Exhibit 10.1

Execution Version

THIRTEENTH AMENDMENT TO SIXTH

AMENDED AND RESTATED CREDIT AGREEMENT

THIS THIRTEENTH AMENDMENT TO SIXTH AMENDED AND RESTATED CREDIT AGREEMENT (this “Thirteenth Amendment”), dated as of December 29, 2023, is entered into by and among W&T OFFSHORE, INC., a Texas corporation, as the borrower (the “Borrower”), the Guarantor Subsidiaries party hereto, CALCULUS LENDING, LLC as Lender (the “Lender”), and ALTER DOMUS (US) LLC, as agent (in such capacity together with any successors thereto, the “Administrative Agent”) for the Lender.

WITNESSETH

WHEREAS, the Borrower, the Lender and the Administrative Agent are parties to the Sixth Amended and Restated Credit Agreement, dated as of October 18, 2018 (as amended and modified from time to time prior to the Thirteenth Amendment Effective Date (as defined below), the “Existing Credit Agreement”, and the Existing Credit Agreement, as amended by the amendments set forth in Section 2 of this Thirteenth Amendment, the “Credit Agreement”), pursuant to which the Lender agreed to make loans to the Borrower;

WHEREAS, the Borrower has requested that the Lender agree to amend the Existing Credit Agreement to extend the Maturity Date to January 31, 2024, with such amendments becoming effective on the Thirteenth Amendment Effective Date;

WHEREAS, the Lender (constituting the sole Lender) and the Administrative Agent are willing to amend the Existing Credit Agreement on the Thirteenth Amendment Effective Date, subject to the terms and conditions set forth below; and

WHEREAS, subject to the terms and conditions set forth herein, the Borrower, the Administrative Agent and the Lender (constituting the sole Lender) have agreed to amend the Existing Credit Agreement in accordance with Section 2.

NOW, THEREFORE, in consideration of the premises set forth above, the terms and conditions contained herein, and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby agree as follows:

Section 1.               Definitions. Capitalized terms used herein (including in the Recitals hereto), but not defined herein, shall have the meanings as given them in the Credit Agreement (unless the context otherwise requires) and if not defined in the Credit Agreement, such terms shall have the meanings as given to them in the Existing Credit Agreement.

Section 2.               Amendment to Existing Credit Agreement. Subject to the satisfaction of the conditions precedent set forth in Section 4 below, on the Thirteenth Amendment Effective Date, the definition of “Maturity Date” appearing in Section 1.1 of the Existing Credit Agreement shall be amended to replace the words “January 3, 2024” with the words “January 31, 2024.”

Section 3.               Representations and Warranties. The Borrower hereby represents and warrants that after giving effect hereto:

(a)            the representations and warranties of the Borrower and its Restricted Subsidiaries contained in the Loan Documents (as amended hereby) are true and correct in all material respects (unless such representation or warranty is qualified by materiality, in which event such representation or warranty shall be true and correct in all respects) on and as of the Thirteenth Amendment Effective Date, other than those representations and warranties that expressly relate solely to a specific earlier date, which shall remain correct in all material respects as of such earlier date (unless such representation or warranty is qualified by materiality, in which event such representation or warranty is true and correct in all respects as of such earlier date);

(b)            the execution, delivery and performance by the Borrower and the Guarantor Subsidiaries of this Thirteenth Amendment are within their corporate or limited liability company powers, have been duly authorized by all necessary action, require, in respect of any of them, no action by or in respect of, or filing with, any governmental authority which has not been performed or obtained and do not contravene, or constitute a default under, any provision of Law or regulation or the articles of incorporation or the bylaws of any of them or any agreement, judgment, injunction, order, decree or other instrument binding upon the Borrower or the Guarantor Subsidiaries or result in the creation or imposition of any Lien on any asset of any of them except as contemplated by the Loan Documents other than, in each case, as would not reasonably be expected to cause or result in a Material Adverse Change; and

(c)            the execution, delivery and performance by the Borrower and the Guarantor Subsidiaries of this Thirteenth Amendment constitutes the legal, valid and binding obligation of each of them enforceable against them in accordance with its terms except as such enforcement may be limited by bankruptcy, insolvency or similar Laws of general application relating to enforcement of creditors’ rights.

Section 4.              Conditions to Effectiveness. The amendment in Section 2 shall be effective on the date on which all of the following conditions in this Section 4 are satisfied or waived, which date, the parties hereto acknowledge, is December 29, 2023 (such date, the “Thirteenth Amendment Effective Date”).

(a)            The Administrative Agent (or its counsel) shall have received:

(b)            The Administrative Agent and the Lender shall have received all fees and expenses required to be paid by the Borrower on or prior to the Thirteenth Amendment Effective Date, in the case of such expenses, to the extent provided in Section 10.4(a) of the Existing Credit Agreement and invoiced at least one (1) Business Day prior to the Thirteenth Amendment Effective Date.

(c)            No Default or Event of Default shall have occurred and be continuing as of the Thirteenth Amendment Effective Date.

(d)            The representations and warranties set forth in Section 3 shall be true and correct as of the Thirteenth Amendment Effective Date (except with respect to representations and warranties expressly made only as of an earlier date, which representations were true and correct as of such earlier date).

