Proterra SPAC Presentation Deck

PROTERRA FINANCIALS Attractive and Credible Long Term Financial Model Fiscal Year Ended December 31, 2022E SMM Income Statement Items Transit Powered & Energy Total Proterra Revenue Growth % (-) Cost of Goods Sold Gross Profit Margin % (-) R&D (-) SG&A EBIT Margin % (+) D&A EBITDA Margin % Free Cash Flow Build EBITDA (-) Capex (-) Increases in WC Free Cash Flow January 2021 2020E 153 40 $193 6% (185) $8 4% (35) (54) ($81) NM 15 ($66) NM ($66) (18) (12) ($95) 2021E 189 57 $246 27% (235) $11 4% (44) (63) ($96) NM 15 ($82) NM ($82) (20) (18) ($120) 279 160 $439 79% (384) $55 13% (48) (66) ($59) NM 19 ($40) NM ($40) (60) (50) ($151) 2023E 492 346 $838 91% (708) $130 16% (50) (74) $6 1% 27 $33 4% $33 (110) (75) ($152) 2024E 640 809 $1,449 73% (1,159) $290 20% 1. 2020E-2025E CAGR Note: Refer to Disclaimer on pages 2 and 3 regarding forward-looking statements and use of projections (53) (82) $154 11% 35 $190 13% $190 (55) (80) $55 2025E 784 1,782 $2,566 77% (1,924) $642 25% (56) (88) $499 19% 40 $539 21% $539 (40) (109) $390 PROTERRA 68% Revenue CAGR 1 25% Gross Margins at Scale ✓Significant Operating Leverage Attractive 20%+ EBITDA Margins Capital Efficiency, Disciplined Investment Ramping Cash Flow Generation 39

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