Northern Natural Gas Company                                           First Revised Sheet No. 66B.29
FERC Gas Tariff                                                                           Superseding
Fifth Revised Volume No. 1                                                  Original Sheet No. 66B.29




84/ For the period 11/01/2009 through 10/31/2010, Shipper shall pay a total monthly reservation charge
    equal to $0.3590 (negotiated rate) 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 amended from
    time to time. These rates include the applicable Annual Charge Adjustment and electric compression
    charges.

    The rates stated are applicable to the primary receipt and (or) delivery points (POI) as of the date of this
    Amendment. Shipper agrees that if any other delivery points are used on a primary or alternate basis or any
    other receipt points are used on a primary basis, the rates set forth therein will not be applicable and the
    greater of Northern's maximum rate or the negotiated rate, with the exception of the commodity
    rate which will be Northern's minimum commodity rate, will apply for the entire contract MDQ for the month
    any other points are used.

    In addition to the above rate(s), Shipper shall pay all legally permissible tariff surcharges and provide
    any applicable fuel use and unaccounted for at the tariff fuel rate, as revised from time to time.
    Notwithstanding any other provision hereof, Shipper shall have the right to use any other Market Area
    Receipt Point on an alternate basis without modification to the rate structure established hereby.

    Primary Receipt Point - GRLKS/NNG Grand Rapids     Primary Delivery Point - Mesabi Nugget Plant
 






































Issued by: Mary Kay Miller, V.P. Regulatory & Government Affairs
Issued on: March 31, 2010                                                   Effective: April 1, 2010