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. 686 Second Revised Sheet No. 686 : Effective

Superseding: First Revised Sheet No. 686

FORM OF SERVICE AGREEMENT

APPLICABLE TO RATE SCHEDULE PAL-1 (Continued)

3.3 Should Shipper fail to comply with such notification, such

applicable gas quantities shall be cleared pursuant to the

provisions of Subsection 2.3.3 of Rate Schedule PAL-1.

4. Points of Park and Loan. Shipper agrees to tender gas for

parking; Transporter agrees to tender gas for loan. Transporter further

agrees, on an interruptible basis, to accept receipt quantities or

provide delivery quantities (up to the Quantity) at the PAL point(s) on

Transporter's transmission system identified in Exhibit "A", attached

hereto and made a part hereof. Transporter agrees, on an interruptible

basis, to redeliver parked quantities to Shipper at the same PAL

point(s). Shipper agrees to deliver loaned quantities to Transporter at

the same PAL point(s).

5. Rate Schedule. Shipper shall each month pay Transporter for

service rendered at rates established pursuant to Transporter's Rate

Schedule PAL-1, or any effective superseding Rate Schedule on file with

the FERC. Such rates shall not be applicable to service provided

pursuant to Section 51 of the General Terms and Conditions of this

Tariff.

6. Incorporation by Reference. This Service Agreement in all

respects shall be subject to the provisions of Rate Schedule PAL-1 and

to the applicable provisions of the General Terms and Conditions of

Transporter's FERC Gas Tariff, Second Revised Volume No. 1 as such are

on file with the FERC (subject to such adjustments to the General Terms

and Conditions as may be made pursuant to Section 12 of this Service

Agreement), all of which are by reference made a part hereof.

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 rates for service hereunder shall

be as listed on Exhibit "A" which is attached hereto and made a part

hereof.