Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 03/21/1999, Docket: RP99-230-000, Status: Effective

Second Revised Sheet No. 755 Second Revised Sheet No. 755 : Effective

Superseding: First Revised Sheet No. 755

ELECTRONIC DATA INTERCHANGE

TRADING PARTNER AGREEMENT (Continued)

Section 3. Terms

3.1. Transaction Terms and Conditions. This Agreement is intended

to facilitate Data Communications between the parties concerning

the transactions related to transportation or sales conducted

pursuant to underlying written agreements. In the event of conflict

between this Agreement and the subject underlying written

agreements, the terms and conditions of the underlying agreement(s)

shall control.

3.2 Terms and Conditions of Reports and Other Information. In the

absence of any other written agreement applicable to reports and

other information transmitted pursuant to this Agreement, such

reports and other information shall be subject to:

[A] those terms and conditions, including any terms for

payment, included in the Exhibit(s); and

[B] such additional terms and conditions as may be determined in

accordance with applicable law.

3.3 Change in Terms and Conditions. Notwithstanding Section 4.1

of this Agreement, if any party determines that Data Communications

under this Agreement are altered by a subsequent change to a party's

tariff or obligation imposed by a governmental entity exercising

jurisdiction over that party, then the affected party shall

give immediate notice defining which Data Communications under this

Agreement are affected, and the reasons therefore, and may provide

notice of termination of this Agreement as provided in Section 4.8,

effective immediately upon receipt of such notice by the other party

to this Agreement.

3.4. Confidential. No information contained in any Document or

otherwise exchanged between the parties shall be considered

confidential, except to the extent provided in Section 1.5 or in

the Exhibit(s), by written agreement between the parties, or by

applicable law.