Williams Partners Announces Garden State Expansion Placed Into Service

Williams Partners L.P. (NYSE: WPZ) announced today that it has placed into service the facilities constructed as part of Phase 2 of the Garden State Expansion Project, an expansion of the Transco pipeline system designed to deliver 180,000 dekatherms a day of additional natural gas capacity to New Jersey Natural Gas. Phase 1 of the project was placed into service in September 2017.

“The Garden State project highlights our continued execution on projects designed to enhance existing infrastructure, ensuring a reliable supply of clean energy to meet our customers’ natural gas needs,” said Alan Armstrong, chief executive officer of Williams Partners’ general partner. “As demonstrated by this continued high-level of demand, Williams Partners is well-positioned to serve the natural gas needs of markets up and down the eastern United States - ensuring consumers continue to benefit from reliable, affordable, American-made energy.”

The project provides firm transportation from Transco’s Zone 6 Station 210 Pooling Point in Mercer County, N.J. to a new interconnection on its Trenton Woodbury Lateral in Burlington County, N.J. It consisted of the installation of a new compressor station, meter and regulating station in Burlington County, N.J., in addition to modifications and the addition of compression at an existing Transco compressor station in New Jersey.

New Jersey Natural Gas provides service to more than half a million customers in New Jersey’s Monmouth, Ocean, Morris, Middlesex, Sussex and Burlington counties.

Transco, the nation’s largest-volume and fastest-growing interstate natural gas pipeline system, is a wholly owned subsidiary of Williams Partners L.P. Transco delivers natural gas to customers through its 10,200-mile pipeline network whose mainline extends nearly 1,800 miles between South Texas and New York City. The system is a major provider of cost-effective natural gas services that reaches U.S. markets in 12 Southeast and Atlantic Seaboard states.

About Williams Partners

Williams Partners 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. Williams Partners has operations across the natural gas value chain including gathering, processing and interstate transportation of natural gas and natural gas liquids. 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 U.S. natural gas infrastructure, owns approximately 74 percent of Williams Partners.

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. Additional information about issues that could lead to material changes in performance is contained in the partnership’s annual and quarterly reports filed with the Securities and Exchange Commission.

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Williams Partners L.P.Media Contact:Christopher Stockton, 713-215-2010orInvestor Contact:Brett Krieg, 918-573-4614