Exhibit No. 10.10. March 8, 2000 (amended and restated as of January 12, 2001) Mr. Alan K. Allred Vice President, Business Development Questar Pipeline Company 180 East 100 South P.O. Box 45360 Salt Lake City, UT 84145-0360 Dear Mr. Allred: This...Questar Pipeline Co • March 29th, 2001 • Natural gas distribution • Utah
Company FiledMarch 29th, 2001 Industry JurisdictionThis letter sets forth the terms of an agreement between Colorado Interstate Gas Company ("CIG") and Questar Pipeline Company ("Questar"), concerning (i) the joint development, ownership, and construction and operation of new and/or expanded natural gas pipeline facilities extending westward from an interconnection with CIG's pipeline facilities near the Natural Buttes area in Utah through the Price, Utah area, continuing westward to a pipeline interconnection with the Kern River natural gas pipeline near Elberta, Utah and extending to the vicinity of Elko, Nevada, and (ii) gas transportation service for CIG's affiliate over a portion of such facilities (such new and/or expanded pipeline facilities and the related gas transportation service shall hereinafter be referred to as the "Project"). In consideration of the mutual premises and covenants of the parties, and subject to the conditions identified below, the parties hereto agree as follows: