Williams Partners L.P. Announces Filing of its Annual Report on Form 10-K

TULSA, Okla., Feb. 25 /PRNewswire-FirstCall/ -- Williams Partners L.P. (NYSE: WPZ) has filed its Annual Report on Form 10-K for the year ended Dec. 31, 2009, with the Securities and Exchange Commission.

A copy of the Annual Report on Form 10-K is available to be viewed or downloaded on the partnership's website at www.williamslp.com. 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 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 12 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 84 percent of Williams Partners, including the general-partner interest.  More information is available at www.williamslp.com. Go to http://www.b2i.us/irpass.asp?BzID=1296&to=ea&s=0 or http://www.b2i.us/irpass.asp?BzID=630&to=ea&s=0 to join our e-mail list.

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.