Nauticus SPAC Presentation Deck

COPYRIGHT, DISCLAIMER, AND CONFIDENTIALITY Disclaimer: This confidential presentation (the "presentation") is being delivered to you by Nauticus Robotics, Inc. ("Nauticus") and CleanTech Acquisition Corp. ("SPAC" or "CleanTech") in connection with its potential business combination of Nauticus and SPAC and the offering of the securities of the post business combination company ("Combined Co" or "Nauticus") in a private placement (the "Transaction"). This presentation is for information purposes only and is being provided to you solely in your capacity as a potential investor in considering an investment in Nauticus or Combined Co. Any reproduction or distribution of this presentation, in whole or in part, or the disclosure of its contents, without the prior consent of Nauticus is prohibited. By accepting this presentation, each recipient and its directors, partners, officers, employees, attorney(s), agents and representatives (collectively, the "recipient") agrees: (i) to maintain the confidentiality of all information that is contained in this presentation and not already in the public domain; and (ii) to return or destroy all copies of this presentation or portions thereof in its possession following the request for the return or destruction of such copies. This presentation and any oral statements made in connection with this presentation shall neither constitute an offer to sell nor the solicitation of an offer to buy any securities, or the solicitation of any proxy, vote, consent or approval in any jurisdiction in connection with the proposed business combination, nor shall there be any sale of securities in any jurisdiction in which the offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such jurisdiction. This communication is restricted by law; it is not intended for distribution to, or use by any person in, any jurisdiction where such distribution or use would be contrary to local law or regulation. No Representations and Warranties: This presentation is for informational purposes only and does not purport to contain all of the information that may be required to evaluate a possible investment decision with respect to Nauticus or Combined Co. The recipient agrees and acknowledges that this presentation is not intended to form the basis of any investment decision by the recipient and does not constitute financial investment, tax or legal advice. No representation or warranty, express or implied, is or will be given by Nauticus, SPAC or any of their respective affiliates, directors, officers, employees or advisers or any other person as to the accuracy or completeness of the information (including as to the accuracy, completeness or reasonableness of statements, estimates, targets, projections, assumptions or judgments) in this presentation or in any other written, oral or other communications transmitted or otherwise made available to any party in the course of its evaluation of a possible transaction and no responsibility or liability whatsoever is accepted for the accuracy or sufficiency thereof or for any errors, omissions or misstatements, negligent or otherwise, relating thereto. The recipient also acknowledges and agrees that the information contained in this presentation is preliminary in nature and is subject to change, and any such changes may be material. Nauticus and SPAC disclaim any duty to update the information contained in this presentation. Forward-Looking Statements: This presentation includes "forward-looking statements" within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. Nauticus' and Combined Co's actual results may differ from their expectations, estimates and projections and consequently, you should not rely on these forward-looking statements as predictions of future events. Words such as "expect," "estimate," "project," "budget," "forecast," "anticipate," "intend," "plan," "may," "will," "could," "should," "believes," "predicts," "potential," "continue," and similar expressions are intended to identify such forward-looking statements. These forward-looking statements include, without limitation, Nauticus' and SPAC's expectations with respect to future performance. These forward-looking statements also involve significant risks and uncertainties that could cause the actual results to differ materially from the expected results. Factors that may cause such differences include, but are not limited to: (1) the outcome of any legal proceedings that may be instituted in connection with any proposed business combination; (2) the inability to complete any proposed business combination; (3) delays in obtaining, adverse conditions contained in, or the inability to obtain necessary regulatory approvals or complete regulatory reviews required to complete any business combination; (4) the risk that any proposed business combination disrupts current plans and operations; (5) the inability to recognize the anticipated benefits of any proposed business combination, which may be affected by, among other things, competition, the ability of the combined company to grow and manage growth profitably, maintain relationships with customers and suppliers and retain key employees; (6) costs related to the any proposed business combination; (7) changes in the applicable laws or regulations; (8) the possibility that Nauticus or Combined Co may be adversely affected by other economic, business, and/or competitive factors; (9) the impact of the global COVID-19 pandemic; and (10) other risks and uncertainties separately provided to you and indicated from time to time described in filings and potential filings by Nauticus, SPAC and Combined Co with the U.S. Securities and Exchange Commission. Nauticus and SPAC caution that the foregoing list of factors is not exclusive and not to place undue reliance upon any forward-looking statements, including projections, which speak only as of the date made. Nauticus and SPAC undertake no obligation to and accepts no obligation to release publicly any updates or revisions to any forward-looking statements to reflect any change in its expectations or any change in events, conditions or circumstances on which any such statement is based. nauticus robotics 2

View entire presentation