Analysts/Institutional Investor Meet/Con. Call Updates

November 7, 2026 The General Manager The Manager, Listing Department Corporate Relations Department The 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 S ymbol: TATACHEM Dear Sirs, Sub: Audio Recording of Analysts/Investors Call pertaining to the Financial Results for the second quarter and half-year ended September 30, 2026 Please find below the link to the audio recording of the Analysts/Investors Call on the Unaudited Consolidated and Audited Standalone Financial Results of the Company for the second quarter and half-year ended September 30, 2026, held today i.e. Saturday, November 7, 2026. The Results were approved by the Board at its Meeting held on the same day. Link:https://www.tatachemicals.com/tata/sites/default/files/2026-11/q2fy27-earnings-call-audio- transcript_0.mp3 You are requested to take the same on record. Thanking you, Yours faithfully, For Tata Chemicals Limited Jeraz E. Mahernosh Company Secretary (FCS 7008)