Parsley Energy, Inc. entered into an Agreement and Plan of Merger (the “Merger Agreement”) by and among Pioneer Natural Resources Company, a Delaware corporation (“Pioneer”), Pearl First Merger Sub Inc., a Delaware corporation and a wholly-owned subsidiary of Pioneer (“Merger Sub Inc.”), Pearl Second Merger Sub LLC, a Delaware limited liability company and a wholly-owned subsidiary of Pioneer (“Merger Sub LLC”), Pearl Opco Merger Sub LLC, a Delaware limited liability company and a wholly-owned subsidiary of Pioneer (“Opco Merger Sub LLC”), the Company and Parsley Energy, LLC, a Delaware limited liability company. Also effective as of the Effective Time, each of Matt Gallagher, Chief Executive Officer resigned as an officer of the Company.