Solid Power SPAC Presentation Deck

High-Content Silicon Cell Energy Density: >1000 Wh / L Path to 100 Ah Si-NMC Pouch Cell with up to 420 Wh / kg & 1020 Wh/L (in charged state) Cell Specific Energy (Wh/kg) Cell Specific Energy (Wh/kg) 450 400 350 300 250 450 400 350 300 250 10 3 Reduced Electrolyte-Separator Thickness Target Solid Power | DCRC+ 20 30 Separator Thickness (microns) Increased Capacity Per Area Today Today 4 Target 5 Areal Loading (mAh /cm²) 6 1100 7 1000 900 800 700 600 40 1100 1000 900 800 700 600 (Wh/L) Cell Energy Density (Wh/L) Cell Energy Density Cell Specific Energy (Wh/kg) Cell Specific Energy (Wh /kg) 450 400 350 300 250 450 400 350 120 300 250 1200 Increased Cathode Layer Specific Capacity Today Target Today 140 160 Cathode Layer Specific Capacity (mAh / g) Increased Anode Layer Specific Capacity Target Supplemental Technical Data 2200 1700 Anode Layer Specific Capacity (mAh/g) 180 1100 1000 900 800 700 600 1100 1000 900 800 700 600 2700 (Wh/L) Cell Energy Density (Wh/L) Cell Energy Density 54

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