Benson Hill SPAC Presentation Deck

BENSON HILL Star Peak has Identified Benson Hill as the Leading Food Technology Platform Driving the Plant-Based Revolution The Business Offering Size Valuation Capital Structure Benson Hill Investors Include ● ● ● ● ● ● Consumer-centric approach driving crop innovation to improve food by unlocking the natural genetic diversity of plants Leading platform that integrates data science with plant genomics and food science Near term focus on supplying plant-based ingredients Star Peak Corp. II (NYSE: STPC) is a special purpose acquisition company with ~$403 million of cash in trust PIPE size of $225 million Pro forma enterprise value of ~$1.35 billion Attractively valued entry multiple Benson Hill shareholders rolling 100% of their equity ~$650 million net cash (assuming no redemptions) retained to fully finance forecasted growth G/ Alphabet s2gventures LEWIS & CLARK VENTURES W WHEATSHEAF Prelude VENTURES CDPQ Source: Benson Hill and Star Peak. Note: Benson Hill figures as of 12/31/2020. LDC. Louis Dreyfus Company Louis Dreyfus BUNGE emart Leadership BENSON HILL STAR PEAK Matt Crisp President & CEO Eric Scheyer CEO DeAnn Brunts CFO Adam Daley Director Jason Bull CTO Mike C. Morgan Chairman Craig Rohr President 6

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