Investor Presentation for the second quarter and half-year ended September 30, 2026

November 7, 2026 The General Manager The Manager Corporate Relations Department Listing Department BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza Dalal Street Bandra-Kurla Complex, Bandra (E) Mumbai – 400 001 Mumbai – 400 051 Scrip Code: 500770 Symbol: TATACHEM Dear Sirs, Sub: Submission of Analysts/Investors Presentation Ref: Letter dated October 28, 2026, informing about Analysts/Investors Call With reference to the aforesaid letter, please find enclosed the presentation to be made to Analysts/Investors on the Unaudited Consolidated and Audited Standalone Financial Results for the second quarter and half-year ended September 30, 2026, during the Analysts/Investors call to be held today i.e. Saturday, November 7, 2026. The presentation is being submitted in compliance with Regulation 30(6) read with Schedule III Part A Para A of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015. A copy of the presentation is also being made available on the Company's website: www.tatachemicals.com. You are requested to take the same on record. Thanking you, Yours faithfully, For Tata Chemicals Limited Jeraz E. Mahernosh Company Secretary (FCS 7008) Encl.: as above Chemistry of Sustainable Growth Investor Communication Quarter and Half Year Ended 30 September 2026 Safe Harbour Statement This Presentation, except for the historical information, may contain statements, including the words or phrases such as ‘expects, anticipates, intends, will, would, undertakes, aims, estimates, contemplates, seeks to, objective, goal, projects, should’ and similar expressions or variations of these expressions or negatives of these terms indicating future performance or results, financial or otherwise of Tata Chemicals Limited, its direct and indirect subsidiaries and its associates. Actual results might differ substantially or materially from those expressed or implied. Important factors that could make a difference to the Company’s operations include, among others, economic conditions affecting demand / supply, price conditions in the domestic and overseas markets in which the Company operates, changes in Government policies and regulations, tax laws, and other statutes and incidental factors. You are urged to view all statements contained herein with caution. Tata Chemicals Limited does not undertake any obligation to update or revise forward look statements, whether as a result of new information, future events or otherwise. Financial Highlights Quarter and Half Year Ended 30 September 2026 Performance Highlights Global cycle remains challenging in the near to medium term Q2FY27 | Consolidated (₹ Cr) H1FY27 | Consolidated (₹ Cr) • Persistent soda ash oversupply • Industrial end-markets remain weak and recovery is gradual Revenue Revenue ₹ 4,177 Cr (CQ) vs. ₹ 4,255 Cr (PQ) vs. ₹ 8,432 Cr (CY) vs. ₹ 7,596 Cr (PY) • US exports to Southeast Asia face unremunerative pricing ₹ 3,877 Cr (PY) • Energy, freight and logistics remain exposed to geopolitical disruption Segment Revenue Segment Revenue • Supply growth, soft demand and changing trade flows continue to limit pricing power LE: 1,191 (CQ) vs. 1,064 (PQ) vs. 1,072 (PY) LE: 2,255 (CY) vs. 1,922 (PY) IE: 2,262 (CQ) vs. 2,240 (PQ) vs. 2,150 (PY) IE: 4,502 (CY) vs. 4,137 (PY) Portfolio shift is underway FE: 858 (CQ) vs. 1,022 (PQ) vs. 861 Cr (PY) FE: 1,880 (CY) vs. 1,818 Cr (PY) • LIFE strategy would in the long run pivoted towards stable, non cyclical and application- led businesses EBITDA EBITDA Operational & Financial Highlights ₹ 381 Cr (CQ) vs. ₹ 555 Cr (PQ) vs. ₹ 537 ₹ 936 Cr (CY) vs. ₹ 1,186 Cr (PY) Cr (PY) • Sales Volumes Segment Results (EBIT) Segment Results (EBIT) ▪ Living Essentials (Salt & Bicarb): 569 Kts (CQ) vs. 543 Kts (PQ) vs. 506 Kts (PY) LE: 85 (CQ) vs. 188 (PQ) vs. 55 (PY) LE: 273 (CY) vs. 259 (PY) ▪ Industrial Essentials (Soda Ash): 851 Kts (CQ) vs. 885 Kts (PQ) vs. 850 Kts (PY) IE: (120) (CQ) vs. (70) (PQ) vs. 16 (PY) IE: (190) (CY) 147 (PY) FE: 94 (CQ) vs. 156 (PQ) vs. 128 (PY) FE: 250 (CY) vs. 250 (PY) • Higher revenue in CQ as compared to PY, driven by higher revenue in India, higher volume and lower realization in US and addition to revenue by Novabay acquisition PAT** PAT** • UK performance impacted by high input energy costs and logistics disruption due to ₹ (50) Cr (CQ) vs. ₹ 60 Cr (PQ) vs. ₹ 219 Cr ₹ 10 Cr (CY) vs. ₹ 535 Cr (PY) prolonged Middle East conflict (PY) • Kenya impacted by temporary suspension Net Debt (External)# • CQ PAT lower than PY mainly due to lower realization, higher input costs, fixed cost & depreciation, lower other income and JV income ₹ 6,127 Cr (Sep 26) vs.₹ 5,961 Cr (Mar 26) LE: Living Essentials; IE: Industrial Essentials; FE: Farm Essentials ** PAT is from continuing operations, before exceptional items, after share in JV & associates and before Non-Controlling interest (‘NCI’) # Excluding Lease of ₹ 840 Cr as on Sep 26 and ₹ 887 Cr as on Mar 26 CQ – Current Quarter (Q2FY27), CY – Current Half Year (H1FY27), PQ – Previous Quarter (Q1FY27), PY – Previous Year’s Quarter (Q2FY26)/ Previous Half Year (H1FY26) 4 Revenue and EBITDA Bridge For the quarter ended 30 September 2026 Revenue Bridge | ₹ Crore EBITDA Bridge | ₹ Crore 272 4,177 3,877 28 72 (129) (99) -29% Q2FY26 Volume & Mix Price Q2FY27 Q2FY26 Volume & Mix Price Fixed Cost Q2FY27 Higher revenue in CQ as compared to PY, driven by higher EBITDA lower than PY particularly due to lower realisations revenue in India, higher volume & lower realization in US particularly in US, increase in input & fixed cost, and and addition to revenue by Novabay acquisition temporary suspension of Kenya operations Sales and EBITDA Bridge For the half year ended 30 September 2026 Revenue Bridge | ₹ Crore EBITDA Bridge | ₹ Crore 502 8,432 7,596 1,186 (237) (205) -21% H1FY26 Volume & Mix Price H1FY27 H1FY26 Volume & Mix Price Fixed Cost H1FY27 Higher revenue in CY due to higher volumes in India, US Lower EBITDA due to lower realization and higher input and higher realisation in India & fixed cost, partially offset by higher volumes Price includes cost, forex and other Financial Snapshot Consolidated revenue higher as compared to PY, driven by higher volume in India and US and higher realisation in India. Higher input and fixed cost lead to lower consolidated EBITDA; standalone EBITDA, however, improved YoY For the Quarter Ended 30 September 2026 Consolidated | ₹ Crore Revenue EBITDA Profit Before Tax Profit After Tax 4,177 4,255 3,877 555 537 381 219 110 60 (6) (50) Q2FY27 Q1FY27 Q2FY26 Q2FY27 Q1FY27 Q2FY26 Q2FY27 Q1FY27 Q2FY26 Q2FY27 Q1FY27 Q2FY26 Standalone | ₹ Crore Revenue EBITDA Profit Before Tax Profit After Tax 1,303 1,281 1,204 364 392 343 240 212 152 122 178 Q2FY27 Q1FY27 Q2FY26 Q2FY27 Q1FY27 Q2FY26 Q2FY27 Q1FY27 Q2FY26 Q2FY27 Q1FY27 Q2FY26 PBT & PAT includes continuing operations, before exceptional items*, after share in JV & associates & before NCI * Exceptional items in Q2FY26 (consolidated) of ₹ 65 Cr due to closure of the Lostock operations Financial Snapshot Higher sales volumes in India and US, offset by lower realisation in US, temporary suspension of Kenya operations, and higher input & fixed costs leading to drop in EBITDA at consolidated level ; standalone EBITDA, however, improved YoY For the Half Year Ended 30 September 2026 Consolidated | ₹ Crore Revenue EBITDA Profit Before Tax Profit After Tax 8,432 7,596 1,186 661 535 H1FY27 H1FY26 H1FY27 H1FY26 H1FY27 H1FY26 H1FY27 H1FY26 Standalone | ₹ Crore Revenue EBITDA Profit Before Tax Profit After Tax 2,584 2,373 656 510 544 544 465 485 H1FY27 H1FY26 H1FY27 H1FY26 H1FY27 H1FY26 H1FY27 H1FY26 PBT & PAT are from continuing operations, before exceptional items*, after share in JV & associates & before NCI * Exceptional items in H1FY26 (consolidated) of ₹ 65 Cr due to closure of the Lostock operations Balance Sheet Consolidated Standalone ₹ Cr 30-Sep-26 31-Mar-26 30-Se [Showing first 8,000 characters — download PDF for full document]