Proterra SPAC Presentation Deck

PROTERRA OVERVIEW Battery Cell Supply Secured through 2022 In Discussions to Invest in Domestic Cell Manufacturing to Lock-in Long-Term Supply April 8, 2021 PROTERRA End-market analysis in 2018 spurred internal initiative to secure long-term battery cell supply Contract with LG Energy Solutions ensures cell supply at competitive prices through a critical growth phase Active discussions to partner on an investment in U.S.- based cell manufacturing 15

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