Lisa Stewart has served as a director of our general partner’s board of directors since September 2020 and currently serves as Chairperson of the Compensation Committee and as a member of the Audit Committee and the Special Committee. Ms. Stewart also serves as the Executive Chairman of Sheridan Production Partners, a position she has held since April 2020. Since Sheridan’s founding in 2006, she has served as Chairman, CEO and Chief Investment Officer, overseeing all aspects of Sheridan’s acquisitions and the implementation of its 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. She served on the Board of Directors of Jadestone Energy from 2019 to March 2024. She also served on the Board of Directors of Cimarex Energy from 2015 to 2021 and on the Board of Directors of its successor, Coterra Energy, from 2021 to May 2026. She is a member of the Society of Petroleum Engineers.