Northern Natural Gas Company

Fifth Revised Volume No. 1

Effective Date: 03/01/2009, Docket: RP96-272-088, Status: Effective

Second Revised Sheet No. 66B.05 Second Revised Sheet No. 66B.05

Superseding: First Revised Sheet No. 66B.05

37/ For the period 04/01/2008 through 03/31/2018, for the contract MDQ, Shipper shall pay a

total monthly reservation rate equal to $0.3367/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. In

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

unaccounted for.

The negotiated rate stated above is applicable to all receipt and delivery points in

Northern's Market Area; provided, however, if the negotiated rate stated herein becomes

less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff,

such rate would be applicable only to the receipt and delivery points listed below. In such

event, if any other points are used either on a primary or alternate basis, the negotiated

rate will not be applicable and the annual average of the applicable maximum rate will

apply for the entire contract during the month that any points not listed are used.

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.