Proterra SPAC Presentation Deck

PROTERRA FINANCIALS Paving the Path Forward on the Road to Commercial Vehicle Electrification ACT I: ACT II: 2020-2024 ACT III: 2025+ 2014-2019 ZXS JUST SOMOGY April 8, 2021 ELECTRIC HOSIONE ALL THE POWER BATTERY LONGEST RANGE 00 O PROTERRA • Transit bus: electric commercial vehicle trailblazer • Proterra pioneers its purpose-built technology • Short-haul: expanding electrification's use cases • Proterra broadens into other commercial vehicle segments PROTERRA ● Long-haul: enabled by improving technology/costs and expansion in charging infrastructure • Proterra's next-gen battery is designed to meet the rigorous requirements of this segment 59

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