Solid Power SPAC Presentation Deck

Pathway to Vehicle Start-of-Production ("SOP") High-content silicon and lithium metal anode development timelines Product Solid Electrolyte Refine Product Mass Production High-Content Silicon Anode Cell Cell: 2 Ah-20 Ah Cell: 100 Ah Design Validation Execute Production Validation Build Li Metal Anode Cell Cell: 2 Ah-20 Ah Cell: 100 Ah Design Validation Execute Production Validation Build Note: Refer to slide 49 for definitions of Sample stages. Solid Power | DCRC+ 2020 2021 2022 2023 Pre A-Sample 2024 Commercialization Roadmap A-Sample 2025 B-Sample 2026 SOP C-Sample D-Sample 2027 35 SOP

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