Slide 1: 2026 Half Year Results
For Nature with Nature 2026 HALF YEAR RESULTS 8 SEPTEMBER 2026 2026 Half Year Results Presentation | 8 September 2026
Slide 2: Cautionary Statement and Disclaimer
Cautionary Statement and Disclaimer These slides have been prepared by Itaconix plc (the “Company”) solely for your information and for use as a presentation for the Company's own internal research and estimates based on the knowledge and experience of the Company's management the purpose of providi
Slide 3: Itaconix - John R Shaw, Chief Executive Officer
ITACONIX For Nature with Nature® JOHN R SHAW CHIEF EXECUTIVE OFFICER 2026 Half Year Results Presentation | 8 September 2026
Slide 4: Half Year 2026 Results Summary
For Nature with Nature® HALF YEAR 2026 RESULTS SUMMARY H1 2026 FINANCIAL PROGRESS H1 2026 OPERATIONAL PROGRESS ✓ Revenues up 72% at $8.3m (FY 25 ✓ Two new detergent customers; $10.5m) EMEA and North America ✓ Gross profit up 74% at $3.0m ✓ Higher customer re-order volumes ✓ Gross margin stable at 36
Slide 5: Itaconix: A Leading Innovator in Plant-Based Polymers
For Nature with Nature® ITACONIX A LEADING INNOVATOR IN PLANT-BASED POLYMERS Itaconic acid: Supply: Itaconix’s proprietary Our polymer ingredients are sold Is produced at Itaconix buys itaconic polymerisation worldwide to: large industrial acid as a raw material processes: Consumer brands and scale
Slide 6: Our Routes to Market North America and EMEA
For Nature with Nature® OUR ROUTES TO MARKET NORTH AMERICA AND EMEA Itaconix revenue streams Sale of Brands Performance Ingredients & Contract Manufacturers SPARX Formulated Solutions Desire for new or reformulated product Test ingredients & formulations for desired claims Sale of Performance Ingred
Slide 7: Itaconix Core Applications and Business Segments
For Nature with Nature® ITACONIX CORE APPLICATIONS AND BUSINESS SEGMENTS CORE COMMERCIAL APPLICATIONS TODAY APPLICATIONS IN DEVELOPMENT Scale Inhibition & Odour Neutralisation Paints Crops Water Absorption Itaconix® SPARX BioVail Super Performance Ingredients Formulated Solutions Building Blocks Soi
Slide 8: Our Growth Ambitions
For Nature with Nature® OUR GROWTH AMBITIONS • A strong H1 2026: +72% revenue growth and +74% gross profit growth • Confident in FY 2026: at least $14.8m revenue and a small positive EBITDA • Medium-term: reach $30m of revenue, from volume growth and converting near-term new customer opportunities i
Slide 9: H1 2026 Financials
H1 2026 FINANCIALS LAURA DENNER CHIEF FINANCIAL OFFICER 2026 Half Year Results Presentation | 8 September 2026
Slide 10: H1 2026 Strong Financial Performance
FINANCIAL REVIEW H1 2026 STRONG FINANCIAL PERFORMANCE H1 ended H1 ended 30 Change FY ended Strong revenue growth and 30 June 2026 June 2025 31 Dec 2025 YoY % EBITDA break-even $’000 $’000 $’000 Total Revenue 8,292 4,823 +72% 10,499 » Revenue growth of 72% 6,726 3,305 104% 7,638 Driven by Performance
Slide 11: Revenue Growth in All Geographies
FINANCIAL REVIEW REVENUE GROWTH IN ALL GEOGRAPHIES Revenue growth by region by half Strategy to diversify revenues: a more balanced geographic exposure $8.3m EMEA North America » 4th consecutive half of growth EMEA » Strong growth in both regions 48.8% • North America +29% $4.8M • EMEA +166% » EMEA
Slide 12: Sources of Growth H1 2026 Existing and New Customers
FINANCIAL REVIEW SOURCES OF GROWTH H1 2026 EXISTING AND NEW CUSTOMERS YoY $ revenue growth “Land and expand” strategy is delivering $8.3m » Revenues + 72% » Landed two new major accounts in 2026 • One in North America, one in EMEA • ~10 smaller new accounts $4.8m » Expanded accounts, achieving stron
Slide 13: Revenue Growth Through Customer Diversity
FINANCIAL REVIEW REVENUE GROWTH THROUGH CUSTOMER DIVERSITY H1 2026 Customer Diversity Increasingly diverse customer base as we Less than $.1m Accounts add new accounts » Two largest customers account for c.40% of $.5m to $.1m revenue, serving multiple brands Accounts >$1m Accounts » Adoption expandi
Slide 14: Break-Even Adjusted EBITDA Driven by Gross Profit Growth
FINANCIAL REVIEW BREAK-EVEN ADJUSTED EBITDA DRIVEN BY GROSS PROFIT GROWTH Operating leverage starting to come through $1.2m ($1.0m) » Gross profit up 74% at $3.0m; stable margin, consistent with FY 2025 » Administrative expenses up $1m supporting medium-term revenue ambition ($0.2m) $0.0m » Achieved
