Via Email & Fax EXCO Operating Company, LP 12377 Merit Drive Dallas, Texas 75251 Attention: General Counsel Fax: 214-706-3409 August 14, 2017 Email: hlamparter@EXCOResources.com Re: Agreement to Terminate Purchase and Sale Agreement Ms. Lamparter:

Exhibit 2.4

Via Email & Fax

EXCO Operating Company, LP

00000 Xxxxx Xxxxx

Dallas, Texas 75251

Attention: General Counsel

Fax: 000-000-0000

August 14, 2017

Email: xxxxxxxxxx@XXXXXxxxxxxxx.xxx

Re: Agreement to Terminate Purchase and Sale Agreement

Xx. Xxxxxxxxx:

Reference is made to that certain Purchase and Sale Agreement by and among EXCO Operating Company, LP (“EOC”) and EXCO Land Company, LLC (“EXCO Land”, and together with EOC, “EXCO”), as Seller, and VOG Palo Verde LP (“Venado”), as Buyer, dated April 7, 2017 (as amended, the “PSA”). EXCO and Venado are each referred to herein as a “Party” and collectively referred to as the ‘‘Parties”. Capitalized terms used in this letter agreement but not defined in this letter agreement shall have the meanings given to such terms in the PSA.

Pursuant to Section 11.1(a) of the PSA, the Parties hereby mutually agree to terminate the PSA, which termination shall be conditioned upon, and effective immediately upon the occurrence of, Xxxxxx’s receipt of the Deposit in accordance with Section 11.2(c) of the PSA. Concurrently with XXXX’s execution and acknowledgment of this letter agreement, the Parties will execute a joint written instruction in the form of Xxxxx X hereto directing the Escrow Agent to deliver the Deposit to Venado in accordance with Section 11.2(c) of the PSA. Except as provided in Section 11.2 of the PSA and except for the provisions of Sections 1.1 , 1.2, 7.10, 8.1(b) through (f), 8.2, 11.3, 12.11 and Article XIII (other than Sections 13.3, 13.8 and 13.9) of the PSA, upon termination of the PSA in accordance with this letter agreement, the PSA shall be void and of no further force or effect and the Parties shall have no liability or obligation thereunder; provided that, notwithstanding anything herein or in Section 11 .3 of the PSA to the contrary, Venado’s obligations under Section 11.3 of the PSA are hereby suspended (and EXCO shall not seek to enforce any obligations thereunder) until such time as EXCO delivers written notice to Venado enforcing the terms thereof.

This letter agreement may be executed in counterparts, each of which shall be deemed an original instrument, but all such counterparts together shall constitute but one agreement.

[Signature Page Follows]

By executing the space provided below, the Parties hereby acknowledge and agree to the terms of this letter agreement.

Sincerely,

VOG Palo Verde LP

By: VOG Palo Verde GP LLC, its general partner

/s/ X. Xxxxx Xxxxxxx

Name: X. Xxxxx Xxxxxxx

Title: Chief Executive Officer

ACKNOWLEDGED AND AGREED THIS 15^th OF AUGUST, 2017:

By: EXCO Operating Company, LP

By: EXCO Partners OLP GP, LLC, its general partner

/s/ Xxxxxxx X. Xxxxxxxxx

Name: Xxxxxxx Xxxxxxxxx

Title: VP, General Counsel & Secretary

cc:     Xxxxxx & Xxxxxxx LLP

000 Xxxxxxxx Xxxxxx, XX

Suite 1000

Washington, D.C. 20004

Attention: Xxxxxxxxx Xxxx

Fax: 000-000-0000

Email: xxxxxxxxx.xxxx@xx.xxx

EXCO Resources, Inc.

00000 Xxxxx Xxxxx

Dallas, Texas 75251

Attention: Xxxxx Xxxxxxx

Email: xxxxxxxx@XXXXXxxxxxxxx.xxx

Xxxxxxxx & Xxxxx LLP

000 Xxxx Xxxxxx

Houston, Texas 77002

Attn: Xxxxx Xxxxxx Xx.

Fax: 000-000-0000

Email: xxxxx.xxxxxx@xxxxxxxx.xxx

Annex I

ESCROW RELEASE NOTICE- JOINT INSTRUCTIONS

[Omitted.]