WPX Completes Sale of Van Hook Gathering System

Proceeds Represent More Progress on Debt Reduction

WPX Energy (NYSE: WPX) announced today that it has completed the sale of a North Dakota gathering system for approximately $185 million to a private equity fund managed by the Ares EIF Group, a subsidiary of Ares Management, L.P. (NYSE: ARES).

The sale is part of WPX’s deleveraging plan targeting $400-$500 million in divestitures by the end of 2015. WPX also recently completed an $80 million sale of its coalbed methane properties in Wyoming.

WPX is working to reduce debt from a transformative acquisition in August that added decades of drilling inventory in the core of the Permian’s Delaware Basin.

The company also has processes under way to market a San Juan Basin gathering system and to evaluate opportunities for accelerating value in the Piceance Basin.

“We are fully engaged in debt reduction efforts,” stated Rick Muncrief, WPX president and chief executive officer. “Our ability to move quickly and decisively is one of our strengths.”

The sale of the North Dakota asset consists of an oil, natural gas and water gathering system. Under the terms of the agreement, WPX will continue to operate the system which supports its development in the Van Hook peninsula in the basin.

The system can be expanded and will be managed on behalf of Ares EIF Group by an affiliate of MCP Asset Development Group.

About WPX Energy, Inc.

WPX is a domestic energy producer with operations in the western United States. The company has reported double-digit oil volume growth in each of the past three years and is reshaping its portfolio through more than $4 billion of acquisitions and divestitures.

This press release includes “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical facts, included in this press release that address activities, events or developments that the company expects, believes or anticipates will or may occur in the future are forward-looking statements. Such statements are subject to a number of assumptions, risks and uncertainties, many of which are beyond the control of the company. Statements regarding future drilling and production are subject to all of the risks and uncertainties normally incident to the exploration for and development and production of oil and gas. These risks include, but are not limited to, the volatility of oil, natural gas and NGL prices; uncertainties inherent in estimating oil, natural gas and NGL reserves; drilling risks; environmental risks; and political or regulatory changes. Investors are cautioned that any such statements are not guarantees of future performance and that actual results or developments may differ materially from those projected in the forward-looking statements. The forward-looking statements in this press release are made as of the date of this press release, even if subsequently made available by WPX Energy on its website or otherwise. WPX Energy does not undertake and expressly disclaims any obligation to update the forward-looking statements as a result of new information, future events or otherwise. Investors are urged to consider carefully the disclosure in our filings with the Securities and Exchange Commission, available from us at WPX Energy, Attn: Investor Relations, P.O. Box 21810, Tulsa, Okla., 74102, or from the SEC’s website at www.sec.gov.

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WPX Energy, Inc.Media Contact:Kelly Swan, 539-573-4944orInvestor Contact:David Sullivan, 539-573-9360