Rebecca A. Klein

Rebecca “Becky” Klein has served as a director of Diamondback since July 2022. Ms. Klein is currently the Principal of Klein Energy, LLC, an energy consulting company based in Austin, Texas. Over the last 25 years, she has worked in Washington, D.C. and in Texas in the energy, telecommunications, and national security arenas. Ms. Klein’s professional experience also includes service with KPMG Consulting (now Deloitte) where she headed the development of the company’s Office of Government Affairs and Industry Relations in Washington, D.C. She also served as a Senior Fellow with Georgetown University’s McDonough School of Business. Ms. Klein was the Chairman of the Public Utility Commission of Texas. She has served as chair of the board of the Lower Colorado River Authority, a public power utility owning generation, transmission, and water services across the central Texas area. In addition, she sits on the boards of Avista Corporation (NYSE: AVA), a publicly traded utility in the Pacific Northwest; GroupNIRE, a privately held company focused on developing energy resources from early-stage technologies to commercial deployment; and Aiqueous, a privately held water and power software company. Ms. Klein also sits on the board of SJW Group (NYSE: SJW), a publicly traded water company which operates in California, Texas, Connecticut, and Maine. She is also the Founder and a director of the Texas Energy Poverty Research Institute. She earned a Juris Doctor from St. Mary’s University School of Law in San Antonio, Texas. Ms. Klein also holds a Master of Arts in National Security Studies from Georgetown University, a Bachelor of Arts in Human Biology from Stanford University, and a Master of Business Administration from MIT. Ms. Klein is a retired Lieutenant Colonel with the U.S. Air Force Reserve. She is a member of the State Bar of Texas. Ms. Klein qualifies as an independent director under the Nasdaq listing standards.