Cheyenne Plains Gas Pipeline Company is a 36-inch natural gas pipeline extending from near the Wyoming-Colorado border to south-central Kansas. The Cheyenne Plains Pipeline initially went into service on January 31, 2005 and serves market areas in the Midwest with connections to several mid-continent pipelines in south-central Kansas.

The pipeline, underwritten by long-term firm transportation contracts for the full 560 MDth/d capacity of the pipeline, was constructed to move natural gas from the Cheyenne Hub just south of Cheyenne, Wyoming to Greensburg, Kansas, a distance of approximately 380 miles. The initial facilities included compression and treatment facilities at the Cheyenne Hub at the western terminus of the mainline. In the Greensburg area, Cheyenne Plains interconnects with a number of other interstate natural gas pipelines providing additional transportation services to Midwest and Eastern market areas.

In response to customer requests for increased capacity, Cheyenne Plains expanded its throughput to 730 MDth/d through the installation of additional compression to its existing compressor station at the western end of the pipeline near the Cheyenne Hub. This expansion was completed and placed in service on November 7, 2005.

Again in 2006, Cheyenne Plains responded to new customer transportation requirements and added the Yuma Lateral to the pipeline in northeast Colorado. The Yuma Lateral was constructed to support up to 50 MDth of transportation from nearby production areas to the Cheyenne mainline. The Yuma Lateral was placed in service on December 31, 2006. Cheyenne Plains' most recent expansion was the installation of the Kim Compressor Station on its mainline in western Kansas. The new compression facility was completed and placed in service on August 2, 2008 and raises the Cheyenne Plains throughput capability to 800 MDth/d.

Cheyenne Plains' facilities are ideally situated to provide competitive and efficient transportation services to move natural gas supplies from the prolific Rocky Mountain production areas to numerous downstream pipelines serving Midwest and Eastern market areas.

Offering continued long-term growth options combined with efficient and reliable transportation services, Cheyenne Plains is prepared to serve the demands for natural gas transportation from the rapidly growing production areas in the Rocky Mountains, including expanded production developments in Colorado, Utah and Wyoming.