Slide 15: Investing in Our Business to Underpin Growth
FINANCIAL REVIEW INVESTING IN OUR BUSINESS TO UNDERPIN GROWTH H1 administrative expenses increased by $1.0m to $3.2m (+49%) » Total average headcount 33* vs 26 in H1 2025 » Investment in new product development and higher EU transportation costs to meet increasing demand » Will manage variable costs
Slide 16: Cash and Investments Used to Support Growth
FINANCIAL REVIEW CASH AND INVESTMENTS USED TO SUPPORT GROWTH » Capital spending for future growth $1.1m ($0.2m) • Investments in a new ERP system $5.1m $4.4m $-m ($0.2m) • Focused on production optimisation through plant improvements • Capitalised intangible assets in development for agriculture and
Slide 17: Developing an Attractive Specialty Ingredients Company
FINANCIAL REVIEW DEVELOPING AN ATTRACTIVE SPECIALTY INGREDIENTS COMPANY Strong H1 2026 financial performance “Land and expand” customers generating reoccurring revenue growth and new customers coming on stream in detergents Gross profit margin stable; first break-even EBITDA Investing in fut
Slide 18: Growth Path
GROWTH PATH 2026 Half Year Results Presentation | 8 September 2026
Slide 19: Our Growth Ambitions
GROWTH PATH OUR GROWTH AMBITIONS FY 2026 MEDIUM TERM LONGER TERM Confident in continued growth How we will reach $30 million Beyond $30 million revenue » At least $14.8 million » Continued growth from » Need progress with: revenue existing major customers • 1 global detergent brand • Emerging dishwa
Slide 20: Itaconix Ingredients Core Addressable Markets
GROWTH PATH ITACONIX INGREDIENTS CORE ADDRESSABLE MARKETS $30m Revenue Ambition $30m+ Revenue Ambition Major ingredients New ingredients We focus on the multifunctional advantages that our ingredients We are innovating to develop new polymers and applications to offer in cleaning applications, parti
Slide 21: Our Major Opportunity: Unit-Dose Dishwasher Detergents
GROWTH PATH OUR MAJOR OPPORTUNITY UNIT-DOSE DISHWASHER DETERGENTS Favourable market dynamics and trends Itaconix growth and opportunity Large and growing geographic markets Itaconix-based formulations have less than 4% market • EMEA and North America c.70 billion dishwasher cycles* p.a share in EMEA
Slide 22: Our Ingredients Deliver Phosphate-Free Shine in Dishes
GROWTH PATH OUR INGREDIENTS DELIVER PHOSPHATE-FREE SHINE IN DISHES Itaconix® TSI® Scale inhibition polymers enable premium shine performance in phosphate-free dishwasher detergents Filming index Regulations are tightening globally to ban the use of phosphates in detergents which are used to manage w
Slide 23: Our Ingredients Offer Low-Cost, Concentrated Detergents
GROWTH PATH OUR INGREDIENTS OFFER LOW-COST, CONCENTRATED DETERGENTS Water hardness causes spotting, filming and poor cleaning if a Dishwasher detergent ingredients used to prevent dishwasher detergent is not properly formulated with scale spotting and filming from water hardness inhibitors and chela
Slide 24: New Generation Dishwasher Detergent Capsules
GROWTH PATH NEW GENERATION DISHWASHER DETERGENT NEW CAPSULES Comparable cleaning performance to the US super premium market leader with 3.7 grams less per dose Soil removal index Itaconix led compact unit-dosing in North America with a 12.4- gram triple chamber solid/liquid and a 9-gram single chamb
Slide 25: Next Generation Compact Dishwasher Detergent Tablet
GROWTH PATH NEXT GENERATION COMPACT DISHWASHER DETERGENT TABLET Comparable cleaning performance to the US super premium market Leader with 7.7 grams less per dose Soil removal index New plastic-free 8-gram dishwasher detergent tablet pushes compact performance and sustainability to a new level Comme
Slide 26: Our Ingredients Deliver Fast Odour Control in Homecare
GROWTH PATH OUR INGREDIENTS DELIVER FAST ODOUR CONTROL IN HOMECARE Zinc Polyitaconate Excellent overall performance across major odour classes 100% Relative Odor Reduction (%) 80% Neutralises odours fast and permanently • Nitrogen based: urine, decomposing food 60% • Fatty acids: body odour, sweaty,
Slide 27: Next Generation Compact Laundry Detergent Tablets
GROWTH PATH NEXT GENERATION COMPACT LAUNDRY DETERGENT TABLETS Prototype Itaconix 8-gram detergent tablet performs at 1-2-3 dosing against new 23-gram unit dose by global laundry detergent leader Soil removal index 90 80 70 Plastic-free 8-gram laundry detergent tablet is under development and expecte
