Expand Energy Corporation operates as an independent energy company across the United States, primarily focused on the identification, acquisition, and development of properties for the extraction of crude oil, natural gas, and natural gas liquids from subterranean reservoirs. The company holds substantial stakes in key natural gas regions, including the Marcellus Shale in Pennsylvania's northern Appalachian Basin and the Haynesville/Bossier Shales in northwestern Louisiana. As of the close of 2023, its extensive portfolio of unconventional onshore U.