Expand Energy Corporation, formerly known as Chesapeake Energy, is a leading American natural gas producer headquartered in Oklahoma City. In October 2024, the company merged with Southwestern Energy, rebranding as Expand Energy. Operating primarily in the Appalachian Basin across Pennsylvania and West Virginia, as well as the Haynesville Shale in Louisiana, Expand Energy reported daily natural gas production of 3,758 million cubic feet equivalent in 2024. The company is committed to achieving net-zero emissions by 2035, reflecting its dedication to sustainability. For more information, visit Expand Energy.