Williams Partners Delays Third-Quarter Financial Results Due to Financial Market Disruptions Caused by Hurricane Sandy

• Partnership Reports No Major Operational Impact from Storm

TULSA, Okla.--(BUSINESS WIRE)--Williams Partners L.P. (NYSE:WPZ) announced today that the partnership is delaying issuing its third-quarter 2012 financial results and subsequent Q&A live webcast with investors and analysts due to the disruption to financial markets caused by Hurricane Sandy.

The partnership was previously scheduled to release its third-quarter results after the close of market today and then host a live Q&A webcast and conference call with investors and analysts tomorrow.

Williams Partners now plans to release its third-quarter financial results tomorrow, Oct. 31, after the close of trading on the New York Stock Exchange. The partnership’s live webcast/conference call with investors and analysts is scheduled to follow on Thursday, Nov. 1 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.

Should the NYSE not re-open as scheduled tomorrow, the partnership may re-evaluate the timing of releasing its third-quarter financial results.

Operational Update

Williams Partners’ facilities and operations in the northeastern United States have reported no major disruptions from Hurricane Sandy. The Transco interstate gas pipeline is operating without any significant issues with the exception of minor communication outages at some metering facilities in the Northeast. Several of the partnership’s gathering and processing facilities in the Northeast were shut down temporarily due to power outages and storm-related producer shut-ins.

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 66 percent of Williams Partners, including the general-partner interest. More information is available at www.williamslp.com, where the partnership routinely posts important information.

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.