On December 15, 2022, Newton W. (Trey") Wilson III resigned as General Counsel and Corporate Secretary of ProPetro Holding Corp., effective as of December 31, 2022. On December 15, 2022, John J. (Jody") Mitchell, currently the Vice President and Deputy General Counsel of the Company, was appointed as General Counsel and Corporate Secretary of the Company, effective as of January 1, 2023. Following the effectiveness of Mr. Mitchell's appointment as General Counsel and Corporate Secretary he will become a participant in the ProPetro Services Inc. Second Amended and Restated Executive Severance Plan (the Severance Plan") as a Tier 2 Executive" (within the meaning of the Severance Plan).

On December 15, 2022, Mr. Mitchell entered into a participation agreement under the Severance Plan reflecting his participation and Tier designation, which agreement will be effective January 1, 2023.