CleanTech Acquisition Corp. Announces Effectiveness of Registration Statement and Date for Special Meeting to Approve Business Combination with Nauticus Robotics, Inc.

Cleantech Acquisition Corp.; Nauticus Robotics, Inc.

NEW YORK and HOUSTON, Aug. 15, 2022 (GLOBE NEWSWIRE) — CleanTech Acquisition Corp. (“CLAQ”) (NASDAQ: CLAQ), a publicly traded special purpose acquisition company, and Nauticus Robotics, Inc. (“Nauticus”), a Houston-area developer of subsea and surface robotic services using autonomy software, announced today that CLAQ’s registration statement on Form S-4 (the “Registration Statement”), relating to the previously announced proposed business combination between CLAQ and Nauticus (the “Business Combination”), has been declared effective by the US Securities and Exchange Commission (the “SEC”).

CLAQ will hold a Special Meeting of Stockholders (“Special Meeting”) on September 6, 2022 at 10:00 am Eastern Time. CLAQ has established July 27, 2022 as the record date for such a meeting (“Record Date”). CLAQ shareholders of record at the close of business on the Record Date are entitled to vote the shares of common stock of CLAQ owned by them at the Special Meeting. If the proposed Business Combination is approved by CLAQ shareholders, CLAQ anticipates closing the Business Combination promptly after the Special Meeting, subject to the satisfaction or waiver (as applicable) of all other closing conditions. CLAQ shareholders who wish to exercise their redemption rights must do so no later than 5:00 pm Eastern Time on September 1, 2022 by following the procedures specified in the definitive proxy statement/prospectus for the Special Meeting.

Upon completion of the Business Combination, CLAQ common stock and warrants will trade on the NASDAQ under the symbols “KITT” and “KITTW”, respectively. At the closing of the Business Combination, (i) all remaining CLAQ units will separate into their components consisting of one share of CLAQ common stock, one right and one-half of one warrant and, as a result, will no longer trade together as a separate security, and (ii) every 20 rights will automatically convert into one share of common stock.

CLAQ shareholders who need assistance in completing the proxy card, need additional copies of the definitive proxy statement/prospectus, or have questions regarding the Special Meeting may contact CLAQ’s proxy solicitor, Advantage Proxy, by calling (877) 870-8565 (toll-free ), or by email at

About Nauticus
Nauticus Robotics, Inc. is a Houston-based developer of cloud-based subsea robots, software, and services delivered in a modern business model to the ocean industry. Nauticus’ robotic systems will be delivered to commercial and government-facing customers primarily through a Robotics as a Service business model but also include direct product sales. This modernized approach to ocean robotics as a service has resulted in the development of a range of products for retrofit/upgrading legacy systems and other vehicle platforms. Nauticus’ services provide customers with the necessary data collection, analytics, and subsea manipulation capabilities to support and maintain assets while significantly reducing their operational footprint, operating cost, and greenhouse gas emissions, to improve offshore health, safety, and environmental exposure.

About CLAQ
CleanTech Acquisition Corp. is a special purpose acquisition company formed in June 2020 with the purpose of entering into a business combination with one or more businesses. CleanTech Sponsor I LLC and CleanTech Investments LLC, an affiliate of Chardan, are the founders and co-sponsors of CLAQ.

Important Information Regarding the Transaction and Where to Find It
This press release references the proposed merger transaction previously announced involving CLAQ and Nauticus. CLAQ filed a Registration Statement with the SEC, which includes a proxy statement and prospectus of CLAQ, which has been declared effective by the SEC, and CLAQ will file other documents regarding the proposed transaction with the SEC. The definitive proxy statement/prospectus will also be sent to the stockholders of CLAQ, seeking required stockholder approval. Before making any voting or investment decision, investors and security holders of CLAQ are urged to carefully read the entire Registration Statement and proxy statement/prospectus, when they become available, and any other relevant documents filed with the SEC, as well as any amendments or These documents, because they will contain important information about the proposed transaction. The documents filed by CLAQ with the SEC may be obtained free of charge at the SEC’s website at In addition, the documents filed by CLAQ with the SEC may be obtained free of charge upon written request to CleanTech Acquisition Corporation, 207 West 25th Street, 9th Floor, New York, New York 10001, Attention: Eli Spiro, Chief Executive Officer.

