Questar Pipeline Company (QPC) is an interstate natural gas pipeline company that provides transportation and underground storage services in Utah, Wyoming and Colorado. QPC and its subsidiaries own and operate slightly more than 2,500 miles of pipeline with total daily capacity of 4,744 Mdth. QPC’s owned-and-operated systems provide shippers with access to major producing basins, processing plants, underground storage and interconnections with interstate pipelines serving expanding markets from California to the Mid-continent. QPC and its subsidiaries are strategically located in the heart of the Rocky Mountains and uniquely positioned to emerge as the new Market Center of the Rockies. QPC’s system is located near six major natural gas producing areas, including the Greater Green River, Uinta and Piceance basins. QPC owns and operates the Clay Basin storage facility located on the Wyoming–Utah border. Clay Basin is the largest underground storage reservoir in the Rocky Mountain Region. Through wholly–owned subsidiaries, QPC owns and operates the Overthrust Pipeline in southwestern Wyoming and Southern Trails Pipeline, extending 488 miles from the Blanco Hub to just inside the California state line. QPC also operates and owns 50% of the White River Hub providing transportation and hub services through interconnections with six interstate pipeline systems and a major processing plant near Meeker, Colorado.