Northern Natural Gas Company

Fifth Revised Volume No. 1

Effective Date: 04/01/2009, Docket: RP96-272-089, Status: Effective

Original Sheet No. 66B.18 Original Sheet No. 66B.18

73/ For the period 04/01/2009 through 10/31/2009, Shipper shall pay a daily reservation rate for the

contract MDQ equal to a base rate of $0.05/DTH/day plus the arithmetic value obtained from the

formula [(A) times (B) times (C)] where (A) = The Midpoint price from "Gas Daily" at Northern,

Ventura minus the Midpoint price from "Gas Daily" Northern, Demarc but in no event less than zero;

(B) = The targeted % of primary to alternate (P to A) and alternate to primary (A to P) volumes

scheduled through Oakland for the Timely Nomination Cycle as posted for each gas day, except in

the event of any East Leg group Allocation upstream of the primary delivery point; and (C) =0.50.

In the event any East Leg group Allocation upstream of the primary delivery point occurs, (B)

shall equal the greater of (i) the targeted % of P to A and A to P volumes scheduled through the

applicable East Leg group(s) for the Timely Nomination Cycle as posted for each gas day multiplied

by (B) above or (ii) the % of actual volumes scheduled to non-Demarc delivery points under this

Agreement to the Contract MDQ during the Timely Nomination Cycle. The monthly rate will be the sum

of all daily rates from the formula above.

In addition to the above reservation rates, Shipper shall (i) pay a commodity rate equal to the

maximum commodity 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), (ii)

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

applicable to the service provided hereunder.

In addition, for overrun service, Shipper shall pay the maximum overrun rate set forth in

Northern's FERC Gas Tariff.

The rate stated herein is applicable to the receipt and (or) delivery points (POI) listed below.

Shipper agrees that if any other receipt or delivery points are used either on a primary or

alternate basis, the rates set forth herein will not be applicable and Shipper shall pay the

higher of the rate set forth above or Northern's maximum tariff rates for the entire contract for

the month any points not listed below are used.

Primary Receipt Points: NBPL/NNG Ventura Primary Delivery Points: ANR/NNG Janesville

Alternate Receipt Points: Demarc Deferred Delivery, MID 17 Storage Pooling Point, NNG Field/MKT

Demarcation, Ogden Deferred Delivery, Ventura Deferred Delivery Alternate Delivery Points:

Delivery points included in the Oakland allocation group.

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.