Website: https://in.mpms.mufg.com Thanking you, Yours truly, For Hindalco Industries Limited Sd/- Geetika Anand Company Secretary and Compliance Officer