Response to media and news articles on Tata Chemicals Magadi Limited

September 4, 2026 The General Manager The Manager, Listing Department Corporate Relations Department National Stock Exchange of India Limited BSE Limited Exchange Plaza Phiroze Jeejeebhoy Towers Bandra-Kurla Complex Dalal Street Bandra (E) Mumbai 400 001 Mumbai 400 051 Scrip Code: 500770 Symbol: TATACHEM Dear Sirs, Sub: Response to media and news articles on Tata Chemicals Magadi Limited In response to the news item appearing in the print and electronic media with regards to Tata Chemicals Magadi Limited (TCML), the Company’s subsidiary in Kenya, please find the response of the Company as under. There are media reports of the statements made by His Excellency the President of Kenya. The Company acknowledges the official communication received, continues to be letter from the Ministry of Mining, Blue Economy and Maritime Affairs (Ministry) dated July 28, 2026. We wish to reiterate, that on August 11, 2026, Tata Chemicals Magadi Limited (TCML) submitted all the required information, reports and documentation and TCML is fully compliant with the regulatory requirements. TCML having provided a comprehensive response to the matters raised by the Ministry, including information regarding its compliance with applicable regulatory requirements, awaits the Ministry’s review of our submissions and its further direction. Since 2005, when Tata Chemicals Limited acquired the Magadi plant, it has played an important role in the Kenyan economy and continues to be an integral part of our business. We respect the authority of the Government of Kenya and remain committed to constructive engagement through the appropriate legal and regulatory channels to resolve the outstanding matters. Our priority continues to be the well-being of our employees, the Magadi community, our stakeholders in Kenya and continued economic development of Kenya. We request you to kindly take the above information on record. Yours faithfully, For Tata Chemicals Limited Jeraz E. Mahernosh Company Secretary (FCS 7008)