Exxon Mobil and Pioneer Natural Resources Exit Position in ProPetro Holding Corp. via Block Trade

On May 20, 2026, Exxon Mobil Corporation, along with its subsidiaries Pioneer Natural Resources Company, Pioneer Natural Resources USA, Inc., and Pioneer Natural Resources Pumping Services LLC, filed Amendment No. 2 to their Schedule 13D regarding ProPetro Holding Corp. (PUMP). The filing reports that the Reporting Persons have fully monetized their investment in the Issuer. Specifically, on May 20, 2026, the entities sold 16,600,000 shares of Common Stock in a block trade pursuant to Rule 144 at a price of $16.66 per share. Following this transaction, the Reporting Persons beneficially own zero shares, representing 0.0% of the class, and have ceased to be beneficial owners of more than five percent of ProPetro Holding Corp.'s Common Stock. This divestment concludes the position previously held by Pioneer and its affiliates, which became subsidiaries of Exxon Mobil.