Slide 28: Products and Applications
PRODUCTS AND APPLICATIONS With New Revenue Potential 2026 Half Year Results Presentation | 8 September 2026
Slide 29: New Revenue Opportunity: New Class of Safer Paints
PRODUCT AND APPLICATION DEVELOPMENT NEW REVENUE OPPORTUNITY NEW CLASS OF SAFER PAINTS New class of paint distinct from acrylics with high appeal to consumers • Made with BIO*Asterix® binder from itaconate chemistries • Excellent product safety: no volatile organic compounds, low-toxicity pigments •
Slide 30: New Revenue Opportunity: Better Plant Nutrient Uptake
PRODUCT AND APPLICATION DEVELOPMENT NEW REVENUE OPPORTUNITY BETTER PLANT NUTRIENT UPTAKE Field trials on soybeans Polymers and micronutrients are widely used in agriculture to improve plant growth and increase crop yields BioVail® GRZ 200L is a multi-functional zinc polyitaconate that is expected to
Slide 31: Itaconix Outlook
ITACONIX OUTLOOK • A strong H1 2026: +72% revenue growth and +74% gross profit growth • Confident in FY 2026: at least $14.8m revenue and a small positive EBITDA • Medium-term: reach $30m of revenue, from volume growth and converting near-term opportunities in unit dose dishwash & laundry detergent
Slide 32: Science informs us that... Nature adapts
Science informs Nature adapts us that . . . Nature adapts and LifeLife finds finds a way a way
Slide 33: Appendices
Itaconix | September 2026 | 2026 Interim Results Presentation Appendices 2026 Half Year Results Presentation | 8 September 2026
Slide 34: Financials: Income Statement
Appendices FINANCIALS: INCOME STATEMENT For the half year ended For the half year For the year ended 30 June 2026 ended 30 June 2025 31 December 2025 $’000 $’000 $’000 Revenue 8,292 4,823 10,499 STABLE Cost of sales (5,341) (3,129) (6,857) gross profit margin Gross profit 2,951 1,694 3,642 Administr
Slide 35: Financials: Balance Sheet
Appendices FINANCIALS: BALANCE SHEET 30 June 2026 31 December 2025 $’000 $’000 Non-current assets 3,159 3,158 Intangible assets 311 237 Property, plant and equipment 1,099 1,067 LOW Right-of-use assets 1,749 1,854 CAPEX Current assets 9,946 9,799 Inventories 2,600 3,717 Trade and other receivables 2
Slide 36: Financials: Cashflow
Appendices FINANCIALS: CASHFLOW For the period ended For the period ended 30 June 2026 30 June 2025 $’000 $’000 Net cash inflow/(outflow) from operating activities 942 (377) NET Interest received 17 36 WORKING Change in investment in money market accounts (329) (120) capital Capitalisation of intang
Slide 37: Itaconix Product Table
Appendices ITACONIX PRODUCT TABLE Itaconix® Performance Ingredients Scale Inhibitors Itaconix® TSI® 422 Home, Industrial High plant-based; granulate for detergents and water treatment Itaconix® TSI® 322 Home, Industrial High plant-based; granulate for detergents and water treatment Itaconix® DSP
Slide 38: Itaconix For Nature with Nature
ITACONIX FOR NATURE WITH NATURE® ENABLNG INGREDIENTS LOW CAPITAL FOR KEY MARKET NEEDS INTENSITY HIGH-QUALITY BROAD PROPRIETARY REOCCURRING REVENUES TECHNOLOGY PLATFORM GROWTH PATH TO PROGRESS ON $30M AND BEYOND DECADES OF POTENTIAL 2026 Half Year Results Presentation | 8 September 2026 38
Slide 39: Board of Directors
Appendices BOARD OF DIRECTORS PETER J. NIEUWENHUIZEN JONATHAN BROOKS CHAIR INDEPENDENT NON-EXECUTIVE DIRECTOR ▪ Former CTO, Corporate Director RD&I ▪ Former Equity Capital Markets Partner, Fieldfisher LLP & Sustainability, AkzoNobel Specialty Chemicals ▪ Former Partner and Head of Capital Markets, M
Slide 40: Board of Directors
Appendices BOARD OF DIRECTORS JOHN R. SHAW LAURA E. DENNER DIRECTOR DIRECTOR ▪ 35+ years growing technology businesses ▪ Previously Director of Finance & Operations ▪ SmithKline Beecham, McKinsey, Corning, ▪ Former Audit Manager, Feeley & Driscoll Kensington Research ▪ Boston College, MS Account
Slide 41: Itaconix Corporation contact details
? Review (no change) Itaconix Corporation Email: Find Itaconix online: Stratham, New Hampshire, USA jshaw@itaconix.com Web: itaconix.com +1 (603) 775-4400 LinkedIn: @itaconix corporation X: @itaconixPLC Instagram: @itaconixPLC 2026 Half Year Results Presentation | 8 September 2026