Please find enclosed link to the audio recording of the Analysts/ Investor Call for the quarter ended June 30, 2026

July 27, 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 Symbol: TATACHEM Dear Sirs, Sub: Audio Recording of Analysts/Investors Call pertaining to the Financial Results for the quarter ended June 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 quarter ended June 30, 2026, held today i.e. Monday, July 27, 2026. The Results were approved by the Board at its Meeting held on the same day. Link: https://www.tatachemicals.com/pdfs/Q1FY27Investor-call-Audio-recording.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)