Solid Power SPAC Presentation Deck

Compelling Market Opportunity Superior Energy Density is Central to the Pursuit of All-Solid-State WH/L 1600 1400 1200 1000 800 600 400 200 0 Technologies on Solid Power product roadmap 100 Projected Tesla 4860 cells NCA90 NMC (811) 200 Li-Ion T 300 NMC (811) ASSB: Li Metal + Next Gen Cathode LINI0.5Mn1.504 400 ASSB: Li Metal LINIPO4 NMC (811) NCA90 NMC (622) 500 Performance Improvement Ultra-low cost 600 WH/Kg Source: Bloomberg NEF and Solid Power. Note: The NMC (811) references in the graphic are for two different cell formats. The slightly lower volumetric energy density is for a pouch format and the slightly higher for a prismatic format (presumably stacked). NCA90 is in a cylindrical cell. All are based on real world energy densities. All comparisons in light blue are for prismatic cells. Solid Power cell performance metrics are initial commercialization design targets. 1 High-Content Silicon. 2 Lithium Metal. 3 Next Gen Cathode. Solid Power | DCRC 700 16

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