Item 4. CONTROLS AND PROCEDURES

As of September 30, 2021, with the participation of our management, our Chief Executive Officer (principal executive officer) and our Chief Financial Officer (principal financial and accounting officer) carried out an evaluation, pursuant to Rule 13a-15(b) of the Securities Exchange Act of 1934, as amended (the Act), of the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) of the Act). Based upon that evaluation, our Chief Executive Officer and our Chief Financial Officer concluded that our disclosure controls and procedures were effective as of September 30, 2021.

There have been no changes in our internal controls over financial reporting, as defined in Rule 13a-15(f) of the Act, in the period covered by this report that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II. OTHER INFORMATION

Item 1. LEGAL PROCEEDINGS

Information regarding our litigation and legal proceedings can be found in Note 9 to the Consolidated Financial Statements, which is incorporated into this Item 1 by reference.

In connection with an enforcement initiative of the U.S. Environmental Protection Agency (“EPA”) regarding flare emissions at petrochemical plants, we have settled with the EPA and the Department of Justice (“DOJ”) in order to resolve claims related to alleged improper operation and maintenance of flares at four of our U.S. facilities. Under the terms of the settlement, we will pay a penalty of $3,400,000, conduct fence line monitoring, and make investments in equipment at the facilities. The consent decree related to the settlement has been filed in the U.S. District Court for the Southern District of Texas.

Additional information about our environmental proceedings can be found in Part I, Item 3 of our 2020 Annual Report on Form 10-K, which is incorporated into this Item 1 by reference.