Noble Energy Completes Acquisition of United States Exploration, Inc.

Noble Energy closed its previously announced purchase of United States Exploration, Inc., a privately held corporation located in Billings, Montana. Noble Energy is proceeding with the integration of United States Exploration's assets into its current operations. The acquisition significantly expands Noble Energy's operations in its core Wattenberg field located in Colorado.

Noble Energy is one of the nation's leading independent energy companies and operates throughout major basins in the United States including Colorado's Wattenberg field, the Mid-continent region of western Oklahoma and the Texas Panhandle, the San Juan Basin in New Mexico and the Gulf of Mexico. In addition, Noble Energy operates internationally in Argentina, China, Ecuador, Equatorial Guinea, the Mediterranean Sea and the North Sea. Noble Energy markets natural gas and crude oil through its subsidiary, Noble Energy Marketing, Inc.