Mr. Johnson most recently served as president and chief executive officer of Pacific Gas & Electric Corporation, a utility company, from May 2019 through June 2020. Mr. Johnson also served as president and chief executive officer of Tennessee Valley Authority, an electric utility company, from January 2013 to May 2019. Prior to joining Tennessee Valley Authority, Mr. Johnson held the positions of chairman, president and CEO of Progress Energy, Inc. ( Progress ) from October 2007 to July 2012, and previously to that as president and chief operating officer from 2005 to 2007. His career at Progress included leadership roles of increasing responsibility including as president, energy delivery from 2004 to 2005, president and chief executive officer from 2002 to 2003, and executive vice president and general counsel from 2000 to 2002 of Progress Energy Service Company. Mr. Johnson s career began in 1992 at Carolina Power & Light Company (predecessor to Progress) where he held increasing senior management roles of associate general counsel and manager, legal department vice president, senior counsel and corporate secretary and senior vice president and corporate secretary. Mr. Johnson has been a director of TC Energy Corp. since June 2021, where he currently serves on the Audit Committee and Human Resources Committee. Mr. Johnson has also been a director of Terrestrial Energy since 2023. Terrestrial Energy went public in November 2025. Mr. Johnson previously served on the boards of directors of the following utility industry groups or associations: Edison Electric Institute as Vice Chair, Nuclear Energy Institute as Chair, Institute of Nuclear Power Operations, World Association of Nuclear Operators as Governor and Nuclear Electric Insurance Limited. Mr. Johnson brings three decades of industry and leadership expertise to the Board. Mr. Johnson s multiple tenures as CEO and vast experience with industry groups related to gas, electric, nuclear and other utilities provide him with extensive leadership skills in the utilities industry and a deep understanding of regulated industry operations. Mr. Johnson guided Pacific Gas & Electric Corporation through its emergence from bankruptcy and served as CEO of Progress during its merger with Duke Energy, through which he gained significant experience in complex corporate restructuring, transactions, and strategy. His experience has also informed an understanding of safety and risk oversight in the utilities industry that the Board values. This extensive experience and depth of knowledge gives Mr. Johnson a strong perspective on strategic operations within the industry and makes Mr. Johnson a valuable asset to the Board.