0001336047-12-000010 Sample Contracts

AMENDMENT NO. 6
Amendment No. 6 • February 22nd, 2012 • Boardwalk Pipeline Partners, LP • Natural gas transmission • New York

AMENDMENT NO. 6, dated as of January 19, 2012 (this “Amendment”), by and among BOARDWALK PIPELINES, LP, a Delaware limited partnership (the “Parent Borrower”), TEXAS GAS TRANSMISSION, LLC, a Delaware limited liability company (“Texas Gas”), and GULF SOUTH PIPELINE COMPANY, LP, a Delaware limited partnership (“Gulf South” and, together with the Parent Borrower and Texas Gas, the “Borrowers”), severally as Borrowers, BOARDWALK PIPELINE PARTNERS, LP, a Delaware limited partnership (the “MLP”), the Lenders party hereto, and WELLS FARGO BANK, N.A. (as successor to Wachovia Bank, National Association), as administrative agent for the Lenders and the Issuers (in such capacity, the “Administrative Agent”).