Northern Natural Gas Company

Fifth Revised Volume No. 1

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Effective Date: 06/01/2009, Docket: RP96-272-092, Status: Effective

Eighth Revised Sheet No. 66B.04 Eighth Revised Sheet No. 66B.04

Superseding: Seventh Revised Sheet No. 66B.04

29/ For the period 11/1/2007 through 10/31/2022, for the contract MDQ, Shipper shall pay a total monthly

reservation charge equal to $0.5080/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 amended from time to time. These rates include the applicable Annual Charge Adjustment and

electric compression charges. In addition to the above rates, Shipper shall pay any applicable fuel

use and unaccounted for.

In addition to the above rates, Shipper shall pay the FERC approved Carlton surcharge and all FERC

approved surcharges that are made effective after the effective date of this Amendment and applicable

to the service provided hereunder.

30/ For the period 11/1/2007 through 10/31/2019, Shipper shall pay a monthly reservation charge equal to

$0.3465/Dth/day 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.

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

In addition to the above rates, Shipper shall pay all FERC approved surcharges that are effective

after the effective date of this Amendment and applicable to the service provided hereunder.

31/ For the period 11/1/2007 through 10/31/2012, for the contract MDQ, Shipper shall pay a total monthly

reservation charge equal to $0.5634/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 amended from time to time. These rates include the applicable Annual Charge Adjustment and

electric compression charges. In addition to the above rates, Shipper shall pay any applicable fuel

use and unaccounted for.

In addition to the above rates, Shipper shall pay the FERC approved Carlton surcharge and all FERC

approved surcharges that are made effective after the effective date of this Amendment and applicable

to the service provided hereunder.

32/ For the period 11/1/2009 through 10/31/2010, for the contract MDQ, Shipper shall pay a total monthly

reservation rate equal to the annual average maximum rate (currently $0.2401/Dth/day) 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. These rates include the applicable Annual Charge

Adjustment and electric compression charges.

For the period 11/01/2009 through 03/31/2010, Shipper shall pay an overrun rate for total deliveries

up to 8,000/DTH/Day at NNG FIELD/MKT DEMARCATION-16B (POI #37654) equal to: (i) $0.3684/DTH/day for

receipts from PVR SPEARMAN RESIDUE (POI #78924); and/or (ii) $0.3573/DTH/day for receipts from

CONNECT/NNG C LINE (POI #1309).

For the period 04/01/2010 through 10/31/2010, Shipper shall pay an overrun rate for total deliveries

up to 8,000/DTH/day at NNG FIELD/MKT DEMARCATION-16B (POI #37654) equal to: (i) $0.2244/DTH/day for

receipts from PVR SPEARMAN RESIDUE (POI #78924); and/or (ii) $0.2133/DTH/day for receipts from

CONNECT/NNG C LINE (POI) #1309).

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

33/ For the period 11/1/2007 through 10/31/2017, Shipper shall pay a total monthly reservation charge

equal to $0.4329/Dth/day 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. In addition to the above rate(s), Shipper shall pay any applicable fuel use and

unaccounted for.

In addition to the above rates, Shipper shall pay all FERC approved surcharges that are made

effective after the effective date of this Amendment and applicable to the service provided

hereunder.