Williams Partners Selects Oct. 30 To Report Third-Quarter Financial Results

Williams Partners L.P. (NYSE: WPZ) plans to report its third-quarter 2012 financial results after the market closes on Tuesday, Oct. 30.

The earnings package to be released on Oct. 30 will include the news release; presentation on the quarterly results and outlook with audio commentary from Alan Armstrong, chief executive officer of Williams Partners’ general partner; data book; and analyst package.

The partnership will host the third-quarter Q&A live webcast on Wednesday, Oct. 31 at 11 a.m. EDT.

A limited number of phone lines will be available at [phone]. International callers should dial [phone]. A link to the live third-quarter webcast, as well as replays of the webcast in both streaming and downloadable podcast formats will be available for two weeks following the event at www.williamslp.com.

About Williams Partners L.P. (NYSE: WPZ)

Williams Partners L.P. is a leading diversified master limited partnership focused on natural gas transportation; gathering, treating, and processing; storage; natural gas liquid (NGL) fractionation; and oil transportation. The partnership owns interests in three major interstate natural gas pipelines that, combined, deliver 14 percent of the natural gas consumed in the United States. The partnership’s gathering and processing assets include large-scale operations in the U.S. Rocky Mountains and both onshore and offshore along the Gulf of Mexico. Williams (NYSE: WMB) owns approximately 67 percent of Williams Partners, including the general-partner interest. More information is available at www.williamslp.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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