ProPetro Holding Corp.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On September 16, 2026, Celina Davila notified ProPetro Holding Corp. (the “Company”) of her intention to resign from her position as Chief Accounting Officer and principal accounting officer of the Company, effective October 30, 2026 (the “Transition Date”). Ms. Davila’s resignation was not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies, or practices, including any matters concerning the Company’s accounting principles or practices, financial statement disclosure, or internal control over financial reporting. Following the Transition Date, the Company’s existing Chief Financial Officer, Caleb Weatherl, will serve as interim principal accounting officer of the Company pending the identification of a replacement Chief Accounting Officer. The Company is not entering into any new, or amending any existing, compensatory plan or arrangement with Mr. Weatherl in connection with his appointment as interim principal accounting officer. There are no understandings between Mr. Weatherl and any other persons pursuant to which he was selected to serve as the Company’s interim principal accounting officer. There are no family relationships between Mr. Weatherl and any director or executive officer of the Company. There are no transactions in which Mr. Weatherl has an interest requiring disclosure under Item 404(a) of Regulation S-K. Mr. Weatherl’s full biography and other information required by Item 5.02(c) of Form 8-K are included in the Company’s definitive proxy statement, filed with the Securities and Exchange Commission on April 8, 2026, and such information is incorporated herein by reference.