Transcontinental Gas Pipe Line Company, LLC, a wholly owned subsidiary of Williams Partners L.P. (WPZ), announced that it is offering senior notes to certain institutional investors. The notes will be offered pursuant to certain exemptions from registration under the Securities Act of 1933, as amended.

Transco intends to use $325 million of the net proceeds from the offering to repay its $325 million of 8.875-percent notes due 2012, upon their maturity on July 15. The remainder of the net proceeds will be used for general corporate purposes, including capital expenditures.

The offering of the notes has not been registered under the Securities Act or applicable state securities laws. The notes may not be offered or sold in the United States absent registration or an applicable exemption from such registration requirements.