Independence Hub Successfully Integrated

The operation, which took place quayside at the Kiewit Offshore Services facility in Ingleside, Texas, was completed over several hours on September 20, 2006, utilizing Kiewit's specialized Heavy Lifting Device to set the 8,400-ton deck onto the 10,000-ton hull.

Additional hookup and commissioning activities are expected to continue over the next several weeks after which the Hub will be towed to Mississippi Canyon block 920 in the Gulf of Mexico where it will be moored in a world record 8,000 feet of water. Once installed, the Atlantia DeepDraft Semi will connect to one 24" export gas line, and have the capacity to connect to 16 infield flowlines and 12 umbilicals coming from an initial 10 ultra-deepwater fields. Total designed throughput of the process facility will be one billion cubic feet per day of natural gas.

Independence Hub is owned 80% by Enterprise Products Partners L.P. and 20% by Helix Energy Solutions and will be operated by Anadarko Petroleum Corporation, on behalf of the Atwater Valley Producers Group. The Atwater Valley Producers Group is comprised of Anadarko Petroleum, Dominion Exploration & Production, Hydro Gulf of Mexico LLC, Devon Energy Corporation and Energy Resources Technology.