On December 29, 2023, W&T Offshore, Inc. (together with its guarantor subsidiaries, the ?Company?) entered into a Thirteenth Amendment to the Sixth Amended and Restated Credit Agreement (the ?Thirteenth Amendment?) dated as of December 29, 2023, among the Company, certain of its guarantor subsidiaries, Alter Domus (US) LLC, as administrative agent, and certain of the Company?s lenders and other parties thereto (as heretofore amended, the ?Credit Agreement?). The Thirteenth Amendment, which became effective as of December 29, 2023, amends the Sixth Amended and Restated Credit Agreement dated as of October 18, 2018 to extend the maturity date from January 3, 2024 to January 31, 2024. As of September 30, 2023, there were no borrowings outstanding under the Credit Agreement and no borrowings had been incurred under the Credit Agreement during the nine months ended September 30, 2023.

As of September 30, 2023 and December 31, 2022, the Company had $4.4 million outstanding in letters of credit which have been cash collateralized.