Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 01/01/2001, Docket: RP01-170-000, Status: Effective

Fifth Revised Sheet No. 61A Fifth Revised Sheet No. 61A : Effective

Superseding: Fourth Revised Sheet No. 61A

RATE SCHEDULE ST-1

SMALL CUSTOMER

FIRM TRANSPORTATION SERVICE (Continued)

3. TRANSPORTATION SERVICE CHARGES (Continued)

3.3 Commodity Charge: Shipper shall be charged an amount

obtained by multiplying the unit commodity rate set forth in the

Service Agreement by the quantity of gas in dkt delivered

(exclusive of any overrun volumes) each month by Transporter for

Shipper's account at the point(s) of delivery. The commodity

charges hereunder are subject to adjustment pursuant to the Gas

Technology Institute General Research, Development and

Demonstration Funding Unit Adjustment Provision, the Federal

Energy Regulatory Commission Annual Charge Adjustment Provision

and the Take-or-Pay Buyout and Buydown Cost Recovery Mechanisms,

in Sections 40, 41, 36 and 37 of the General Terms and

Conditions. Where quantities of gas to be transported hereunder

are gathered through Transporter's gathering facilities, Shipper

shall be charged an additional commodity amount obtained by

multiplying the unit gathering rate set forth in the Service

Agreement by the quantity of gas in dkt received each month by

Transporter for Shipper's account at the point(s) of receipt into

Transporter's gathering facilities.

(The rest of this sheet has been intentionally left blank.)