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Offshore

Apache completes merger with Mariner Energy

United States: Apache Corporation has announced that it has completed its merger with Mariner Energy.

Offshore rig in the Gulf of Mexico.

The merger closed on November 10 following its approval by Mariner's stockholders and subsequent completion of documentation. Apache issued approximately 17.5 million shares of its common stock and paid approximately US$800 million in cash to Mariner stockholders. Apache also assumed Mariner's debt with current fair value of approximately US$1.6 billion. As a result of the merger, former Mariner stockholders own approximately five percent of Apache's outstanding shares of common stock.

At a special meeting, 79 percent of Mariner's stockholders voted to approve the merger.

"The Mariner merger – along with our US$7 billion acquisition of BP's upstream operating regions in the Permian Basin, Canada and Egypt and our earlier US$1 billion acquisition of Devon's Gulf of Mexico Shelf assets – will provide Apache with a rich inventory of growth and value-enhancement opportunities for years to come," said G. Steven Farris, Apache's chairman and chief executive officer.

At year-end 2009, Mariner had estimated proved reserves of 181 million barrels of oil equivalent (boe) (47 percent liquid hydrocarbons) in the Gulf Shelf and deepwater, onshore Gulf Coast, Permian Basin and unconventional onshore plays, as well as unbooked resource potential of two billion boe.

Mariner's deepwater portfolio includes 125 blocks, seven discoveries in development – including interests in the world-class Lucius and Heidelberg discoveries – and more than 50 prospects. During the third quarter, Mariner produced 51,348 boe per day.

"Apache's team – including new people from Mariner, BP and Devon – is looking forward to tackling the enlarged opportunity base that these assets bring to three core regions in our portfolio," Farris said.

"The Mariner merger also adds a new dimension to our portfolio – deepwater oil exploration.

"Apache has a truly unique culture, with a strong sense of urgency, the empowerment of our employees, and an independent mindset; it's at the heart of how we build value," Farris said.

"Apache's sense of urgency was a factor in our team's ability to attain seven of the 13 new drilling permits approved by federal regulators for all operators since June."

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