Proterra Investor Presentation Deck

Contracted Battery Cell Supply Supports Production Multiple GWh of Battery Cell Supply Contracted through 2028 LG Energy Solution Multiple gigawatt-hours of cell supply under contract with LG Energy Solution through 2028 Long-term relationship with LG Energy Solution since 2016 PROTERRA POWERED PROTERRA PROTERRA Burlingame R&D and Pilot LG Energy Solution Arizona 43 GWh Battery Manufacturing Plant Planned for 2025 PROFERREA PROTERRA POWERED Greer, South Carolina ¹ Multi GWh Next Gen Battery Factory 1. Announced plans in January 2023 to close the City of Industry facility with all Proterra battery production to be consolidated at Powered 1 (Greer, South Carolina) by the end of Q3 2023 18

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