Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 08/01/1997, Docket: RP97-410-000, Status: Effective

Fourth Revised Sheet No. 555 Fourth Revised Sheet No. 555 : Effective

Superseding: 2nd Sub Third Revised Sheet No. 555

FORM OF TRANSPORTATION SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE ST-1 (Continued)

11. Daily Nominations. Unless otherwise agreed, Shipper shall make

daily nominations in accordance with Section 9 of the General Terms and

Conditions of Transporter's FERC Gas Tariff, Second Revised Volume No. 1.

Transporter is not responsible for assuring that the nominated quantities are

actually tendered to Transporter at the point(s) of receipt or that

calculations of receipt quantities and delivery quantities developed for or by

Shipper are correct.

12. Notice of Operational Change. Transporter reserves the right to

require 24-hours' notice prior to any change in receipts or deliveries at

point(s) of receipt or point(s) of delivery.

13. Contract Path and Allocation Between Point(s) of Receipt and

Delivery. The contract path and, where deliveries are made at more than one

point, the allocation of MDRQ to be tendered at each point of receipt among

the various delivery point(s) shall be as specified on Exhibit "A" hereto.

14. Gas Processing. Transporter has the right under its FERC Gas

Tariff to accept gas for transportation that does not meet the applicable

quality specifications (contained in Section 4 of the General Terms and

Conditions of Transporter's FERC Gas Tariff) and make such changes as are

necessary to cause the gas to conform to such specifications. Shipper

represents that it has the full right and authority to allow the gas being

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