Proterra Investor Presentation Deck

Proterra Transit: Serving 43 States and Provinces Validating & Refining our Battery Technology in the First Commercial Vehicle Segment to Electrify >1,050 Vehicles Delivered © 2023 Proterra. All Rights Reserved. 2 Diverse Customer Geographic Footprint Across North America 480 anne 030000 O ● O CO Proterra Transit Customer 80% of 2022A Orders from Existing Customers 0 O ● OO CO 135+ Customers -30% N.A. Transit Fleet Operated by Customers PROTERRA TRANSIT 12

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