Intimation regarding strike off of East Coast Bauxite Mining Company Private Limited, a wholly owned subsidiary of the Company

June 22, 2026 BSE Limited National Stock Exchange of India Limited Luxembourg Stock Exchange Scrip Code: 500440 Scrip Code: HINDALCO Scrip Code: US4330641022 Sub: Intimation regarding Strike Off of Wholly Owned Subsidiary. 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; 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, kindly note that East Coast Bauxite Mining Company Private Limited [‘East Coast’], a wholly owned subsidiary of Hindalco Industries Limited [‘Company’], has been struck off by the Registrar of Companies, Cuttack, Ministry of Corporate Affairs under Section 248 of the Companies Act, 2013, pursuant to East Coast’s application for voluntary strike off, vide Notice of Striking Off and Dissolution bearing reference no. STK-7/001321/2026 dated June 22, 2026. Accordingly, East Coast has ceased to be the Company’s wholly owned subsidiary, effective June 22, 2026. These aforesaid action will have no material impact on the operations or financial position of the Company. The details required under the SEBI Circular, are as below: Sr. Particulars Details 1 The amount and percentage of the turnover or revenue or Nil income and net worth contributed by such unit or division or undertaking or subsidiary or associate company of the listed entity during the last financial year 2 Date on which the agreement for sale has been entered into Not Applicable, since this is the case of voluntary strike-off and 3 The expected date of completion of sale/disposal consequent dissolution, 4 Consideration received from such sale/disposal effective June 22, 2026. 5 Brief details of buyers and whether any of the buyers belong to the promoter/promoter group/group companies. If yes, details thereof 6 Whether the transaction would fall within related party transactions? If yes, whether the same is done at “arm's length” 7 Whether the sale, lease or disposal of the undertaking is outside Scheme of Arrangement? If yes, details of the same including compliance with regulation 37A of LODR Regulations. Sincerely, Hindalco Industries Limited Geetika Anand Company Secretary and 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