Tata Steel Limited has completed a substantial equity acquisition in its wholly owned foreign subsidiary, T Steel Holdings Pte. Ltd (TSHP), investing USD 180 million on March 24, 2026. This strategic move represents the latest development in the company's ongoing investment program in its Singapore-based subsidiary, as disclosed through official regulatory filing SEC/2145/2025-26.

Transaction Details

The acquisition involved the purchase of 178,57,14,286 equity shares at a face value of USD 0.1008 each. The total transaction value of USD 180 million translates to approximately ₹1,680.27 crore, calculated using the Reserve Bank of India's exchange rate of ₹93.3483 per USD as published on March 20, 2026.

Ongoing Investment Series

This acquisition forms part of a comprehensive fund infusion program that Tata Steel has been executing since May 2025. The company has made multiple disclosures regarding equity subscriptions in TSHP throughout the investment period:

• May 12, 2025: Initial disclosure
• June 25, 2025: Subsequent investment update
• July 10, 2025: Continued fund infusion
• August 26, 2025: Additional equity subscription
• September 24, 2025: Further investment disclosure
• October 29, 2025: Ongoing fund injection
• December 19, 2025: Year-end investment update
• February 2, 2026: Early year disclosure
• February 26, 2026: Pre-acquisition update
• March 24, 2026: Current acquisition completion

Regulatory Compliance and Documentation

The transaction was formally communicated to both BSE Limited and National Stock Exchange of India Limited through official correspondence signed by Parvatheesam Kanchinadham, Company Secretary and Chief Legal Officer. The disclosure maintains complete transparency with stakeholders and ensures adherence to listing obligations.

Subsidiary Status and Strategic Impact

Following this latest acquisition, T Steel Holdings Pte. Ltd will continue to operate as a wholly owned foreign subsidiary of Tata Steel Limited. The transaction maintains the existing ownership structure while strengthening the subsidiary's capital base for future operations and strategic initiatives.

The disclosure has been made in full compliance with regulatory requirements under Regulation 30 and 51, read with Schedule III of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended.

Tata Steel has issued an official regulatory clarification to BSE Limited regarding its strategic partnership with Hindustan Zinc Limited, formally confirming the integration of 'EcoZen', a low-carbon zinc solution, into its galvanised steel manufacturing processes. The clarification was provided through an official communication dated March 24, 2026, in response to BSE's inquiry regarding media reports about the partnership.

Official Regulatory Communication

In its formal response to BSE's inquiry dated March 23, 2026, Tata Steel confirmed through official documentation that the partnership involves integrating EcoZen, Hindustan Zinc's low-carbon zinc solution, specifically into galvanised steel manufacturing operations. The company's communication, signed by Company Secretary and Chief Legal Officer Parvatheesam Kanchinadham, emphasized that this strategic collaboration was entered into during the normal course of business.

Partnership Framework and Compliance

Tata Steel clarified that this partnership arrangement does not qualify for disclosure under Regulation 30 read with Schedule III of the SEBI (Listing Obligation and Disclosure Requirements) Regulations, 2015. The company stated in its official communication that it maintains robust processes to comply with disclosure obligations and remains committed to making accurate and adequate disclosures as required by regulations.

Strategic Business Operations

The company highlighted in its official response that it regularly enters various strategic, commercial, and operational partnership arrangements and collaborations to further its business objectives. These partnerships are conducted within the framework of the company's Policy on Determination of Materiality for Disclosure, ensuring appropriate regulatory compliance under Regulations 30 and 51 of the SEBI Listing Regulations.

Sustainability and Low-Carbon Steel Manufacturing

The EcoZen integration represents Tata Steel's continued commitment to incorporating environmentally responsible materials in its manufacturing processes, aligning with the company's sustainability goals and low-carbon steel-making ambitions. This partnership specifically targets galvanised steel production, demonstrating the company's focused approach to reducing carbon emissions in specific product segments while maintaining operational efficiency.