GreenLight SPAC Presentation Deck

Disclaimer Use of projections This Presentation contains projected financial information with respect to GreenLight. Such projected financial information constitutes forward-looking information and is for illustrative purposes only. Financial projections should not be relied upon as necessarily being indicative of future results. The assumptions and estimates underlying such financial forecast information are inherently uncertain and are subject to a wide variety of significant business, economic, competitive, and other risks and uncertainties. See "Forward-Looking Statements" above. Actual results may differ materially from the results contemplated by the financial forecast information 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. No representations or warranties No representations or warranties, express or implied are given in, or in respect of, this Presentation. To the fullest extent permitted by law in no circumstances will Environmental Impact Acquisition Corporation ("ENVI"), GreenLight or any of their respective subsidiaries, stockholders, affiliates, representatives, directors, officers, employees, advisers, or agents by responsible or liable for a direct, indirect, or consequential loss or loss of profit arising from the use of this Presentation its contents, its omissions, reliance on the information contained within it, or on opinions communicated in relation thereto or otherwise arising in connection therewith. Industry and market data used in this Presentation have been obtained from third-party industry publications and sources as well as from research reports prepared for other purposes. Neither Environmental Impact Acquisition Corporation ("ENVI") nor GreenLight has independently verified the data obtained from these sources and cannot assure you of the data's accuracy or completeness. This data is subject to change. In addition, this Presentation does not purport to be all-inclusive or to contain all of the information that may be required to make a full analysis of GreenLight or the Proposed Business Combination. Viewers of this Presentation should each make their own evaluation of GreenLight and of the relevance and adequacy of the information and should make such other investigations as they deem necessary. No offer or solicitation This Presentation is for informational purposes only and is not an offer to sell, or the solicitation of an offer to buy, any securities, nor shall there be any sale of securities in any states or jurisdictions in which such offer, solicitation or sale would be unlawful. This Presentation has been prepared to assist interested parties in making their own evaluation with respect to a potential business combination between GreenLight Biosciences, Inc. ("GreenLight") and Environmental Impact Acquisition Corporation ("ENVI") and the related transactions (the "Proposed Business Combination") and for no other purpose. Neither the Securities and Exchange Commission nor any securities commission of any other U.S. or non-U.S. jurisdiction has approved or disapproved of the Proposed Business Combination or determined that this Presentation is truthful or complete. Any representation to the contrary is a criminal offense. Investor Presentation | © 2021 GreenLight Biosciences. All rights reserved. GreenLight confidential. 3

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