Mark D. Casaday

PVR Partners LP engaged in the gathering and processing of natural gas and the management of coal and natural resource properties in the United States. It operates through three business segments: Eastern Midstream, Midcontinent Midstream and Coal & Natural Resource Management. The Eastern Midstream segment is engaged in providing natural gas gathering, and other related services in Pennsylvania and West Virginia. The Midcontinent Midstream segment is engaged in providing natural gas processing, gathering services, and other related services. These processing and gathering systems are located primarily in Oklahoma and Texas. The Coal & Natural Resource Management segment involves in the management and leasing of coal properties and the subsequent collection of royalties. It also involves in other land management activities, such as selling standing timber, leasing coal-related infrastructure facilities and collecting oil and gas royalties. The company was founded in July 2001 and is headquartered in Radnor, PA.

Niska Gas Storage Partners LLC owns and operates natural gas storage assets. It provides commercial, industrial and retail natural gas marketing services via Access Gas Services in both British Columbia and Ontario, and also provides agency services to natural gas end-users in Eastern Canada through EnerStream Agency Services. The company is headquartered in Radnor, PA.

Pentex Alaska Natural Gas Co. provides natural gas transportation and distribution services. The company was founded on March 16, 2004 and is headquartered in Addison, TX.