Benson Hill SPAC Presentation Deck

BENSON HILL Disclaimer (Cont'd) Use of Projections and Financial Information This presentation contains financial forecasts relating to the anticipated future financial performance of Benson Hill, the proposed acquiror and the combined company. For example, projections of future EBITDA and Adjusted EBITDA and other metrics are forward-looking statements. Such financial forecasts constitute forward-looking information, are for illustrative purposes only and should not be relied upon as necessarily being indicative of future results. Actual results may differ materially from the results contemplated by the financial forecasts contained in this presentation, and the inclusion of such information in this presentation should not be regarded as a representation by any person that the results reflected in such forecasts will be achieved. Use of Non-GAAP Financial Measures This presentation also includes references to financial measures (including on a forward-looking basis) that are calculated and presented on the basis of methodologies other than in accordance with generally accepted accounting principles in the United States of America ("GAAP") such as EBITDA and EBITDA margin. Any non-GAAP financial measures used in this presentation are in addition to, and should not be considered superior to, or a substitute for, net income, operating income or any other financial measures derived in accordance with GAAP. Non-GAAP financial measures should not be considered in isolation and are subject to significant inherent limitations. The non-GAAP measures presented herein may not be comparable to similar non-GAAP measures presented by other companies. Star Peak II and Benson Hill believe these non-GAAP measures of financial results provide useful information to management and investors regarding certain financial and business trends relating to Benson Hill's financial condition and results of operations. Star Peak II and Benson Hill believe that the use of these non-GAAP financial measures provides an additional tool for investors to use in evaluating ongoing operating results and trends in and in comparing Benson Hill's financial measures with other similar companies, many of which present similar non-GAAP financial measures to investors. These non-GAAP financial measures are subject to inherent limitations as they reflect the exercise of judgments by management about which expense and income are excluded or included in determining these non-GAAP financial measures. Additionally, to the extent that forward-looking non-GAAP financial measures are provided, they are presented on a non-GAAP basis without reconciliations of such forward-looking non-GAAP numbers due to the inherent difficulty in forecasting and quantifying certain amounts that are necessary for such reconciliations. Trademarks and Trade Names Star Peak II and Benson Hill own or have rights to various trademarks, service marks and trade names that they use in connection with the operation of their respective businesses. This presentation also contains trademarks, service marks and trade names of third parties, which are the property of their respective owners. The use or display of third parties' trademarks, service marks, trade names or products in this presentation is not intended to, and does not imply, a relationship with Star Peak II or Benson Hill, or an endorsement or sponsorship by or of Star Peak II or Benson Hill. Solely for convenience, the trademarks, service marks and trade names referred to in this presentation may appear without the ®, TM or SM symbols, but such references are not intended to indicate, in any way, that Star Peak II or Benson Hill will not assert, to the fullest extent under applicable law, their rights or the right of the applicable licensor to these trademarks, service marks and trade names. 3

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