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HOUSTON, Feb 17, 2010 (BUSINESS WIRE) -- Boardwalk Pipeline Partners, LP (NYSE: BWP) (the "Partnership") today announced the commencement of a secondary public offering of 10,000,000 common units owned by Boardwalk Pipelines Holding Corp., which indirectly wholly owns the Partnership's general partner and is a wholly owned subsidiary of Loews Corporation. The underwriters are expected to be granted a 30-day option to purchase up to 1,500,000 additional common units.

The Partnership will not receive any of the proceeds from this offering and the number of outstanding common units of the Partnership will remain unchanged. The offering will be made under the Partnership's effective shelf registration statement on Form S-3, filed with the Securities and Exchange Commission.

Barclays Capital, BofA Merrill Lynch, Citi, Morgan Stanley, UBS Investment Bank and Wells Fargo Securities are acting as joint book-running managers for the common unit offering.

A copy of the preliminary prospectus supplement and accompanying base prospectus relating to this offering, when available, may be obtained from:

• Barclays Capital, c/o Broadridge, Integrated Distribution Services, 1155 Long Island Ave. Edgewood, NY 11717. By telephone at (888) 603-5847 or by email at barclaysprospectus@broadridge.com;
• BofA Merrill Lynch, 4 World Financial Center, New York, NY 10080, Attn: Preliminary Prospectus Department or email Prospectus.Requests@ml.com;
• Citi, Brooklyn Army Terminal, Attn: Prospectus Dept., 140 58th Street, 8th floor, Brooklyn, NY 11220. By telephone: (800) 831-9146 or by email at batprospectusdept@citi.com;
• Morgan Stanley, Attn: Prospectus Department, 180 Varick Street, 2^nd Floor, New York, NY 10014. By telephone at (866) 718-1649 or by email at prospectus@morganstanley.com;
• UBS Investment Bank, Attn: Prospectus Department, 299 Park Avenue, New York, NY 10171. By telephone at (888) 827-7275; or
• Wells Fargo Securities, Attn: Equity Syndicate Dept., 375 Park Avenue, New York, NY 10152. By telephone at (800) 326-5897 or by email at equity.syndicate@wachovia.com.

This press release does not constitute an offer to sell or a solicitation of an offer to buy any securities nor shall there be any sale of these securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. The offer is being made only through the prospectus supplement and accompanying base prospectus, which is part of a registration statement that became effective on March 5, 2007.

Boardwalk Pipeline Partners, LP, is a limited partnership engaged, through its subsidiaries, Gulf Crossing Pipeline Company LLC, Gulf South Pipeline Company, LP, and Texas Gas Transmission, LLC, in the interstate transportation and storage of natural gas. Boardwalk's interstate natural gas pipeline systems have approximately 14,200 miles of pipeline and underground storage fields having aggregate working gas capacity of approximately 163 Bcf.

This press release contains forward-looking statements relating to expectations, plans or prospects for Boardwalk Pipeline Partners, LP and its subsidiaries. These statements are based upon the current expectations and beliefs of management and are subject to certain risks and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements. These risks and uncertainties include market conditions and other factors beyond the company's control and the risk factors and other cautionary statements discussed in Boardwalk's filings with the U.S. Securities and Exchange Commission.

SOURCE: Boardwalk Pipeline Partners, LP

Boardwalk Pipeline Partners, LP
Allison McLean, 866-913-2122
Director of Investor Relations
or
Jamie Buskill, 713-479-8082
Senior VP, Chief Financial Officer and Treasurer