TULSA, Okla., Jan. 5 /PRNewswire-FirstCall/ -- Williams Partners L.P. (NYSE: WPZ) plans to report its year-end 2009 financial results before the market opens on Thursday, Feb. 18.

Management will discuss the results during a live webcast beginning at 11 a.m. EST the same day. Participants are encouraged to access the webcast at www.williamslp.com. Slides will be available for viewing, downloading and printing on the morning of Feb. 18.

A limited number of phone lines also will be available at (888) 487-0355. International callers should dial (719) 955-1564. Replays of the year-end webcast, in both streaming and downloadable podcast formats, will be available for two weeks at www.williamslp.com following the event.

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

Williams Partners L.P. is a publicly traded master limited partnership that owns natural gas gathering, transportation, processing and treating assets serving regions where producers require large scale and highly reliable services, including the Gulf of Mexico, the San Juan Basin in New Mexico and Colorado, and the Washakie Basin in Wyoming. The partnership also serves the natural gas liquids (NGL) market through its NGL fractionating and storage assets. The general partner is Williams Partners GP LLC. More information about the partnership is available at www.williamslp.com. Go to http://www.b2i.us/irpass.asp?BzID=1296&to=ea&s=0 to join our e-mail list.



    Contact:      Jeff Pounds
                  Williams (media relations)
                  (918) 573-3332

                  Sharna Reingold
                  Williams (investor relations)
                  (918) 573-2078

This press release may include "forward-looking statements" as defined by federal law. All statements, other than statements of historical facts, included in this press release that address activities, events or developments that the Partnership expects, believes or anticipates will or may occur in the future are forward-looking statements. These statements are based on certain assumptions made by the Partnership based on its experience and perception of historical trends, current conditions, expected future developments and other factors it believes are appropriate in the circumstances. Such statements are subject to a number of assumptions, risks and uncertainties, many of which are beyond the control of the Partnership, which may cause our actual results to differ materially from those implied or expressed by the forward-looking statements. 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.

SOURCE Williams Partners L.P.