Williams Partners Completes $750 Million Offering Of Senior Notes

Williams Partners L.P. (NYSE: WPZ) today announced that it has completed a public offering of $750 million of its 3.35-percent senior notes due 2022 at a price of 99.975 percent of par.

Williams Partners plans to use the net proceeds from the offering to repay amounts outstanding under the partnership’s credit facility and for general partnership purposes.

UBS Investment Bank, RBS Securities Inc., Wells Fargo Securities, Credit Agricole Securities (USA) Inc. and RBC Capital Markets acted as joint book-running managers for the offering.

This news release is neither an offer to sell nor a solicitation of an offer to buy any of these securities and shall not constitute an offer, solicitation or sale in any jurisdiction in which such offer, solicitation or sale is unlawful. A copy of the prospectus supplement and related base prospectus may be obtained on the Securities and Exchange Commission website at www.sec.gov or from the underwriters by contacting:

UBS Investment Bank299 Park AvenueNew York, NY 10171Attention: Prospectus SpecialistPhone: 877-827-6444, ext. 561 3884

RBS Securities Inc.600 Washington BoulevardStamford, CT, 06901, USAAttn: Corporate Debt Syndicate

Wells Fargo Securities1525 West W.T. Harris Blvd., NC0675,Charlotte, NC 28262Attn: Capital Markets Client SupportPhone: 1-800-326-5897Email: [e-mail]

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 SEC.

Copyright Business Wire 2010