Solid Power SPAC Presentation Deck

Validation from Automotive OEMs Automotive OEMs recognize the importance of All-Solid-State to the future of EVs and Solid Power's leadership 22 Key brands M W BMW Overview German premium vehicle manufacturer with ~2.3m premium vehicles sold by BMW Group in 2020 ● 700,000 vehicles with electrified drive trains on roads by end of 2020; BMW expects that more than 50% of its sales in 2030 will be electrified vehicles • EUR 6.3 bn invested in R&D activities in 2020 - including focus activities in the fields of electrification, battery research, digitalization 20 M W MINI ROLLS-ROYCE MOTOR CARS Partnership History ✓Relationship dating back to 2016 conducting all-solid- state battery research and development ✓ Announced partnership with Solid Power to jointly develop all-solid-state battery technology in 2017 Solid Power | DCRC ✓ Expanded partnership with Solid Power in 2021 with Series B investment and joint development agreement for full-scale 100 Ah cells for testing and vehicle integration Key brands Ford Ford Overview • American vehicle manufacturer with ~4.5mm vehicle retail sales and ~4.2mm vehicle wholesales in 2020 • Ford is expected to produce ~600k EVs by 2030 and 2.3mm EVs by 2040 (50% of sales) • Committed to invest at least $22Bn through 2025 to deliver connected, electric vehicles, nearly twice its previous EV investment plans Ford LINCOLN Partnership History ✓ Ford participated in Solid Power's Series A funding in 2018, providing plan validation and capital ✓ Announced investment and partnership in 2019 to jointly develop all-solid-state batteries via Solid Power's roll-to-roll production line ✓ Expanded partnership with Solid Power in 2021 with Series B investment and joint development agreement for full-scale 100 Ah cells for testing and vehicle integration Appendix Solid Power "Ford and BMW now share leading positions in the race for all solid-state battery- powered electric vehicles. Solid Power will begin producing automotive-scale batteries on the company's pilot production line in early 2022 as a result of our partners' continued commitment to Solid Power's commercialization efforts." Doug Campbell - CEO and co-Founder of Solid Power "Being a leader in advanced battery technology is of the utmost importance for BMW. The development of all solid-state batteries is one of the most promising and important steps towards more efficient, sustainable, and safer electric vehicles. We now have taken our next step on this path with Solid Power. mobility." Together we have developed a 20 Ah all solid-state cell that is absolutely outstanding in this field. Over the past 10 years BMW has continuously increased the battery cell competence-important partners like Solid Power share our vision of a zero-emission Frank Weber -Member of the Board of Management "Solid-state battery technology is important to the future of electric vehicles, and that's why we're investing directly. Recent JDAs represent shift from collaborative R&D to vehicle integration programs B By simplifying the design of solid-state versus lithium-ion batteries, we'll be able to increase vehicle range, improve interior space and cargo volume, deliver lower costs and better value for customers and more efficiently integrate this kind of solid-state battery cell technology into existing lithium-ion cell production processes" Ted Miller - Manager of Electrification Subsystems and Power Supply Research 46 M Ford W

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