Atlas Pipeline Mid-Continent LLC, is a full service midstream company providing
reliable gas gathering, compression, processing and treating services to its customers.
A growing company in the Mid-Continent region of Oklahoma, Arkansas, northern and
western Texas and the Texas panhandle, the company owns and operates approximately
7,900 miles of active intrastate gas gathering pipeline and a 565-mile interstate
natural gas pipeline. The company also operates seven gas processing plants and
a treating facility in Velma, Elk City, Sweetwater, Prentiss, and Enid, Oklahoma
and Midland Texas where natural gas liquids and impurities are removed.
The Elk City System gathers gas in Washita, Beckham and Roger Mills Counties, Oklahoma and in Wheeler County, Texas. Atlas provides processing and treating services at either the
Sweetwater Gas Processing Plant near Sayre, Oklahoma, the Prentiss Treating Plant, also near Sayre, or the
Elk City Gas Processing Plant in Elk City, Oklahoma.
The Velma Gas Processing Plant located in Velma, Oklahoma,
processes gas gathered from Stephens, Grady, Garvin, Carter, Love, Jefferson and
Marshall Counties, Oklahoma as well as from Montague and Cooke Counties, Texas.
The Ozark Gas Transmission pipeline provides
interstate transportation from eastern Oklahoma, across central and northeastern
Arkansas, into Missouri for redelivery into end-use markets or other interstate
pipelines. An affiliated company, Ozark Gas Gathering, LLC,
gathers gas from over 400 receipt points for delivery to downstream pipelines.

The Chaney Dell natural gas gathering and processing system is located in northwest
Oklahoma and southern Kansas, near the center of the Anadarko Basin. Throughput
on the Chaney Dell system averaged 226 Mmcf/d in 2006, and is centered within an
active drilling area. This system consists of two active processing facilities:
- the Waynoka Plant, a 200 Mmcf/d cryogenic unit in Woods County, OK;
- the Chester Plant, a 30 Mmcf/d cryogenic expander unit in Woodward County, OK; and
- approximately 3,470 miles of gathering pipeline covering six counties in the Anadarko
Basin across northwestern Oklahoma and southern Kansas.

The Midkiff-Benedum natural gas gathering and processing system, which is approximately
73% owned by APL, is located in the Spraberry Trend of the Permian Basin, near Midland,
Texas. In 2006, the Midkiff-Benedum system had approximately 139 Mmcf/d of average
throughput. This system consists of the following:
- the Midkiff Plant, a 130 Mmcf/d cryogenic facility in Reagan County, TX;
- the Benedum Plant, a 43 Mmcf/d cryogenic facility in Upton County, TX; and
- approximately 2,500 miles of gathering pipeline located across four counties in
the Permian Basin of west Texas.