Williams Partners, Shell and Nexen Reach Agreement on Deepwater Gulf Project

Williams Partners L.P. (NYSE: WPZ) announced today that it has reached an agreement with Shell Offshore Inc. (Shell) and Nexen Petroleum Offshore U.S.A. Inc. (Nexen) to provide deepwater gas gathering services to the Appomattox development, located 80 miles offshore from the nearest shoreline in Louisiana, in approximately 7,200 feet of water. Shell is 79 percent owner in the Appomattox development and is the operator; Nexen is 21 percent owner.

Williams Partners will provide offshore gas gathering services to its existing Transco lateral, which will provide transmission services onshore to its Mobile Bay processing facility. Williams Partners also plans to make modifications to its Main Pass 261 Platform and install an alternate delivery route for customers from the platform to the existing Destin Pipeline for transportation to another onshore processing facility.

“We’re pleased to expand our existing infrastructure to serve the growing needs of deepwater producers,” said Rory Miller, senior vice president of Williams Partners’ Atlantic-Gulf operating area. “This establishes Williams Partners as the first gas gathering system in a new geographic area with capacity available and opportunities for future tie-backs.”

The project is included in Williams Partners 2016 growth capital funding plan announced on January 25.

About Williams Partners

Williams Partners (NYSE: WPZ) is an industry-leading, large-cap natural gas infrastructure master limited partnership with a strong growth outlook and major positions in key U.S. supply basins and also in Canada. Williams Partners has operations across the natural gas value chain from gathering, processing and interstate transportation of natural gas and natural gas liquids to petchem production of ethylene, propylene and other olefins. Williams Partners owns and operates more than 33,000 miles of pipelines system wide – including the nation’s largest volume and fastest growing pipeline – providing natural gas for clean-power generation, heating and industrial use. Williams Partners’ operations touch approximately 30 percent of U.S. natural gas. Tulsa, Okla.-based Williams (NYSE: WMB), a premier provider of large-scale North American natural gas infrastructure, owns 60 percent of Williams Partners, including all of the 2 percent general-partner interest. www.williams.com

Portions of this document may constitute “forward-looking statements” as defined by federal law. Although the partnership believes any such statements are based on reasonable assumptions, there is no assurance that actual outcomes will not be materially different. Any such statements are made in reliance on the “safe harbor” protections provided under the Private Securities Reform Act of 1995. Additional information about issues that could lead to material changes in performance is contained in the partnership’s annual reports filed with the Securities and Exchange Commission.

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