MARINE PETROLEUM TRUST 10-Q

Item 4. Controls and Procedures Conclusion Regarding the Effectiveness of Disclosure Controls and Procedures Simmons Bank, as Trustee of the Trust, is responsible for establishing and maintaining Marine’s disclosure controls and procedures. Marine’s disclosure controls and procedures include controls and other procedures that are designed to ensure that information required to be disclosed by Marine in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by Marine in the reports that it files or submits under the Exchange Act is accumulated and communicated to the Trustee as appropriate to allow timely decisions regarding required disclosure. As of March 31, 2021, the Trustee carried out an evaluation of the effectiveness of the design and operation of Marine’s disclosure controls and procedures pursuant to Rules 13a-15(b) and 15d-15(b) of the Exchange Act. Based upon that evaluation, the Trustee concluded that Marine’s disclosure controls and procedures were effective as of March 31, 2021. Changes in Internal Control Over Financial Reporting There have not been any changes in Marine’s internal control over financial reporting during the quarter ended March 31, 2021 that have materially affected, or are reasonably likely to materially affect, Marine’s internal control over financial reporting. 12 PART II. OTHER INFORMATION