Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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

Second Revised Sheet No. 729 Second Revised Sheet No. 729 : Effective

Superseding: First Revised Sheet No. 729

OPERATIONAL BALANCING AGREEMENT (Continued)

To Williston Basin:

All Notices and Statements:

Williston Basin Interstate Pipeline Company

Attention: Contracts

Mail: P.O. Box 5601

Bismarck, North Dakota 58506-5601

Delivery: 1250 West Century Avenue

Bismarck, ND 58503

To ______________:

___________________________________________

ARTICLE VII

MISCELLANEOUS

7.1 Headings - The headings contained in this Agreement are for

reference purposes only and shall not affect the meaning or interpretation of

this Agreement.

7.2 Governmental Regulation - This Agreement is subject to present

and future valid orders of duly constituted authorities having jurisdiction

over the subject matter thereof. Upon cessation of such jurisdiction or

control, all rights and obligations set forth in this Agreement shall continue

in effect.

ARTICLE VIII

ASSIGNMENT

8.1 Assignment - This Agreement may not be assigned by either of the

Parties without first obtaining the written consent of the other Party,

provided that such consent shall not be unreasonably withheld.

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