Proterra SPAC Presentation Deck

PROTERRA OVERVIEW PROTERRA POWERED PROTERRA January 2021 TRANSIT PROTERRA ENERGY™ FLEET SOLUTIONS Proterra Well-Positioned for ~$260 Billion TAM ~$225 Billion Global Commercial Vehicle Market 1 ~4.4 Million Vehicles 1 PROTERRA POWERED MOHRIFF PROTERRA DAIMLER TRANSIT DAIMLER VAN HOOL DIMPLA BUSTECE >optimal I Com Cocton Coraz Current Proterra Customers ~$37 Billion Global Commercial Vehicle Charging Investment ² 40 TWh Annual Energy Need by 2030+² PROTERRA ENERGY FLEET SOLUTIONS 1. Estimated 2023 addressable market and number of vehicles for long-haul, medium-duty, construction / mining and buses; refer to Index on page 52 for additional information 2. Estimated 2030 addressable market and energy need excluding passenger cars; refer to Index on page 52 for additional information Note: Refer to Disclaimer on pages 2 and 3 regarding forward-looking statements and use of projections PROTERRA TM 16

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