Proterra SPAC Presentation Deck

PROTERRA BUSINESS UNITS PROTERRA ENERGY™ FLEET SOLUTIONS 46 MW 450+ >80% 13% April 8, 2021 PROTERRA TRANSIT PROTERRA POWERED Proterra Energy: Pioneering High-Power, Fleet-Scale Charging Solutions Early Leadership in Electric Buses Has Provided First-Mover Advantage in Commercial Vehicle Fleet Charging charging infrastructure installed charging infrastructure installed Transit customers have purchased our charging solutions of 2020 revenue MW Charging Installed 4.3 ETS 2.5 2.4 Foothill Transis cta 2.0 LADOT 1.8 RTD 1.6 1.5 King County METRO PARK CITY 1.5 UNIVERSITY OF GEORGIA 1.4 RTC 1.3 1.3 starmetro DART PROTERRA 15 customers with >1 MW charging installed 1.1 cat us 1.1 1.1 StaRT PVTA 33

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