PostRock is a vertically integrated energy company that owns: more than 2,800 wells and nearly 2,200 miles of natural gas gathering pipelines and is the largest producer of natural gas in the Cherokee Basin of southeast Kansas and northeast Oklahoma; nearly 400 natural gas and oil producing wells and undeveloped acreage in the Appalachian Basin of the northeastern United States; and over 1,100 miles of interstate natural gas transmission pipelines in Oklahoma, Kansas, and Missouri.