Item 4. CONTROLS AND PROCEDURES

**(a)**Evaluation of disclosure controls and procedures.

Our management has evaluated, with the participation of our principal executive officer and principal financial officer, the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934) as of the end of the period covered by this report, and has concluded that our disclosure controls and procedures were effective as of June 30, 2023.

**(b)**Changes in internal control over financial reporting.

There has been no change in our internal control over financial reporting that occurred during our last fiscal quarter that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

PART II – OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

There have been no material developments in proceedings that we previously reported in our annual report on Form 10-K for the year ended December 31, 2022 or in our quarterly report on Form 10-Q for the quarter ended March 31, 2023.

Environmental Enforcement Matters

We are reporting this proceeding to comply with SEC regulations, which require us to disclose certain information about proceedings arising under U.S. federal, state, or local provisions regulating the discharge of materials into the environment or protecting the environment if we reasonably believe that such proceedings have the potential to result in monetary sanctions of $300,000 or more.

Bay Area Air Quality Management District (BAAQMD) (Benicia Refinery). On May 1, 2023, the BAAQMD issued a Notice of Violation (NOV) to our Benicia Refinery in connection with a release from a pressure relief device. We are working with the BAAQMD to resolve this NOV.