Terry D. McCallister

Lead Independent Director

TERRY D. MCCALLISTER was appointed Lead Independent Director on April 30, 2025. Mr. McCallister has served as a Director since July 1, 2020. He has a forty-year history in nearly all aspects of the energy sector, including utilities, pipelines, clean energy, and exploration and production endeavors. He was Chairman and Chief Executive Officer of WGL Holdings, Inc. and Washington Gas from 2009 until his retirement in 2018. Prior thereto, Mr. McCallister served as President and Chief Operating Officer of WGL and Washington Gas, joining Washington Gas in 2000 as Vice President of Operations. He has also held various leadership positions with Southern Natural Gas and Atlantic Richfield Company. Mr. McCallister has a B.S. in Engineering Management from the University of Missouri-Rolla and is a graduate of the University of Virginia's Darden School of Business Executive Program.

Mr. McCallister currently serves on the Board of AltaGas Ltd. (TO: ALA), where he is a member of the Environment, Health, and Safety committee. His Board experience includes serving as the Chair of WGL Holdings prior to its being acquired in 2018. He has served on the National Petroleum Council, the American Gas Association, the Gas Technology Institute, and the Southern Gas Association and is a member of the Institute of Corporate Directors.