Disclosure under Regulation 30 and 51 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015

Ref.: SEC/895/2026-27 August 25, 2026 The Secretary, Listing Department The Manager, Listing Department BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor, Plot No. C/1, Dalal Street, G Block, Bandra-Kurla Complex, Bandra (E), Mumbai - 400 001. Mumbai - 400 051. Maharashtra, India. Maharashtra, India. Scrip Code: 500470 Symbol: TATASTEEL Dear Madam, Sirs, Sub: Disclosure under Regulation 30 and 51 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 This has reference to our disclosure dated April 4, 2026 and April 24, 2026 on the aforementioned subject. Background: On April 3, 2026, Tata Steel Limited (‘Company’) received a Demand Notice dated March 30, 2026, issued by the District Mining Office, Ramgarh, Jharkhand (‘DMO’) demanding an aggregate amount of ₹1755,10,54,029/-.The demand has been made alleging excess extraction of approximately 1,62,40,399 MT of mineral coal from the Company’s West Bokaro Colliery beyond the permissible limits during the period FY 2000‑01 to FY 2006‑07. The demand notice was issued by the DMO based on grounds similar to those noted by the Hon’ble Supreme Court in the case of ‘Common Cause vs. Union of India’ (WPC No. 114 of 2014). The Company was of the view that the demand lacks justification and substantive basis and had merit to challenge the demand. Accordingly, on April 24, 2026, the Company had filed a Revision Application bearing No. 101 of 2026 before the Hon’ble Revisional Authority, Ministry of Coal, Government of India, New Delhi, challenging the Demand Notice issued by the DMO, Ramgarh. The respondents to this matter were the State of Jharkhand through its Secretary, Department of Mines and Geology and the District Mining Officer, Ramgarh, Jharkhand. Present Status: The Hon’ble Revisional Authority heard the Revision Application bearing No. 101 of 2026 on August 20, 2026. On August 24, 2026, the Company received the copy of the Order passed by the Hon’ble Revisional Authority. The Company hereby informs that the Hon’ble Revisional Authority has inter alia, passed the following directions – i. The Revision Application filed by Tata Steel Limited (‘Applicant’) has been admitted for consideration; ii. The respondents are directed not to take any coercive steps against the Applicant pursuant to the impugned demand notices/letters, during the pendency of the present Revision Application. This disclosure is being made by the Company in compliance with Regulations 30 read with 51 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015. This is for your information and records. Thanking you. Yours faithfully, Tata Steel Limited Parvatheesam Kanchinadham Company Secretary and Chief Legal Officer