Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 07/04/2001, Docket: RP01-446-000, Status: Effective

Third Revised Sheet No. 765 Third Revised Sheet No. 765 : Effective

Superseding: Second Revised Sheet No. 765

EXHIBIT____

ELECTRONIC DATA INTERCHANGE TRADING PARTNER AGREEMENT

DATED___________________

TO BE EFFECTIVE_____________________________(date)

7. Terms and Conditions: (If no special terms and conditions have been

agreed upon, enter "None.")

______________________________________________________________

8. Data Retention: (If no special data retention procedures have been

agreed upon, enter "None.")

______________________________________________________________

9. Limitation on Direct Damages: (If no limitation has been agreed upon,

enter "None.")

______________________________________________________________

10. Confidential Information: (See Section 3.4: If no limitation has been

agreed upon, enter "None.")

______________________________________________________________

The undersigned do hereby execute this Exhibit pursuant to the

Agreement attached and do hereby ratify said Agreement for all

purposes set forth in this Exhibit.

Company Name:___________________ Company Name:____________________

By:_____________________________ By:______________________________

Printed Name:___________________ Printed Name:____________________

Title:__________________________ Title:___________________________