Material Agreement, Financial Obligation (Form 8-K)

Item 1.01. Entry into a Material Definitive Agreement.

On February 6, 2026, ProPetro Energy Solutions, LLC ("Borrower"), a wholly owned subsidiary of ProPetro Holding Corp. (the "Company"), entered into the First Amendment to Master Loan and Security Agreement (the "Amendment") by and among Borrower, Caterpillar Financial Services Corporation ("Lender") and the Company and ProPetro Services, Inc. ("Services" and together with the Company, the "Guarantors"), which amends that certain Master Loan and Security Agreement, dated as of April 2, 2025, executed by the Borrower, the Lender and the Guarantors (as amended by the Amendment, the "Master Agreement") pursuant to which Lender agreed to increase the availability of funds under the Master Agreement by an additional $53,550,000.00 (the "Equipment Loans") to purchase certain turbine generator sets, along with auxiliary equipment. Each Equipment Loan consists of two phases: (A) a progress payment phase during which an interim advance is made, each evidenced by a separate floating rate promissory note based on an interim loan schedule (each, an "Interim Note") and (B) after giving effect to the applicable milestones, a term loan phase in which such Interim Note shall convert into a separate fixed rate promissory note based on a term loan schedule (each, a "Term Note" and together with the Interim Notes, each, a "Note").

Each Note will be secured on a first lien basis by the Equipment Collateral (as defined in the Master Agreement) and the support documents, casualty proceeds and other proceeds or products related thereto, and any proceeds from an Equipment Loan must be used for payment or reimbursement for the equipment subject to such Equipment Loan. Each Note will be fully and unconditionally guaranteed by the Guarantors. The Master Agreement contains customary affirmative and negative covenants, including limitations on further encumbrance of the collateral subject to the applicable loans under the Master Agreement.

The description of the Amendment provided above is not complete and is qualified in its entirety by reference to the Amendment, which is filed as Exhibit 10.1 to this Current Report on Form 8-K and incorporated into this Item 1.01 by reference.

Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

The information disclosed in Item 1.01 of this Form 8-K relating to the Amendment is incorporated into this Item 2.03 by reference.