Exhibit 99.5

Date:     Feb. 2, 2010

Williams Partners Initiates Private Debt Issuance

     TULSA, Okla. – Williams Partners L.P. (NYSE: WPZ) announced today it is initiating a private debt issuance to certain institutional investors.

     Williams Partners intends to use the net proceeds from the offering to fund the cash portion of the asset contribution transaction with Williams (NYSE: WMB) that was announced on Jan. 19. Please see the news release from that day for details.

     The notes to be offered have not been registered under the Securities Act of 1933 and may not be offered or sold in the United States absent registration or an applicable exemption from registration requirements.

     This press release does not constitute an offer to sell or the solicitation of an offer to buy such notes and is issued pursuant to Rule 135c under the Securities Act of 1933.

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

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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.