Northern Natural Gas Company

Fifth Revised Volume No. 1

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

Second Revised Sheet No. 66B.06 Second Revised Sheet No. 66B.06

Superseding: First Revised Sheet No. 66B.06

43/ For the period 04/22/2008 through 10/31/2012, Shipper shall pay a volumetric reservation rate

equal to $0.0800/Dth multiplied by the daily volumes delivered pursuant to this Agreement

greater than or equal to 22,001 Dth up to and including 26,000 Dth. Northern shall have the

unilateral right with 60 days advance written notice to convert this volumetric entitlement to

maximum tariff rates. If Northern provides such notice, Shipper shall have the unilateral right

to reduce the volumetric MDQ of this Agreement by up to 4,000 Dth/day by providing Northern

written notice within 30 days of Northern's notice, such reduction to be effective at Shipper's

election as of the date of Shipper's written notice or 60 days following the date of Northern's

notice.

In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity 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), (ii) provide any

applicable fuel use and unaccounted for, and (iii) pay all FERC approved surcharges applicable

to the service provided hereunder.

44/ For the period 04/22/2008 through 10/31/2012, Shipper shall pay a volumetric reservation rate

equal to $0.0800/Dth multiplied by the daily volumes delivered pursuant to this Agreement

greater than or equal to 2,001 Dth up to and including 54,000 Dth. Northern shall have the

unilateral right with 60 days advance written notice to convert this volumetric entitlement to

maximum tariff rates. If Northern provides such notice, Shipper shall have the unilateral right

to reduce the volumetric MDQ of this Agreement by up to 52,000 Dth/day by providing Northern

written notice within 30 days of Northern's notice, such reduction to be effective at Shipper's

election as of the date of Shipper's written notice or 60 days following the date of Northern's

notice.

In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity 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), (ii) provide any

applicable fuel use and unaccounted for, and (iii) pay all FERC approved surcharges applicable

to the service provided hereunder.