Proterra SPAC Presentation Deck

PROTERRA BUSINESS UNITS PROTERRA POWERED PROTERRA ENERGY AMAZXS 300S BOHOLOGY BATER ELECTRIC TERCESSIONE ALL THE POWER PROTERRA PROTERRA Proterra Transit: North America's #1 Electric Transit Bus OEM Battery/Drivetrain Technology Has Driven Leadership in Flagship Validation Market with 50%+ Market Share 1 Purpose-Built Electric Transit Bus Technology Platform April 8, 2021 TRANSIT ZX5 5th GENERATION CLEAN & QUIET rei LONGEST RANGE PROTERRA Proven Validation Superior Performance Significant Savings 1. 2012-2019 Proterra electric transit bus market share in North America; refer to Index on page 66 for additional information 0 ● ● ● ● ● ● PROTERRA 50% Market Share 18 Million Real-World Service Miles 10+ Year Vehicle Service Track Record Successfully Completed 8 Altoona Tests Long Range High Fuel Efficiency Faster Acceleration than diesel Greater Horsepower than diesel Low Operating Costs High Uptime Zero Tailpipe Emissions 40

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