Section 5.               Ratification; Reaffirmation; Loan Document.

(a)            This Thirteenth Amendment shall be deemed to be an amendment to the Existing Credit Agreement effective as of the dates set forth herein, and the Credit Agreement is hereby ratified, approved and confirmed in each and every respect. Nothing herein contained shall be construed as a substitution or novation of the obligations outstanding under the Existing Credit Agreement or any other Loan Document or instruments securing the same, which shall remain in full force and effect as modified hereby or by instruments executed concurrently herewith, and each of the parties hereto acknowledges and agrees that the terms of this Thirteenth Amendment constitute an amendment of the terms of pre-existing Indebtedness and the related agreement, as evidenced by the Credit Agreement. The Borrower and each Guarantor Subsidiary hereby ratifies, approves and confirms in every respect all the terms, provisions, conditions and obligations of the Loan Documents (including, without limitation, all Security Documents) to which it is a party.

(b)            To induce the Lender and the Administrative Agent to enter into this Thirteenth Amendment, the Borrower and each Guarantor Subsidiary hereby acknowledges and reaffirms its obligations under each Loan Document to which it is a party, including, without limitation, any grant, pledge or collateral assignment of a lien or security interest, as applicable, contained therein and any guarantee provided by it therein, in each case as amended, restated, amended and restated, supplemented or otherwise modified prior to or as of the date hereof (including as amended pursuant to this Thirteenth Amendment), and without limiting the foregoing, acknowledges and agrees that each of the Loan Documents to which it is a party or otherwise bound shall continue in full force and effect and that all of its obligations thereunder shall not be impaired or limited by the execution or effectiveness of this Thirteenth Amendment.

(c)            All references to the Existing Credit Agreement in any Loan Document or in any other document, instrument, agreement or writing shall hereafter be deemed to refer to the Credit Agreement. This Thirteenth Amendment is a Loan Document.

Section 6.               Costs and Expenses. To the extent provided in Section 10.4(a) of the Credit Agreement, the Borrower agrees to reimburse the Administrative Agent and Calculus Lending, LLC, in its capacity as Lender, for all reasonable and documented out-of-pocket costs and expenses incurred by or on behalf of the Administrative Agent and Calculus Lending, LLC, in its capacity as Lender, in connection with this Thirteenth Amendment and any other agreements, documents, instruments, releases, terminations or other collateral instruments delivered by the Administrative Agent in connection with this Thirteenth Amendment.

Section 7.               GOVERNING LAW. THIS THIRTEENTH AMENDMENT SHALL BE DEEMED A CONTRACT AND INSTRUMENT MADE UNDER THE LAWS OF THE STATE OF NEW YORK AND SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF NEW YORK AND THE LAWS OF THE UNITED STATES OF AMERICA, WITHOUT REGARD TO PRINCIPLES OF CONFLICTS OF LAW.

Section 8.               Severability. If any term or provision of this Thirteenth Amendment shall be determined to be illegal or unenforceable all other terms and provisions of this Thirteenth Amendment shall nevertheless remain effective and shall be enforced to the fullest extent permitted by applicable Law.

Section 9.               Counterparts. This Thirteenth Amendment may be separately executed in any number of counterparts and by different parties hereto in separate counterparts, each of which when so executed shall be deemed to constitute one and the same agreement. Any signature hereto delivered by a party by facsimile or electronic transmission shall be deemed to be an original signature hereto. The use of electronic signatures and electronic records (including, without limitation, any contract or other record created, generated, sent, communicated, received, or stored by electronic means) shall be of the same legal effect, validity and enforceability as a manually executed signature or use of a paper-based record-keeping system to the fullest extent permitted by applicable law, including the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Records Act and any other applicable law, including, without limitation, any state law based on the Uniform Electronic Transactions Act or the Uniform Commercial Code.

Section 10.             Successors and Assigns. This Thirteenth Amendment shall be binding upon the Borrower and its successors and permitted assigns and shall inure, together with all rights and remedies of each Lender Party hereunder, to the benefit of each Lender Party and its successors, transferees and assigns.

Section 11.             No Waiver. The execution, delivery and effectiveness of this Thirteenth Amendment shall not, except as expressly provided herein, operate as a waiver of any right, power or remedy of the Lender or the Administrative Agent under any of the Loan Documents, nor constitute a waiver by the Administrative Agent or the Lender of any Defaults or Events of Default which may occur in the future under the Credit Agreement and/or the other Loan Documents.

[Signature Pages Follow]

IN WITNESS WHEREOF, the parties hereto have caused this Thirteenth Amendment to be executed by their respective officers thereunto duly authorized as of the day and year first above written.

[Signature Page to Thirteenth Amendment to Sixth A&R Credit Agreement]

[Signature Page to Thirteenth Amendment to Sixth A&R Credit Agreement]

[Signature Page to Thirteenth Amendment to Sixth A&R Credit Agreement]

[Signature Page to Thirteenth Amendment to Sixth A&R Credit Agreement]

[Signature Page to Thirteenth Amendment to Sixth A&R Credit Agreement]

[Signature Page to Thirteenth Amendment to Sixth A&R Credit Agreement]