Slide 1: Maximising high silicon anode performance
For personal use only Maximising high silicon anode performance AABC US – Las Vegas 11th December 2025 Manuel Wieser – CTO COMMERCIAL-IN-CONFIDENCE manuel.wieser@anteotech.com This document is the property of AnteoTech Ltd and shall not be communicated to third parties and/or reproduced without prio
Slide 2: Disclaimer
Disclaimer IMPORTANT INFORMATION For personal use only The purpose of the presentation is to provide an update of the business of AnteoTech Ltd (ASX:ADO) (AnteoTech). These slides have been prepared as a presentation aid only and the information they contain may require further explanation and/or cl
Slide 3: Product portfolio in silicon enabling technologies
Product portfolio in silicon enabling technologies For personal use only Publicly listed company (ASX:ADO) Established • Chemical and materials business, manufacturing and scaling binding/cross- and growing linking reagents into Life Science (Diagnostics) and Batteries business • Headquartered in Br
Slide 4: Leading in High Silicon Anode Technology
ADVANCED BATTERY TECHNOLOGIES Leading in High Silicon Anode Technology For personal use only ADDITIVE ULTRA HIGH "CROSS LINKER" SILICON ANODE – DROP IN TECHNOLOGY CHEMICAL FORMULATION 11 December 2025 ©AnteoTech Limited – AABC US, Las Vegas 4
Slide 5: Technology Platforms & Commercial Engagement Frameworks
ADVANCED BATTERY TECHNOLOGIES Technology Platforms & Commercial Engagement Frameworks Combining AnteoTech’s silicon-enabling products and anode design know-how we create pathways to smaller, lighter and cheaper LiBs for our customers For personal use only BINDER ULTRA HIGH ADDITIVE SILICON ANODE "CR
Slide 6: Partnerships and Customer Relationships currently in progress
ADVANCED BATTERY TECHNOLOGIES Partnerships and Customer Relationships currently in progress Our partnerships span the value chain from advanced materials to application OEMs For personal use only 3C Battery Manufacturer Automotive OEM Global Speciality Chemical Company Defence battery manufacturer S
Slide 7: Anteo X – A "Cross-Linking" Chemical Additive
ANTEO X - Crosslinking technology Anteo X – A “Cross-Linking” Chemical Additive Supports sustained anode performance by providing structural integrity Sustainable and Versatile For personal use only • Water-based and PFAS-free • Compatible with a wide range of binders • Easily integrated into existi
Slide 8: Supporting Services in silicon anode formulation development
ANTEO X - Crosslinking technology Supporting Services in silicon anode formulation development Deep experience and capabilities in silicon anode development and designs Optimising the inactive material fraction matters For personal use only • Performance improvements and cost advantages • Ever-growi
Slide 9: Formulation Screening – 600mAh/g with Si/C and Gr
ANTEO X - Crosslinking technology Step 1 - Formulation Screening – 600mAh/g with Si/C and Gr Potential cost savings by optimising the inactive material fraction of the anode Cathode: NMC532 – 3.6 mAh/cm2 Testing protocol: 1C CCCV & 1C CC @ 25˚C Capacity retention excl. formation (%) Electrolyte: 1M
Slide 10: Single-layer or Multi-layer Pouch Cells
ANTEO X - Crosslinking technology Step 2 – Single-layer or Multi-layer Pouch Cells 110 100 Capacity Retention (%) excl. Formation Lab-scale produced electrodes vs. R2R 90 80 For personal use only coated electrodes 70 60 • Full coin cells produced from A4 hand sheet 50 coatings almost perfectly match
Slide 11: Anteo S cross links binder polymers in ceramic coated separators
ANTEO S – Separator technology Anteo S cross links binder polymers used in ceramic coated separator (CCS) coatings For personal use only Improves ceramic coated separator stability by keeping dimensional stability of separator for longer and/or at higher temperatures Forms a cross-linked particle-po
