Acquisition of equity stake in TSN Wires Co Ltd

August 6, 2025

London Stock Exchange 

London 

Dear Madam, Sirs,

Sub: Acquisition of equity stake in TSN Wires Company Limited

This has reference to our disclosure dated July 31, 2025 on the abovementioned subject.

This is to inform you that, The Siam Industrial Wire Company Limited ('SIW'), an indirect wholly owned foreign subsidiary of Tata Steel Limited ('Company') has today i.e. August 6, 2025, completed the acquisition of 40% stake in TSN Wires Company Limited ('TSN Wires') from Nichia Steel Works Ltd. Post this acquisition, TSN Wires has become an indirect wholly owned foreign subsidiary of the Company.

This disclosure is being made pursuant to Regulation 30, 51, Schedule III and other applicable provisions of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015.

This is for your information and records.