FIRST SUPPLEMENTAL INDENTURE

Exhibit 4.2

FIRST SUPPLEMENTAL INDENTURE

FIRST SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of August 2, 2023, among each of the entities listed on Exhibit A attached hereto (the “Guaranteeing Subsidiary”), each a subsidiary of Civitas Resources, Inc., a Delaware corporation (the “Company”), the Company, the other Guarantors (as defined in the Indenture referred to herein) and Computershare Trust Company, N.A., as trustee under the Indenture referred to below (the “Trustee”).

WITNESSETH

WHEREAS, the Company has heretofore executed and delivered to the Trustee an indenture (the “Indenture”), dated as of June 29, 2023, providing for the issuance of 8.750% Senior Notes due July 1, 2031 (the “Notes”);

WHEREAS, the Indenture provides that, under certain circumstances, each Guaranteeing Subsidiary shall execute and deliver to the Trustee a supplemental indenture pursuant to which the Guaranteeing Subsidiary shall unconditionally Guarantee all of the Company’s Obligations under the Notes and the Indenture on the terms and conditions set forth herein (the “Note Guarantee”); and

WHEREAS, pursuant to Section 9.01 of the Indenture, the Trustee is authorized to execute and deliver this Supplemental Indenture without the consent of Holders of the Notes.

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Guaranteeing Subsidiaries, the other Guarantors, the Company and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows:

1.CAPITALIZED TERMS. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

2.AGREEMENT TO GUARANTEE. Each Guaranteeing Subsidiary hereby agrees to provide an unconditional Guarantee on the terms and subject to the conditions set forth in the Note Guarantee and in the Indenture including but not limited to Article 10 thereof.

3.NO RECOURSE AGAINST OTHERS. No director, manager, officer, member, employee, incorporator or unitholder or other owner of Capital Stock of the Company or any Guarantor, as such, will have any liability for any obligations of the Company or the Guarantors under the Notes, the Indenture or the Note Guarantees or for any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder of Notes by accepting a Note waives and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes.

4.NEW YORK LAW TO GOVERN. THE LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THIS SUPPLEMENTAL INDENTURE.

5.COUNTERPARTS. The parties may sign any number of copies of this Supplemental Indenture, and each party hereto may sign any number of separate copies of this Indenture. Each signed copy shall be an original, but all of them together represent the same agreement. The exchange of copies of this Indenture and of signature pages by facsimile or PDF transmission shall constitute effective execution and delivery of this Indenture as to the parties hereto and may be used in lieu of the original Indenture for all purposes. Signatures of the parties

hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes.

6.EFFECT OF HEADINGS. The headings of the Sections of this Supplemental Indenture have been inserted for convenience of reference only, are not to be considered a part of this Supplemental Indenture and will in no way modify or restrict any of the terms or provisions hereof.

7.THE TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Guaranteeing Subsidiaries, the other Guarantors and the Company.

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IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed and attested, all as of the date first above written.

COMPANY:

			CIVITAS RESOURCES, INC.
			By:			/s/ Xxxxxx X. Xxxxxx
			Name:			Xxxxxx X. Xxxxxx
			Title:			Chief Legal Officer and Secretary

GUARANTEEING SUBSIDIARIES:

CIVITAS DE BASIN HOLDINGS, LLC

CIVITAS DE BASIN HOLDINGS II, LLC

CIVITAS DE BASIN MIDSTREAM, LLC

CIVITAS DE BASIN MINERALS, LP

CIVITAS DE BASIN MINERALS II, LLC

CIVITAS DE BASIN NM HOLDINGS, LLC

CIVITAS DE BASIN NM MINERALS, LLC

CIVITAS DE BASIN RESOURCES, LLC

CIVITAS DE BASIN RESOURCES II, LLC

CIVITAS MID BASIN ENERGY, LLC

CIVITAS MID BASIN ENERGY B, LLC

CIVITAS PERMIAN OPERATING, LLC

			By:			/s/ Xxxxxx X. Xxxxxx
			Name:			Xxxxxx X. Xxxxxx
			Title:			Chief Legal Officer and Secretary

EXISTING GUARANTORS:

7N, LLC

8 NORTH, LLC

COLLEGIATE HOLDINGS LLC

AXIS EXPLORATION, LLC

BONANZA CREEK ENERGY OPERATING COMPANY, LLC

CIVITAS NORTH, LLC

CRESTONE PEAK RESOURCES ACQUISITION COMPANY I LLC

CRESTONE PEAK RESOURCES GP INC.

CRESTONE PEAK RESOURCES LLC

CRESTONE PEAK RESOURCES HOLDINGS LLC

CRESTONE PEAK RESOURCES LP

CRESTONE PEAK RESOURCES MIDSTREAM LLC

CRESTONE PEAK RESOURCES OPERATING LLC

[Signature Page to First Supplemental Indenture]

CRESTONE PEAK RESOURCES XXXXXXX HOLDINGS LLC

CRESTONE PEAK RESOURCES XXXXXXX MIDSTREAM LLC

EXTRACTION FINANCE CORP.

EXTRACTION OIL & GAS, INC.

FIFTH POCKET PRODUCTION, LLC

HIGHPOINT OPERATING CORPORATION

HIGHPOINT RESOURCES CORPORATION

XXXXXX EASTERN COMPANY, LLC

MOUNTAINTOP MINERALS, LLC

NORTHWEST CORRIDOR HOLDINGS, LLC

RAPTOR CONDOR MERGER SUB 2, LLC

ROCKY MOUNTAIN INFRASTRUCTURE, LLC

TABLE MOUNTAIN RESOURCES, LLC

XOG SERVICES, LLC

XTR MIDSTREAM, LLC

			By:			/s/ Xxxxxx X. Xxxxxx
			Name:			Xxxxxx X. Xxxxxx
			Title:			Chief Legal Officer and Secretary

TRUSTEE:

			COMPUTERSHARE TRUST COMPANY, N.A., As Trustee
			By:			/s/ Xxxxxxx Xxxxxx
			Name:			Xxxxxxx Xxxxxx
			Title:			Vice President

[Signature Page to First Supplemental Indenture]

EXHIBIT A

Additional Guarantors

1.Civitas DE Basin Holdings, LLC, a Delaware limited liability company

2.Civitas DE Basin Holdings II, LLC, a Delaware limited liability company

3.Civitas DE Basin Midstream, LLC, a Delaware limited liability company

4.Civitas DE Basin Minerals, LP, a Delaware limited partnership

5.Civitas DE Basin Minerals II, LLC, a Delaware limited liability company

6.Civitas DE Basin NM Holdings, LLC, a Delaware limited liability company

7.Civitas DE Basin NM Minerals, LLC, a Delaware limited liability company

8.Civitas DE Basin Resources, LLC, a Delaware limited liability company

9.Civitas DE Basin Resources II, LLC, a Delaware limited liability company

10.Civitas MID Basin Energy, LLC, a Delaware limited liability company

11.Civitas MID Basin Energy B, LLC, a Delaware limited liability company

12.Civitas Permian Operating, LLC, a Delaware limited liability company

[Exhibit A to First Supplemental Indenture]