Columbia Gas Transmission, LLC
FERC Gas Tariff
Third Revised Volume No. 1

Original Sheet No. 17

                                        COLUMBIA GAS TRANSMISSION, LLC
                                            INDEX OF MARKET AREAS



                               MAP                           MARKET
                               NO.                          AREA NAME

                                1                           TOLEDO
                                2                           PARMA
                                3                           LIMA
                                4                           ALLIANCE
                                5                           COLUMBUS
                                6                           DAYTON
                                7                           SANDUSKY
                                8                           MANSFIELD
                                9                           OHIO MISCELLANEOUS
                               10                           CINCINNATI
                               11                           ABERDEEN
                               12                           LEXINGTON
                               13                           MANCHESTER
                               14                           WEST LIBERTY
                               15                           PORTSMOUTH
                               16                           LANCER
                               17                           LEWISBURG
                               18                           KY/WV MISCELLANEOUS
                               19                           CLENDENIN
                               20                           BINGHAMTON
                               21                           BUENA VISTA
                               22                           HANOVER
                               23                           EASTON
                               24                           WEST DEPTFORD
                               25                           LANCASTER
                               26                           BEDFORD
                               27                           CUMBERLAND
                               28                           CONOWINGO
                               29                           DOWNINGTOWN
                               30                           ROCKVILLE
                               31                           CHARLOTTESVILLE
                               32                           ELKINS
                               33                           RICHMOND
                               34                           NORFOLK
                               35                           PITTSBURGH
                               36                           OLEAN
                               37                           ERIE
                               38                           RIMERSBURG
                               39                           NEW CASTLE
                               40                           PA/WV MISCELLANEOUS



            A detailed description of each Market Area is posted on Transporter's Electronic 
            Bulletin Board.

Issued by: Claire A. Burum, SVP Regulatory Affairs
Issued on: February 3, 2009                   Effective on: March 3, 2009