Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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

First Revised Sheet No. 554 First Revised Sheet No. 554 : Effective

Superseding: Original Sheet No. 554

FORM OF TRANSPORTATION SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE ST-1 (Continued)

The transportation rates for service hereunder shall be as listed in

Exhibit "B" which is attached hereto and made a part hereof.

7. Effective Date. This Service Agreement shall become effective

on _________________________.

8. Termination Date. This Service Agreement shall continue in

full force and effect for a term ending _____________________________,

unless Transporter terminates service prior to that date pursuant to the

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

or other applicable authority.

9. Termination Obligations. Termination of this Service Agreement

shall not relieve Transporter and Shipper of the obligation to correct or

cash-out, as applicable, any quantity imbalances hereunder or Shipper of

the obligation to pay money due hereunder to Transporter for services

rendered.

10. Cancellation of Prior Contracts. When this Service Agreement

becomes effective, it shall supersede and cancel the following contract(s)

between the Parties hereto:

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