Northern Natural Gas Company

Fifth Revised Volume No. 1

Effective Date: 11/01/2009, Docket: RP10-97-000, Status: Effective

Original Sheet No. 66B.29 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

85/ For the period 11/01/2009 through 03/31/2010:

Contract Total Quantity (CTQ) - 1,000,000 Dth

Daily Minimum Injection - 0 Dth

Daily Maximum Injection - 50,000 Dth

Daily Minimum Withdrawal - 0 Dth

Daily Maximum Withdrawal - 50,000 Dth

Minimum Inventory - (125,000) Dth

Maximum Inventory - 125,000 Dth

Monthly Minimum Injection - 0 Dth

Monthly Maximum Injection - 750,000 Dth

Monthly Minimum Withdrawal - 0 Dth

Monthly Maximum Withdrawal - 750,000 Dth

The Total Transaction Rate charged shall be as follows:

Injection Charge: $0.0149

Withdrawal Charge: $0.0149

Total Monthly Inventory Charges: $0.0887

Capacity Fee: $0.2000

Annual Rollover Charge: $0.0000

Total Transaction Rate: $0.3185

Notwithstanding the above, Shipper will be charged the Capacity Fee (CAP)/Dth as reflected above at a point

level on the absolute inventory balance(s) any time a positive or negative balance(s) is created in

Shipper's account. In addition, Shipper will be charged the CAP/Dth as reflected above at a point level on

the absolute beginning month inventory balance(s). The total cost commitment of this Agreement is equal to

$0.00.

The CTQ may be used at any storage point listed on Sheet No. 135D of Northern's FERC Gas Tariff.