Northern Natural Gas Company                                                13 Revised Sheet No. 263H
FERC Gas Tariff                                                                           Superseding
Fifth Revised Volume No. 1                                                  12 Revised Sheet No. 263H




                                                          SCHEDULE NO. 1A

                          NORTHERN NATURAL GAS COMPANY
                         MARKET AREA ENTITLEMENT - 1996
                   CARLTON VOLUMES SUBJECT TO FLOW OBLIGATIONS
                          FOR 2009/2010 HEATING SEASON

                                              Market
                                              Area             "Sourcer"                 Total
                                              Adjusted         New Carlton   Other       Carlton
                                              Peak Day         Resolution    Carlton     Flow
    Company                                   Entitlement      Obligation    Obligation  Obligation

    Al-Corn Clean Fuels                              0               0             90          90
    Archer Daniels Midland Company               7,000             562                        562
    Austin Utilities                            12,100             971                        971
    Black Hills Utility Holdings, Inc.         186,297          14,949            957      15,906
    Cardinal IG                                  7,116             571                        571
    Cargill, Incorporated                       12,375             993                        993
    CenterPoint Energy Minnesota Gas           789,735          63,370            227      63,597
    City of Duluth                              31,925           2,560                      2,560
    City of Everly                                 250              20                         20
    City of Fairbank                               450              36                         36
    City of Fremont                             10,000             802                        802
    City of Ponca, NE                              340              27                         27
    City of Two Harbors, MN                      2,430             195             25         220
    City of Virginia                             2,346             188            123         311
    Cliffs Natural Resources, Inc.                   0               0          3,357       3,357
    Flint Hills Resources, LP                   35,000           2,808                      2,808
    Great Plains Natural Gas Company            21,764           1,748              6       1,754
    Hibbing Public Utilities Commission              0               0             10          10
    Hutchinson Utility Commission               17,253             150                        150
    Interstate Power and Light Company         191,891          15,397                     15,397
    Jo Carroll Energy, Inc. (NPP)                3,100             249                        249
    LSP Cottage Grove, L.P.                     34,120           2,738                      2,738




    Note:  Reflects obligation after Appendix B customers' election to source or buyout.


















Issued by: Mary Kay Miller, V.P. Regulatory & Government Affairs
Issued on: August 12, 2009                                               Effective: November 1, 2009