Joseph A. Mills is the President and Chief Executive Officer of Samson Resources II, LLC (“Samson”). Mr. Mills was appointed to this position on March 1, 2017, the day Samson emerged from bankruptcy. Samson is a privately held E&P company with extensive holdings located in the Powder River Basin of Wyoming. Mr. Mills leads and directs the strategic and operational direction of the Company to maximize shareholder value and exploit the large resource base of the Company.

Prior to Samson, Mr. Mills served as the Chairman and Chief Executive Officer of Eagle Rock Energy Partners, Founder and Chief Executive Officer of Montierra Minerals and Production, L.P.,(an affiliate of Natural Gas Partners), Senior Vice President of Operations for Black Stone Minerals Company, L.P., Senior Vice President of El Paso Production Company, and Vice President of Land and M&A at Sonat Exploration Company. In addition, during 2019, Mr. Mills served as Executive Chairman of Roan Resources in Oklahoma City, OK.

Mr. Mills holds an MBA, Finance, from the University of Houston and a BBA, Petroleum Land Management, from the University of Texas, Austin. He currently serves on the Board of Directors of Riviera Resources (OTC: RVRA) and the University of Houston Energy Advisory Board. Mr. Mills has previously served on the Board of Directors of Roan Resources (NYSE: ROAN) Eagle Rock Energy Partners, L.P. (NASDAQ: EROC), CUI Global, Inc., (NASDAQ: CUI); and the Texas Pipeline Association.

Mr. Mills professional / community affiliations include: Independent Petroleum of America Association and the American Association of Professional Landmen.