Proterra SPAC Presentation Deck

PROTERRA TECHNOLOGY Vehicle-to-Grid Platform: Can Unlock New Revenue Opportunities BATTERY ELECTRIC Mobile Energy Storage PROTERRA January 2021 POWERED Vehicle Data (kWh, miles, SOH) Bi-Directional Power Flow (DC) PROTERRA® APEX CLOUD ENERGY MANAGEMENT Charge Session Metrics Command Charge/Discharge B PROTERRA Bi-Directional Charger PROTERRA ENERGY™ FLEET SOLUTIONS Command & Schedule Charge Session Metrics Note: Refer to Disclaimer on pages 2 and 3 regarding forward-looking statements and use of projections Bi-Directional Power Flow (AC) PROTERRA 4 Distributed Energy Resource Management System A A Electrical Grid Initial Deployments in 2021 Dominion Energy Beverly, Massachusetts Proterra Vehicle-to-Grid Applications Can Transform Electric Vehicles Into Utility Grid Assets and Lower TCO ENERGY PROVIDER Data Energy 34

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