Proterra SPAC Presentation Deck

PROTERRA FINANCIALS Use of Proceeds Expands Proterra's Moat and Accelerates Growth Investments in Next-Generation Battery Program Target Powertrain Parity Projected Use of Proceeds Strategic Priorities Research & Development Capital Investments Growth Capex Domestic Cell Capacity Co-Investment January 2021 $200MM $300MM $150MM - $225MM $100MM - $120MM ● ● ● Continue to optimize battery performance and costs Further develop drivetrain platform Fortify software and energy-as-a-service offerings Expand battery capacity to 5+ GWh Broaden vertical integration Co-locate factories at customers' sites Guarantee cell supply Lower cell prices Access to next-generation cell technology Note: Refer to Disclaimer on pages 2 and 3 regarding forward-looking statements and use of projections PROTERRA 40

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