Proterra SPAC Presentation Deck

PROTERRA OVERVIEW PROTERRA Zozo-Entimton BATTERY ELECTRICI POWERED SCHOOL BUS SIC Proterra Energy: Enabling the Electrification of Commercial Vehicles $37Bn of Annual Investment Expected in Global Charging Infrastructure by the End of the Decade 1 FLYSJC.COM TERRA January 2021 CON PROTERRA 60. PROTERRA V26 TRANSIT PROTERRA ENERGY™ FLEET SOLUTIONS Charging is Key to Electrify Commercial Vehicle Fleets... ...and Represents a Large, Underserved Market Hundreds of vehicles per depot, each requiring 75-300 kW of charging power High Power Needs Continuous Service Operational Constraints Peak power of up to ~30 MW per depot, multiples of typical interconnection Commercial vehicles operate every day, with consistently high charging needs 99%+ uptime is expected, reliability is a must even with untrained operators Must conform to existing high-density fleet yard layouts Must seamlessly integrate into normal-course operations Fleet Depots 1. Refer to Index on page 52 for additional information 2. Refer to Index on page 52 for additional information 3. Refer to Index on page 52 for additional information 4. 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 En-Route Top-Ups Destination Charging ● PROTERRA Over 1.4MM vehicles managed by US fleet operators ² Focus: lowering TCO across vehicles and chargers Over 300,000 truck parking spaces across the U.S. ³ Focus: integration with existing infrastructure Significant Market Opportunity Requiring a Multidisciplinary Approach Over 250,000 warehouses in the U.S. 4 Focus: integration of charging with logistical activities 21

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