Williams Partners Announces Equity Offering

Williams Partners L.P. intends to commence an underwritten public offering of 6.6 million common units representing limited partner interests.

The underwriters have been granted a 30-day option to purchase up to an additional 990,000 common units to cover over-allotments, if any.

Williams Partners plans to use the net proceeds of the offering to fund a portion of the purchase price for its acquisition of a 25.1 percent interest in Williams Four Corners LLC, a subsidiary of The Williams Companies, Inc., which at closing will own natural gas gathering, processing and treating assets in the San Juan Basin in Colorado and New Mexico.

Lehman Brothers, Inc. and Citigroup Global Markets, Inc. are the joint book- running managers for the offering. In addition, A.G. Edwards & Sons, Inc., Merrill Lynch, Pierce, Fenner & Smith Inc., Wachovia Capital Markets, LLC, RBC Capital Markets Corp., and Raymond James & Associates, Inc. will act as co-managers for the offering.