Please find enclosed Clarification on News Item

September 29, 2026 BSE Surveillance BSE Limited Phiroze Jeejeebhoy Towers Dalal Street Mumbai – 400 001 Scrip Code: 500770 Dear Sirs, Subject: Clarification on news item We refer to your e-mail dated September 29, 2026, bearing reference no. L/SURV/ONL/RV/APJ/(2026- 2027)/98, for seeking clarification on the news item appearing on www.moneycontrol.com captioned “Tata Chemicals, TMPV shares fall up to 3% after Trusts' proposal dims Tata Sons' listing hopes”, please find below our responses ad seriatim to the queries raised by you: 1. Whether such negotiations were taking place? If so, you are advised to provide the said information along with the sequence of events in chronological order from the start of negotiations till date. Response: Tata Chemicals Limited (the Company) has no knowledge of any negotiations. 2. Whether you/company are aware of any information that has not been announced to the Exchanges which could explain the aforesaid movement in the trading? Response: The Company is not aware of any such information that has not been communicated to the Exchanges which could explain the aforesaid movement in trading. 3. In case of regulatory/legal proceedings please provide the information on initiation / outcome of the proceedings. Response: The Company is not aware of initiation of any regulatory or legal proceedings. 4. Also, you are advised to provide the reasons for not disclosing the above-mentioned information to the Exchange as required under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015. Response: In line with the previous responses as mentioned above, the same is not applicable. 5. In case you/company are denying or are unaware of the abovementioned news item and its source, you are advised to state categorically that the abovementioned news item published in www.moneycontrol.com dated 29th September, 2026 is factually incorrect. Response: Since, the Company is not aware of any negotiations as referred to in the news article, it is therefore not possible to offer any comment. We request you to kindly take the above response on record. Thanking you, Yours faithfully, For Tata Chemicals Limited Jeraz E. Mahernosh Company Secretary (FCS 7008)