Slide 1: Powering the Future
Powering the Future Investor Presentation June 2025
Slide 2: Disclaimer: Forward-Looking Statements
DISCLAIMER Overview FORWARD-LOOKING STATEMENTS This presentation and the oral statements made in connection herewith (together, this “Presentation”) includes “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Ex
Slide 3: Amprius Technologies Inc. (NYSE: AMPX)
Amprius Technologies Inc. (NYSE: AMPX) Overview Amprius is a pioneer, developer and manufacturer of high- energy density and high-power density silicon anode lithium-ion batteries. Founded in 2008 Silicon Anode Design kWh Scale Customer Orders NYSE SiCore Platform Introduced & Fully Operational Fina
Slide 4: Breakthrough Technologies Deliver Breakthrough Performance
Breakthrough Technologies Deliver Breakthrough Performance Overview TECHNOLOGY Amprius Silicon Anode Technologies and Cell Chemistries PERFORMANCE High Energy Density: Up to 500 Wh/kg(1) and 1,300 Wh/L(1)(2) High Power Density: Up to 10C Fast Charge Rate Capability: 80% charge in <6 minutes (3) Safe
Slide 5: Amprius at a Glance
AMPRIUS AT A GLANCE Overview LEADING BATTERY PERFORMANCE MANUFACTURING SCALE STRONG PATENT POSITION > 1.8 GWh capacity 500 Wh/kg 80+ 1300 Wh/L Patents (1) OVER 280 CUSTOMERS SHIPPED TO 80% INTERNATIONAL SHIPMENTS CONSECUTIVE REVENUE GROWTH (1) As of March 31, 2025, 75 patents had been issued (35 in
Slide 6: Amprius in the News - 2025
AMPRIUS IN THE NEWS - 2025 Overview Breakthrough SiCore Cell for Ships New High-Performance 6.3Ah SiCore 450 Wh/kg High-Energy Electric Mobility Applications Cylindrical Cell to Fortune 500 Company Cell, with Near-Term Mass Production Capability FEB 25TH APR 23RD May 8TH JAN 14TH MAR 6TH APR 24TH Se
Slide 7: Graphite vs. Silicon
GRAPHITE VS. SILICON Technology Why Silicon? Silicon Has ~10x Capacity vs. Graphite Amprius Solved the #1 Problem ▪ Safe with Silicon ▪ Low Cost Actual Anode Capacity ▪ Abundantly Available ▪ Easy to Process ▪ 10X energy density than C 3,400 mAh/g But a silicon anode can swell up to 400% and cause t
Slide 8: Performance Advantages
PERFORMANCE ADVANTAGES Technology Amprius Batteries Deliver Twice the Mission Time Battery Cell Energy Density 24min FLIGHT TIME(3) GRAPHITE GRAVIMETRIC VOLUMETRIC AMPRIUS 42min 1,300 3h 6min TALK TIME(4) Wh/L 5h 40min 700 8h 12min MISSION TIME(5) Wh/L 17h 48min 500 260 Wh/kg Wh/kg 310 miles RANGE(6
Slide 9: Amprius Silicon Anode Structures
AMPRIUS SILICON ANODE STRUCTURES Technology Enable the Highest Energy and Power Batteries in Industry New Product Introduction January 2024 SiMaxxTM SiCoreTM 100% Silicon(1) without Up to 100% Silicon without Other Active Anode Material Other Active Anode Material (can be mixed with other active mat
Slide 10: SKUs Available Today Across Spectrum of High Performance
OVER 12 SKU’S AVAILABLE TODAY ACROSS SPECTRUM OF HIGH PERFORMANCE Technology High Energy & 550 Lightweight Needed for Long Flight Time SiMaxx 500 500 Specific Energy, Wh/kg SiMaxx 450 450 SiCore 450 SiCore 400 400 SiCore 370 SiCore 355 350 Long cycle life SiCore 315 High Power Needed for Take-off an
Slide 11: Incumbent Technology vs. Amprius Full Portfolio
INCUMBENT TECHNOLOGY VS. AMPRIUS FULL PORTFOLIO Technology Amprius' Battery Cells Today Outperform Graphite Batteries Graphite Anode Performance Metric Battery Cells(1) (2) Specific Energy (Wh/kg) ~215-285 320-500 Energy Density (Wh/L) ~530-715 805-1,300 Charging Time to 80% 30 minutes <6 minutes(3)
Slide 12: SiMaxx Silicon Anode Structure
SIMAXXTM SILICON ANODE STRUCTURE Technology Enabling Superior Energy Density for High-Performance Applications 100% Silicon Nanowires(1) Allow Volume Expansion without Binders, Graphite, or any Inactive Materials SILICON SURFACE Silicon Nanowires Conventional Graphite SILICON COATING Particles COATI