Forward-Looking Statements
This press release contains forward-looking statements, within the meaning of section 27A of the US Securities Act of 1933, as amended (the “Securities Act”), and section 21E of the US Securities Exchange Act of 1934 (“Exchange Act”) that are based on beliefs and assumptions and on information currently available to CLAQ and Nauticus. In some cases, you can identify forward-looking statements by the following words: “may,” “will,” “could,” “would,” “should,” “expect,” “intend,” “plan,” “anticipate ,” “believe,” “estimate,” “predict,” “project,” “potential,” “continue,” “ongoing,” “target,” “seek” or the negative or plural of these words, or other similar expressions that are predictions or indicate future events or prospects, although not all forward-looking statements contain these words. Any statements that refer to expectations, projections or other characterizations of future events or circumstances, including projections of market opportunity and market share, the capability of Nauticus’ business plans including its plans to expand, the sources and uses of cash from the proposed transaction, the following enterprise value of the combined company consummation of the proposed transaction, the proposed transaction and expectations of Nauticus’ proposed transaction are also forward-looking statements. These statements involve risks, uncertainties and other factors that may cause actual results, levels of activity, performance or achievements to be materially different from those expressed or implied by these forward-looking statements. Although each of CLAQ and Nauticus believes that it has a reasonable basis for each forward-looking statement contained in this communication, each of CLAQ and Nauticus cautions you that these statements are based on a combination of facts and factors currently known and projections of the future , which are inherently uncertain. In addition, risks and uncertainties are described in the definitive proxy statement/prospectus relating to the proposed transaction, which has been filed by CLAQ with the SEC and other documents filed by CLAQ or Nauticus from time to time with the SEC. These filings may identify and address other important risks and uncertainties that could cause actual events and results to differ materially from those contained in the forward-looking statements. Neither CLAQ nor Nauticus can assure you that the forward-looking statements in this communication will prove to be accurate. These forward-looking statements are subject to a number of risks and uncertainties, including, among others, the ability to complete the business combination due to the failure to obtain approval from CLAQ’s stockholders or satisfy other closing conditions in the business combination agreement, the occurrence of any event that could give rise to the amount of the business agreement, the ability to recognize the combination of costs related to the combination of the benefits of the CLAQ’s public stockholders, the transaction, the impact global COVID-19 pandemic, the risk that the transaction disrupts current plans and operations as a result of the announcement and consummation of the transaction, the outcome of any potential litigation, government or regulatory proceedings and other risks and uncertainties, including those to be included under the heading “Risk Factors” in the final prospectus for CLAQ’s initial public offer ing filed with the SEC on July 16, 2021 and in its subsequent quarterly reports on Form 10-Q and other filings with the SEC. There may be additional risks that neither CLAQ or Nauticus presently know or that CLAQ and Nauticus currently believe are immaterial that could also cause actual results to differ from those contained in the forward-looking statements. In light of the significant uncertainties in these forward-looking statements, you should not regard these statements as a representation or warranty by CLAQ, Nauticus, their respective directors, officers or employees or any other person that CLAQ and Nauticus will achieve their objectives and plans in any specified time frame, or at all. The forward-looking statements in this press release represent the views of CLAQ and Nauticus as of the date of this communication. Subsequent events and developments may cause those views to change. However, while CLAQ and Nauticus may update these forward-looking statements in the future, there is no current intention to do so, except to the extent required by applicable law. You should, therefore, not rely on these forward-looking statements as representing the views of CLAQ or Nauticus as of any date subsequent to the date of this communication.

No Offer or Solicitation
This press release is not a proxy statement or solicitation of a proxy, consent or authorization with respect to any securities or in respect of the potential transaction and does not constitute an offer to sell or a solicitation of an offer to buy any securities of CLAQ or Nauticus, nor shall there be any sale of any such securities in any state or jurisdiction in which such offer, request or sale would be unlawful prior to registration or qualification under the securities laws of such state or jurisdiction. No offer of securities shall be made except by means of a prospectus meeting the requirements of the Securities Act.

Participants in the Solicitation
CLAQ and Nauticus and their respective directors, executive officers, other members of management, and employees, under SEC rules, may be deemed to be participants in the solicitation of proxies of CLAQ’s stockholders in connection with the proposed transaction. Information regarding the persons who may, under SEC rules, be deemed participants in the request of CLAQ’s stockholders in connection with the proposed business combination is set forth in CLAQ’s definitive proxy statement/prospectus, which has been filed with the SEC. Investors and security holders may obtain more detailed information regarding the names and interests in the proposed transaction of CLAQ’s directors and officers in CLAQ’s filings with the SEC and such information is also in the definitive proxy statement/prospectus filed with the SEC by CLAQ.

For investor and media inquiries, please contact:
Gateway Group
IR: Cody Slach or Jeff Grampp, CFA
PR: Zach Kadletz
Phone: (949) 574-3860
Email :

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