Proterra SPAC Presentation Deck

PROTERRA TECHNOLOGY Proterra's Innovation DNA January 2021 O ROTERRA O PROTERRA Deep and Diversified Engineering Expertise Core engineering team has deep automotive battery engineering experience and dedication to first-principles engineering Expertise across multiple engineering disciplines: mechanical, electrical, chemical, software Strong Professional Backgrounds with Industry Leaders TESLA Premier and Innovative Product Development DNA PROTERRA HONDA BOSCH GM BATTERN ELECTRIC 81 Patents Across Our Integrated Technology Ecosystem 1. As of December 2020; key patent families are Battery Configuration and Energy Management, Powertrain and Vehicle Controls, Charging Interface and Methods, Composite Body and Vehicle Design, and Vehicle Controls PROTERRA 1 Bloomenergy® 26

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