Proterra SPAC Presentation Deck

PROTERRA OVERVIEW PROTERRA POWERED PROTERRA Proterra Powered: Daimler Strategic Partnership World's Largest Commercial Vehicle Manufacturer is a Customer and Investor DAIMLER ● TRANSIT BUILT BUBEB Seven Iconic Commercial Vehicle Brands Under One Roof January 2021 PROTERRA ENERGY LETO CONTEN W WESTERN STAR Anchor investor in the current $415MM PIPE BAILARIA TRENE FREIGHTLINER BHARATBENZ World's largest commercial vehicle manufacturer with unmatched global scale ~$50 billion in annual revenue and ~520,000 annual vehicles sold 1 Meaningful Shareholder and Senior Executive Commitment In September 2018, Daimler Trucks & Buses co-led investment in Proterra SETRA FUSO Jochen Goetz Head of Finance & Controlling, Daimler Trucks & Buses Proterra Director 1. Fiscal Year 2019 2. Refer to Index on page 52 for additional information 3. Refer to Index on page 52 for additional information Sizable, Existing Commercial Agreements BUILT BUBEBL PROTERRA Deliveries expected to begin in 2021 ✓ Existing Industry Fleet in U.S.: 300,000+ vehicles 2 In production since 2Q 2020 ✓ Existing Industry Fleet in U.S.: 480,000+ vehicles ³ 18

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