HighMount's assets, located in the Permian Basin in Texas, have estimated net proved reserves totaling approximately 1.3 trillion cubic feet equivalent as of December 31, 2010. The company holds interests in developed and undeveloped acreage, wellbores and well facilities, which generally take the form of working interests in leases that have varying terms.

HighMount also owns or has interests in gathering systems which transport natural gas and NGL's, principally from its producing wells to processing plants and pipelines owned by third parties.

HighMount's properties typically have long reserve lives, high well completion success rates, and predictable production profiles.