NET Power Inc.

Disclosure Controls and Procedures

The Company’s disclosure controls and procedures are designed to provide reasonable assurance that information is recorded, processed, summarized and reported accurately and on a timely basis. Under the guidance and involvement of the Company’s Chief Executive Officer, who is also the Company’s interim Chief Financial Officer, management has assessed the effectiveness of the Company’s disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act. Based on this assessment, the Company’s Chief Executive Officer has concluded that the Company’s disclosure controls and procedures were effective as of December 31, 2025.

Management’s Annual Report on Internal Control over Financial Reporting

The Company is responsible for establishing and maintaining adequate internal control over financial reporting (as defined by Exchange Act Rules 13a-15(f)). The Company and has designed such internal control over financial reporting, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. Internal control over financial reporting, no matter how well designed, has inherent limitations. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation. Further, because of changes in conditions, the effectiveness of internal control over financial reporting may vary over time.

Under management’s supervision and participation, the Company evaluated the effectiveness of our disclosure controls and procedures based on the 2013 Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based upon this evaluation, our Chief Executive Officer, who is also the Company’s interim Chief Financial Officer, concluded that our disclosure controls and procedures were effective as of December 31, 2025.

Changes in Internal Control Over Financial Reporting

During the year ended December 31, 2025, there were no changes in our internal control over financial reporting that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.