Slide 13: SiMaxx Leading Batteries
SIMAXXTM LEADING BATTERIES Technology High Energy Design 500 Wh/Kg 1300 Wh/L Max Discharge Rate: 1C continuous, 2C pulse Max Charge Rate: 1C Cycle Life: >200 cycles at 80% DOD Cycle Life: >150 cycles at 100% DOD Low Temp: 85% capacity retention at -20oC vs. 25 oC High Energy Design 450 Wh/Kg 1100 Wh
Slide 14: SiCore Silicon Anode Structure
SICORETM SILICON ANODE STRUCTURE Technology Properties BOTTOM-UP Unique Structure • 4-layer structure innovation Fast Ion Conductor ELASTIC Si-Nanostructure Interior Highly Conductive Carbon Layer Structure Structure Stabilization Layer • Highly isotropic, discontinuous structure Ultra-fine Silicon
Slide 15: SiCore Leading Batteries
SICORETM LEADING BATTERIES Technology High Power Design 370 Wh/Kg 910 Wh/L Max Discharge Rate: 10C continuous, 20C pulse (10 sec) Max Charge Rate: 10C, 80% SOC in 8 minutes Cycle Life: 200 cycles at 100% DOD, +1C/-3C Low Temp: 80% capacity retention at -20oC vs. 25 oC discharge High Energy Design Ba
Slide 16: Amprius Silicon Anode Battery Manufacturing
AMPRIUS SILICON ANODE BATTERY MANUFACTURING Production Amprius Utilizes Existing Commercial Manufacturing Equipment SIMAXXTM ANODE BATTERY ASSEMBLY SICORETM ANODE Mixing Coating Calendaring Slitting Stacking Formation BATTERY CATHODE SiMAXX ANODE TRADITIONAL BATTERY MANUFACTURING LINE MANUFACTURING
Slide 17: Secured High-Volume Manufacturing
SECURED HIGH-VOLUME MANUFACTURING Production U.S. PRODUCTION AND OVERSEAS CONTRACT MANUFACTURING PARTNERS Corporate HQ Contract manufacturing partner Partners under evaluation Up to 2 MWh capacity for SiMaxxTM in Fremont, CA. 1.8 GWh of capacity available today Completed design phase for GWh scale L
Slide 18: Target Markets – Aviation
TARGET MARKETS – AVIATION Applications Enabled by Amprius’ Batteries Today Markets Unmanned Aerial High Altitude Air Fixed-wing Systems (Drones) Pseudo Satellites Transportation Electric Aircraft Product Application Recon Drone Stratospheric Satellite eVTOL Small Passenger Plane Amprius Balanced Ene
Slide 19: Target Markets – Light Electric Vehicles
TARGET MARKETS – LIGHT ELECTRIC VEHICLES Applications Enabled by Amprius’ Batteries Today Markets E-Bikes Electric Scooters Electric Motorcycles Product Amprius Product High Energy Balanced Energy/Power High Power Performance 10 Ah, 350 Wh/kg at 1C 6.3 Ah, 315 Wh/kg at C/5 11 Ah, 345 Wh/kg at 1C Spe
Slide 20: Blue Chip Partners
Shipped to BLUE CHIP PARTNERS over 280 customers since Q1 Amprius Batteries Have Been Validated by Industry Leaders 2024 Markets Commercial shipments throughout 2024 and into 2025 Amprius has enabled Airbus to set world records for HAPS endurance and flight Current Amprius Strategic Investor Commerc
Slide 21: Expansion Plans to Move to Mainstream Applications
EXPANSION PLANS TO MOVE TO MAINSTREAM APPLICATIONS Uniquely Positioned for All Modes of Battery Powered Applications Markets Amprius batteries deliver breakthrough performance ▪ Safety ▪ Energy ▪ Power ▪ Temperature range ▪ Charging rate Amprius batteries enable battery powered markets ▪ AI ▪ Roboti
Slide 22: Conclusion
Conclusion Industry-leading technology, enabling best-in-class performance GWh scale manufacturing capabilities through a capital-light model 280+ engaged customers with volume, repeat orders from key accounts Healthy balance sheet with no debt 22
Slide 23: Contact Us
Contact Us Amprius Technologies 1180 Page Ave. Fremont, CA 94538 USA T: (800) 425-8803 Gateway Group T: (949) 574-3860 ir@amprius.com