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

Ref No. SEC/873/2026-27 August 20, 2026 The Secretary, Listing Department The Manager, Listing Department BSE Limited National Stock Exchange of India Ltd. 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: Newspaper Advertisement - Disclosure under Regulation 30 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 read with Schedule III part A para A of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we enclose herewith copies of the following newspaper advertisements published today i.e., August 20, 2026, regarding proposed issue of duplicate securities pursuant to the SEBI circular no. Circular No. HO/38/13/11(3)2025-MIRSD- POD/I/1102/2025, dated December 24, 2025, requiring the listed company to issue an advertisement regarding loss of securities: 1. Financial Express (All editions) The above information is also available on the website of the Company at www.tatasteel.com This is for your information and records. Yours faithfully, Tata Steel Limited Parvatheesam Kanchinadham Company Secretary and Chief Legal Officer Encl: As above