Proterra Investor Presentation Deck

The Dawn of Commercial Vehicle Electrification Has Come Annual Demand for Heavy-Duty Batteries in North America and Europe is Expected to Grow from 2 GWh in 2021 to >90 GWh in 2030 and ~300 GWh in 2040¹ <1% Medium-Duty Trucks & Buses <2 GWh 2021 >30 GWh 2030 >75% O2022 Proterra. All Rights Reserved. >90 GWh 2040 <1% <1 GWh 2021 COO Heavy-Duty Trucks -60 GWh 2030 PROTERRA >40% >200 GWh 2040 New electric truck & bus market forecast to grow to ~200k in 2030 and -650k in 2040 in North America and Europe 2 1. Management estimate based on Morgan Stanley's penetration forecasts from April 5, 2022 report, "Zero-Emissions Truck Penetration Refresh" and assume average battery size/vehicle of 225 kWh for medium-duty, 300 kWh for buses and 750 kWh for heavy-duty 2. Morgan Stanley's April 5, 2022 report, "Zero-Emissions Truck Penetration Refresh Note: Images are artistic renderings and do not represent actual vehicles on the market 4

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