ProPetro Holding Corp. Loss Form

(1) the Company’s executive officers were improperly reimbursed for certain expenses; (2) the Company had engaged in certain undisclosed transactions with related parties; (3) the Company lacked adequate disclosure controls and procedures; (4) the Company lacked effective internal control over financial reporting; and (5) as a result of the foregoing, Defendants’ positive statements about the Company’s business, operations, and prospects, were materially misleading and/or lacked a reasonable basis.