Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 08/04/2006, Docket: RP06-427-000, Status: Effective

Second Revised Sheet No. 530 Second Revised Sheet No. 530 : Effective

Superseding: First Revised Sheet No. 530

FORM OF TRANSPORTATION SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE FTN-1 (Continued)

7. Changes in Rates and Terms. Nothing contained herein shall be

construed as affecting in any way the right of Transporter to make unilateral

changes in the applicable rates, charges, adjustments, terms, conditions,

tariffs and rate schedules pursuant to Section 4 of the Natural Gas Act, or

any other applicable statute, and the rules and regulations promulgated

thereunder. Shipper agrees to pay such rates as may be made effective

hereunder without prejudice to the rights of Shipper to contest such changes.

The rate for service hereunder shall be as listed on Exhibit "D" which is

attached hereto and made a part hereof.

8. Effective Date. This Service Agreement shall become effective on

(specific date or triggering event) _____________________.

9. Termination Date. This Service Agreement shall continue in full

force and effect for a term ending (specific date or term)__________________,

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.

10. Termination Obligations. Termination of this Service Agreement

shall not relieve Shipper of its obligation to pay money due hereunder to

Transporter for services rendered.

11. 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.)