Northern Natural Gas Company                                           Fifth Revised Sheet No. 66B.07
FERC Gas Tariff                                                                           Superseding
Fifth Revised Volume No. 1                                            Fourth Revised Sheet No. 66B.07



46/ Shipper shall pay Northern's maximum reservation rates plus $0.0606/Dth/day beginning 06/01/2008
    and such rate shall extend for a five year period.

    In addition to the above rate(s), Shipper shall pay a commodity rate equal to the maximum rates
    provided in Northern's FERC Gas Tariff. These rates include the applicable Annual Charge
    Adjustment and electric compression charges.

    In addition to the above rate(s), Shipper shall provide any applicable fuel use and unaccounted
    for.

    In addition to the above rate(s), Shipper shall pay (a) the FERC approved Carlton surcharge, if
    applicable, and (b) all FERC approved surcharges that are made effective after the effective
    date of this Amendment and applicable to the service provided hereunder.

    The negotiated rate is amended for the period 9/01/2008 through 05/31/2012 to increase the
    negotiated rate by $0.0788/Dth/day.

47/ For the period 07/01/2008 through 06/30/2018, for the contract MDQ, Shipper shall pay a
    total monthly reservation charge equal to $0.7207/Dth multiplied by the contract MDQ
    multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the minimum
    rate provided in Northern's FERC Gas Tariff as amended from time to time.  These rates
    include the applicable Annual Charge Adjustment and electric compression charges.

    In addition to the above rate(s), Shipper shall provide any applicable fuel use and
    unaccounted for.

    In addition to the above rates, Shipper shall pay (i) the FERC approved Carlton surcharge
    and (ii) all FERC approved surcharges that are made effective after the effective date of
    this Amendment and applicable to the service provided hereunder.

48/ For the period 07/01/2008 through 07/15/2008, for the contract MDQ, Shipper shall pay a
    base reservation rate equal to $0.0000/DTH/day, and a commodity rate equal to the maximum
    rate provided in Northern's FERC Gas Tariff. These rates include the applicable Annual Charge
    Adjustment and electric compression charges.

    For the period 07/16/2008 through 08/31/2018, for the contract MDQ, Shipper shall pay a
    total monthly reservation rate equal to $0.4583/DTH multiplied by the contract MDQ
    multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum
    rate provided in Northern's FERC Gas Tariff as revised from time to time. These rates
    include the applicable Annual Charge Adjustment and electric compression charges.

    For the period 07/16/2008 through 08/31/2008, the contract MDQ shall be 0 DTH/day.

    For the month of September 2008, Shipper shall pay an additional reservation charge equal to a
    one-time total of $202,915.00.

    In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted
    for.

    In addition to the above rate(s), Shipper shall pay (i) the FERC approved Carlton surcharge
    and (ii) all FERC approved surcharges that are made effective after the effective date of
    this Amendment and applicable to the service provided hereunder.







Issued by: Mary Kay Miller, V.P. Regulatory & Government Affairs
Issued on: February 27, 2009                                                Effective: March 1, 2009