Nauticus Robotics, Inc.

Item 1.01 Entry into a Material Definitive Agreement Fifth Amendment to the Term Loan Agreement As previously disclosed by the Company in its filings with the SEC, pursuant to the terms of the Senior Secured Term Loan Agreement, dated as of September 18, 2023 (as amended, restated, amended and restated, restructured, supplemented, waived and/or otherwise modified from time to time, the “Term Loan Agreement”), by and among the Company, as borrower, the lenders from time to time party thereto (the “Lenders”) and ATW Special Situations Management LLC, as collateral agent (in such capacity, the “Collateral Agent”), the Lenders agreed to make Loans to the Company which Loans are convertible, in whole or in part, into shares of Common Stock of the Company at an initial Conversion Price of $6.00 subject to adjustment from time to time as provided in the Term Loan Agreement. Pursuant to Section 25(c) of the Term Loan Agreement, the Term Loan Agreement, including the Conversion Price, may be amended with the written consent of the Company and the Required Lenders, and any amendment reducing the Conversion Price shall only be effective with respect to the Loan made by any Lender with the written consent of such Lender. On October 25, 2025, the Company entered into an Amendment Agreement to the Term Loan Agreement with each Lender, pursuant to which the conversion price was reduced to $1.76 for the period ending on November 7, 2025. On May 11, 2026, the Company entered into a Second Amendment to the Term Loan Agreement with each Lender, pursuant to which the conversion price was reduced to $2.20 for the period ending on May 21, 2026. On June 1, 2026, the Company entered into a Third Amendment to the Term Loan Agreement with each Lender, pursuant to which the conversion price was reduced to $1.80 for the period ending on June 15, 2026. On August 12, 2026, the Company entered into a Fourth Amendment to the Term Loan Agreement (the “Fourth Amendment”) with each Lender, pursuant to which the conversion price was reduced to $1.80 for the period ending on August 13, 2026. Between September 15 and September 17, 2026, the Company entered into separate Fifth Amendments to the Term Loan Agreement with each Lender, each dated as of September 14, 2026 (collectively, the “Fifth Amendment”). The conditions to effectiveness of the Fifth Amendment were satisfied on September 17, 2026, including the required execution and delivery of the Collateral Agent Acknowledgment and Consent (the “Consent”). Pursuant to the Fifth Amendment, the Maturity Date was extended to January 31, 2028. The foregoing description of the Fifth Amendment and the Consent does not purport to be complete and is qualified in its entirety by reference to the full text thereof, which are filed as Exhibits 10.1 and 10.2, respectively, hereto and are incorporated into this report by reference.

Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under Item 1.01 of this Current Report is incorporated herein by reference.