Please find enclosed the Earnings Presentation for the second quarter and half year ended September 30, 2026

November 5, 2026 BSE Limited National Stock Exchange of India Limited The Corporate Relationship Dept. Exchange Plaza, C-1, Block- G, P.J. Towers, Dalal Street Bandra Kurla Complex, Bandra (East), Mumbai-400 001 Mumbai-400 051 Scrip Code: 500214 Symbol: IONEXCHANG Sub.: Submission of Earnings Presentation – Q2 FY 2026-27 Dear Sir/ Madam, Pursuant to Regulation 30 read with Para A of Part A of Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find enclosed herewith the presentation being made to the Investors and Analysts (Group Meet) to discuss the financial performance of the Company for the second quarter and half year ended September 30, 2026. The aforesaid information is also available on the website of the Company and can be accessed at www.ionexchangeglobal.com. Kindly take the information on record. Thanking You, Yours faithfully, For Ion Exchange (India) Limited Nikisha Solanki Company Secretary & Compliance Officer ACS- 50894 Encl.: As stated above Earnings Presentation Q2/H1-FY27 Company Snapshot OPERATIONS IN 62 + 50 + ° TOTAL WATER & YEARS OF ENVIRONMENT MANAGEMENT EXPERTISE COUNTRIES SERVING ONE OF ASIA’S EXPORTS INDUSTRIES, WORLD CLASS LARGEST SERVICE ACROSS INSTITUTIONS, MANUFACTURING NETWORKS CONTINENTS HOMES & FACILITIES COMMUNITIES GLOBAL ASSEMBLY HUBS IN ADVANCED R&D COMMITTED TO UAE, SAUDI ARABIA, SOUTH CENTRES IN INDIA SUSTAINABILITY AFRICA, INDONESIA & BANGLADESH 200,000 + 3,000 + INSTALLATIONS WORLD-WIDE CORE INDUSTRY PROJECTS Total Water & Environment Management Solutions Management of Specialty Resins / Adsorbents / Industrial Wastewater Treatment Process Water Membranes / Chemicals / Enzymes for Recycle & Zero Liquid Discharge Purification & Concentration Drinking Water Treatment Process Water Treatment – Sewage Treatment, Ion Exchange Tertiary Sewage & Membrane Recycle, Sludge Based Management Pretreatment Capabilities Leaders in Resins, Membranes & Chemicals, with a Unique End-to-End Portfolio Spanning Solutions, Digital & Services RESINS MEMBRANES CHEMICALS SOLUTIONS SERVICES DIGITAL 1 2 3 4 5 6 7 8 SOURCE WATER & PROCESS WATER HIGH PURITY ULTRA PURE INDUSTRIAL WASTEWATER ZERO LIQUID MUNICIPAL & SEWAGE DRINKING PRETREATMENT TREATMENT WATER WATER TREATMENT DISCHARGE TREATMENT WATER SOLUTIONS Global Presence COUNTRIES SERVED INTERNATIONAL REVENUE SHARE GLOBAL MANUFACTURING FACILITIES & ASSEMBLY CENTRES 200,000+ GLOBAL INSTALLATIONS Our Global Offices Global Manufacturing Facilities Ankleshwar, Gujarat Roha, Maharashtra Verna, Goa Resins Manufacturing - Exports Non-Solvent Resins Centre of Membrane Excellence Patancheru, Telangana Saudi Arabia Portugal Chemicals Manufacturing Chemical Blending Facility MAPRIL, Manufacturing Facility Global Manufacturing Facilities Hosur, Tamil Nadu Verna, Goa Wada, Maharashtra Palaspe, Maharashtra Standard Systems Assembly Standard Membrane Systems Standard Systems Assembly Large System Assembly UAE South Africa Indonesia Bangladesh Assembly Unit, ICV Certified Facility Manufacturing Facility Assembly and Testing Center Fabrication Unit & Assembly Centre Current vs New Reporting Segments Ion Exchange (India) Ltd. Current Reporting Engineering Chemicals Consumer Products New Reporting Institutional Treatment Industrial Lifecycle Specialty Consumer Solutions Products Services Chemicals Products New Reporting Segments TREATMENT INDUSTRIAL LIFECYCLE SPECIALTY CONSUMER SOLUTIONS PRODUCTS SERVICES CHEMICALS PRODUCTS 1 2 3 4 5 ▪ Water Treatment ▪ Standard Water ▪ Operations & ▪ Water Treatment ▪ Home Water Solutions Treatment Solutions Maintenance (O&M) Chemicals ▪ Ultra Pure Water ▪ Community Water ▪ Membranes (RO, UF, ▪ Rehabilitation & ▪ Utility Chemicals Treatment Solutions ▪ High Purity Water NF, MBR) Modification ▪ Process Chemicals ▪ Wellness ▪ Desalination ▪ Institutional Water ▪ Spares, Services & ▪ Membrane Chemicals ▪ Hydrogen Water ▪ Wastewater Treatment Treatment Products Consumables ▪ Polymers & Recycle ▪ Alkaline Water ▪ BOO/BOOT/WaaS ▪ Resins ▪ Zero Liquid Discharge ▪ Rentals ▪ Industrial (ZLD) ▪ Audits ▪ Process ▪ PFAS ▪ Pharma ▪ Remote Monitoring Financial Overview Q2/H1-FY27 Q2-FY27 Financial Highlights Q2-FY27 Performance (Standalone) Q2-FY27 Performance (Consolidated) (12.57) % (12.55) % INR (848) Mn INR 6,157 Mn INR (773) Mn INR 6,747 Mn Operating EBITDA Operating EBITDA Operating EBITDA Operating Income Operating EBITDA Operating Income Margins Margins INR (5.804)/ INR (6.837)/ INR (714) Mn (11.60) % INR (828) Mn (12.27) % Share Share Net Profit PAT Margins Net Profit PAT Margins Diluted EPS Diluted EPS Order Book and Pipeline (As on 30 September, 2026) for Treatment Solutions, Industrial Products & Lifecycle Services Engineering projects^ Outstanding Sri Lanka Outstanding UP SWSM Total Orderbook Bid Pipeline ~ INR 26,960 Mn ~ INR 100 Mn ~ INR 2,630 Mn ~ INR 29,690 Mn ~ INR 93,700 Mn ^Excluding Sri Lanka Order and UP SWSM. H1-FY27 Financial Highlights H1-FY27 Performance (Standalone) H1-FY27 Performance (Consolidated) (3.73) % (3.85) % INR (530) Mn INR 12,513 Mn INR (467) Mn INR 13,752 Mn Operating EBITDA Operating EBITDA Operating EBITDA Operating Income Operating EBITDA Operating Income Margins Margins INR (4.877) / INR (6.490) / INR (600) Mn (4.80) % INR (797) Mn (5.80)% Share Share Net Profit PAT Margins Net Profit PAT Margins Diluted EPS Diluted EPS Quarterly/Half Yearly Segmental Breakup Treatment Solutions Standalone Consolidated 2,901 INR Mn 2,958 1,430 1,498 (122) (1,139) (1,215) Q2-FY26 Revenue EBIT Q2-FY27 Q2-FY26 Revenue EBIT Q2-FY27 4,797 INR Mn 4,633 3,597 3,440 (1,389) Revenue EBIT (1,321) H1-FY26 H1-FY27 H1-FY26 H1-FY27 Revenue EBIT Quarterly/Half Yearly Segmental Breakup Industrial Products Standalone Consolidated 1,360 INR Mn 1,342 1,009 74 86 102 111 Q2-FY26 Q2-FY27 Revenue EBIT Q2-FY26 Q2-FY27 Revenue EBIT INR Mn 2,397 2,411 1,858 1,931 148 210 H1-FY26 H1-FY27 H1-FY26 H1-FY27 Revenue EBIT Revenue EBIT Quarterly/Half Yearly Segmental Breakup Lifecycle Services Standalone Consolidated INR Mn 659 611 770 Revenue EBIT Q2-FY26 Q2-FY27 Q2-FY26 Q2-FY27 Revenue EBIT INR Mn 1,197 1,329 1,422 1,127 71 130 H1-FY26 H1-FY27 H1-FY26 H1-FY27 Revenue EBIT Revenue EBIT Quarterly/Half Yearly Segmental Breakup Specialty Chemicals Standalone Consolidated 2,546 INR Mn 2,138 2,181 1,827 537 629 233 225 Q2-FY26 Q2-FY27 Q2-FY26 Q2-FY27 Revenue EBIT Revenue EBIT 3,999 4,843 INR Mn 3,297 4,070 1,091 H1-FY26 H1-FY27 H1-FY26 H1-FY27 Revenue EBIT Revenue EBIT Quarterly/Half Yearly Segmental Breakup Consumer Products Standalone Consolidated INR Mn 1,005 1,005 (24) (43) (23) (41) Q2-FY26 Q2-FY27 Q2-FY26 Q2-FY27 Revenue EBIT Revenue EBIT 2,129 2,129 INR Mn 1,613 1,613 (29) (47) (27) (45) H1-FY26 H1-FY27 H1-FY26 H1-FY27 Revenue EBIT Revenue EBIT Q2/H1-FY27 Operational Highlights Treatment Solutions: ▪ Change in the estimated cost to complete a few legacy projects in the Treatment Solutions segment has significantly impacted the Company financials for this quarter. ▪ Turnover for Treatment solutions was impacted by the execution of certain high-value contracts being scheduled for H2. Dispatches to GCC markets were delayed due to the ongoing Middle East crisis. Industrial Products: ▪ Industrial Products delivered strong growth during the quarter, recording an increase of approximately 35% YoY. Lifecycle Services: ▪ Lifecycle services recorded sequential growth during the quarter, while maintaining stable margins. Specialty Chemicals: ▪ Specialty Chemicals recorded sequential and YoY improvement in turnover during the quarter. ▪ Margins remained under pressure due to input cost inflation arising from the West Asia crisis and costs associated with the Roha facility. ▪ Improved cost pass-through to customers is expected to support margin recovery in the coming months. Consumer Products: ▪ Consumer Products segment continued to deliver strong volume growth during the quarter. Other Updates: ▪ Our Advanced Digital solutions o [Showing first 8,000 characters — download PDF for full document]