Williams Partners L.P. (NYSE: WPZ) has filed its Annual Report on Form 10-K for the year ended Dec. 31, 2014, with the Securities and Exchange Commission.

A copy of the Annual Report on Form 10-K is available to be viewed or downloaded at www.williams.com within the Williams Partners Investor Center. Upon request to its Investor Relations department, Williams Partners will send a hard copy of its complete audited financial statements to investors, free of charge.

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 – moving approximately 20 percent of U.S. natural gas for clean-power generation, home heating and industrial use. Tulsa, Okla.-based Williams (NYSE: WMB), a premier provider of large-scale North American natural gas infrastructure, owns 60 percent of Williams Partners, including the 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.