General Updates

Ref: SEC/1061/2026-27 September 18, 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 Regulations 30 and 51 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 This is to inform you that SES ESG Research Private Limited (‘SES ESG’), a SEBI Registered ESG Rating provider, has yesterday i.e., on September 17, 2026, voluntarily assigned to Tata Steel Limited (‘Company’) an ESG score (Adjusted) of 68.3 (Grade B) in Metals and Mining Sector for 2026. Further, we wish to inform you that the Company has not engaged SES ESG to provide ESG rating services. The report has been prepared by SES ESG voluntarily and independently, based on publicly available data pertaining to FY2025-26 and other available information about the Company. This disclosure is being made in terms of Regulation 30 and Regulation 51 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended. This is for your information and records. Yours faithfully, Tata Steel Limited Parvatheesam Kanchinadham Company Secretary and Chief Legal Officer