John “J.R.” Sult

Mr. Sult serves as a Director of Sitio, is Chair of the Nominating and Corporate Governance Committee and is a member of the Audit Committee. Mr. Sult previously served as a Director of Brigham Minerals from May 2018 to December 2022. Mr. Sult also serves on the Board of Directors of Vistra Corp., joining in April 2018 following its acquisition of Dynegy Inc. where Mr. Sult previously served on the Board of Directors and as the chairman of the audit committee from October 2012 to April 2018. Mr. Sult also previously served on the board of directors and as the chairman of the audit committee of Jagged Peak Energy Inc. from January 2017 until its merger with Parsley Energy Inc. in January 2020. In addition to his service on public company boards, Mr. Sult served as Executive Vice President and Chief Financial Officer of Marathon Oil Corporation from September 2013 until August 2016. Prior to Marathon, he was a member of the executive leadership team of El Paso Corporation (“El Paso”) from November 2005 until May 2012, ultimately serving as Executive Vice President and Chief Financial Officer. Mr. Sult also served as Executive Vice President, Chief Financial Officer and director of the general partner of El Paso Pipeline Partners, L.P., during his tenure at El Paso. Prior to joining El Paso, Mr. Sult served as Vice President and Controller of Halliburton Energy Services, Inc. from August 2004 until October 2005. Prior to joining Halliburton, Mr. Sult was an audit partner with Arthur Andersen LLP. He graduated from Washington & Lee University with a Bachelor of Science with Special Attainments in Commerce.