Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 02/01/2000, Docket: RP00-165-000, Status: Effective

Second Revised Sheet No. 358 Second Revised Sheet No. 358 : Effective

Superseding: First Revised Sheet No. 358

GENERAL TERMS AND CONDITIONS (Continued)

39. TRANSITION COST RECOVERY MECHANISMS (Continued)

relieved of its obligation to pay its otherwise

applicable reservation charge surcharges by a FERC or

court order.

39.3.3.7 Payment - Transporter shall include the

applicable surcharges to Shipper(s) pursuant to this

Section 39.3.3 in the monthly billing statements

rendered to Shipper(s) pursuant to the Billings and

Payments provisions of the applicable General Terms and

Conditions of this Tariff.

39.3.4 Determination of Gas Supply Realignment Cost

Charges (For Filings Submitted to FERC After August 26,

1997) - Shippers served under Transporter's firm Rate

Schedule(s) contained in Transporter's FERC Gas Tariff,

Second Revised Volume No. 1 (Applicable Firm Shippers),

shall be responsible for paying Transporter the following

percent (firm portion) of the Gas Supply Realignment

Transition Costs (GSR Costs) incurred by Transporter as a

result of implementing Order No. 636, et seq., plus

appropriate interest, through a reservation charge

surcharge(s) developed pursuant to this Subsection 39.3.4.

Such firm portion shall be determined by dividing the

applicable firm Rate Schedule(s) Maximum Daily Delivery

Quantity(s) (MDDQ) utilized in developing the rates in

effect at the time Transporter files for recovery of such

GSR costs by the sum of the applicable firm Rate Schedule(s)

MDDQ's and equivalent IT-1 MDDQ's utilized in developing the

rates in effect at the time Transporter files for recovery

of such GSR costs. The reservation charge surcharge(s)

shall be applied to each MDDQ billing quantity under the

applicable firm Rate Schedule(s) for each month such

Applicable Firm Shipper's Service Agreement is in effect.

The remaining percent (interruptible portion) of the GSR

Costs incurred by Transporter, plus appropriate interest,

will be recovered through inclusion in the rate applicable

to interruptible transportation Shippers served under

Transporter's Rate Schedule IT-1 contained in this Tariff

(Applicable Interruptible Shippers).