Solid Power SPAC Presentation Deck

Solid Power Manufacturing Process Savings Eliminating formation cycling is crucial to the ASSB process Conditioning Pre-formation Eliminated Aging 29% Solid Power | DCRC Source: Argonne National Lab and Solid Power. Degassing 10% Filling Eliminated 5% 1% 17% Formation 11% 2% 5% 2% 2% 2% 1% Final storage 18% Removal of 80% of Conditioning steps ■ Receiving and shipping ■ Materials preparation ■ Electrode coating ■Calendering ■ Materials handling ■ Electrode slitting ■ Vacuum drying ■ Control laboratory ■ Cell assembly in dry room ■ Formation cycling and testing ▪ Module and pack assembly Rejected cell and scrap Conditioning Final storage Appendix Eliminates ~29% of capex in a typical GWh-scale Li-Ion production plant "The largest contributor to processing cost during battery production is the electrolyte interphase formation step... This process may take up to three weeks, requiring a tremendous number of cycles, floor space and intense energy for the cyclers and environmental chambers." Oak Ridge BatPac - Argonne National Lab ОАК RIDGE National Laboratory 50

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