Slide 12: Anteo S performance verified by third-party manufacturer
ANTEO S – Separator technology Anteo S performance has been verified by a third-party ceramic coating material manufacturer Impact on slurry rheology Thermal stability test For personal use only No significant change on slurry rheology observed upon Anteo S : Improved thermal stability of separator
Slide 13: Ultranode – Concept
Ultranode - High Silicon Anode Technology Ultranode – Concept Ultranode (w/o prelithiation) Delivers specific coating capacities of in between 600mAh/g to 2,000mAh/g For personal use only ANODE THICKNESS – GRAPHITE ANODE ULTRANODE • 70-95% silicon active material • Crude micron-sized elemental silic
Slide 14: Our Competitive Advantage in Silicon Anode Technology
Ultranode - High Silicon Anode Technology Our Competitive Advantage in Silicon Anode Technology Up to 95% silicon delivers high energy and high performance Specific anode coating capacities that deliver up to 2,400 mAh/g For personal use only Highly customizable Ultranode design can be heavily custo
Slide 15: Ultranode is Highly Customisable by Application
Ultranode Technology Ultranode is Highly Customisable by Application Ultranode 95 Ultranode 70 Ultranode X For personal use only Target • Highest energy with lower cycle- • Balanced energy density with • Maximised cycle life for high- Applications life requirements targeting cycle life targeting ene
Slide 16: Ultranode vs NMC532
Ultranode Technology Ultranode 95 vs NMC532 Delivers specific coating capacities of in between 1,800 to 2,400 mAh/g Ultranode 95 vs NMC532 – Capacity retention Cathode: NMC532 – 3.6 mAh/cm2 120 Testing protocol: 1C CCCV & 1C CC @ 25˚C For personal use only Electrolyte: 1M LiPF6 + FEC Capacity retent
Slide 17: Ultranode vs NMC811
Ultranode Technology Ultranode 95 vs NMC811 Delivers specific coating capacities of >1,700 mAh/g @ 1C Cathode: NMC811 – 3.7 mAh/cm2 Testing protocol: 1C CCCV & 1C CC @ 25˚C Ultranode 95 vs NMC811 – Capacity retention Electrolyte: 1M LiPF6 + FEC 110 For personal use only 100 Capacity retention (%) ex
Slide 18: Ultranode - Potential for superior Wh/kg
Ultranode Technology Ultranode 95 - Potential for superior Wh/kg Unit stack level analysis based on tested cells Unit stack – Ultranode 95 vs NMC 811 Unit stack (single layer cell) For personal use only Considers: 1 anode, 1 cathode, 1 separator, Cu/Al current collectors and electrolyte 450 397 Unit
Slide 19: Ultranode X achieves >1,000 cycles at 80% capacity retention
Ultranode Technology Ultranode X achieves >1,000 cycles at 80% capacity retention Further improvements target 1,500 cycles at 80% Cathode: NMC532 – 3.6 mAh/cm2 Testing protocol: 1C CCCV & 1C CC at 25˚C Ultranode X vs NMC532 – 1C/1C cycling performance Electrolyte: 1M LiPF6 + FEC For personal use onl
Slide 20: Ultranode Technology Roadmap
Ultranode Technology Ultranode Technology Roadmap Different pathways for different applications to meet customer requirements 1. Customer 2. Formulation 3. Cell prototyping 4. Progressing commercial For personal use only evaluations scale-up (internal) engagement In progress In progress In progress
Slide 21: Our Products, Technologies and What we can Deliver
Our Products, Technologies and What we can Deliver Leading in silicon anode technology S For personal use only • Anteo X cross-linking additive that can improve silicon anode performance • Anteo S additive for ceramic coated separators improving cost and safety • “Jump start” Implementation support
Slide 22: Thank You
THANK YOU For personal use only Contact us for samples or partnership opportunities! Manuel Wieser Chief Technology Officer manuel.wieser@anteotech.com +61 428 274 959 anteotech.com COMMERCIAL-IN-CONFIDENCE This document is the property of AnteoTech Ltd and shall not be communicated to third parties