Lisa A. Stewart has served as a director of our general partner’s board of directors since September 2020. Ms. Stewart also serves as Sheridan Production Partners Executive Chairman, a position she has held since April 2020. From the founding of Sheridan in 2006, she served as Chairman, CEO and Chief Investment Officer overseeing all aspects of Sheridan acquisitions and the implementation of Sheridan’s strategy. Ms. Stewart has more than 35 years of experience in the oil and gas industry in engineering and management positions.

Prior to founding Sheridan, Ms. Stewart served as Executive Vice President of El Paso Corporation and President of El Paso E&P and other non-regulated businesses. Prior to her time at El Paso, Ms. Stewart spent 20 years at Apache, leaving in January 2004 as Executive Vice President with responsibility for reservoir engineering, business development, land, environmental, health and safety and corporate purchasing.

Ms. Stewart holds a B.S. in Petroleum Engineering from The University of Tulsa, where she is a member of the College of Engineering and Natural Sciences Hall of Fame. From December 2019 to March 2024, she served on the Board of Directors of Jadestone Energy. She is a member of the Society of Petroleum Engineers and currently serves on the Board of Directors of Cimarex Energy, Inc.