Proterra SPAC Presentation Deck

PROTERRA OVERVIEW Integrated Technology Ecosystem Complete, Purpose-Built Technology Platform January 2021 Heavy-Duty Battery Pack High energy density, low-cost, ruggedized High Efficiency Drivetrains 5x efficiency of diesel Best-in-class acceleration Note: Refer to Disclaimer on pages 2 and 3 regarding forward-looking statements and use of projections Vehicle Integration End-to-end powertrain integration 111 Energy Solutions Fully-integrated charging solutions PROTERRA® APEX Apex Software PROTERRA Full-service fleet management platform Future A Vehicle-to-Grid Integrated utility-scale power ecosystem 15

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