Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 01/01/1999, Docket: RP98-104-004, Status: Effective

First Revised Sheet No. 378 First Revised Sheet No. 378 : Effective

Superseding: Sheet No. 378

GENERAL TERMS AND CONDITIONS (Continued)

48. POOLING SERVICE (Continued)

48.3.3 Nominations to and from a designated pool must

balance daily. If volumes nominated by receipt point for

aggregation in a designated pool each day do not match

volumes scheduled and confirmed for delivery that day from

the pool, Transporter shall schedule the lower volume.

48.3.4 Nominations between pooling areas are not

permitted except as provided in Subsection 48.3.1 herein.

Transfers between Pooling Parties are not permitted.

48.4 Scheduling and Interruption Priority of Service: For

purposes of scheduling and interruption, the firm capacity rights

of each pool shall be based on the associated receipt point

MDRQ's of the downstream executed transportation Service

Agreement(s), each as adjusted pursuant to the CAP.

48.4.1 Scheduling and interruption priorities for

transportation from an associated receipt point(s) to the

designated pool shall be based on the downstream executed

transportation Service Agreement used to deliver gas from

the pool to the ultimate delivery point(s) in accordance

with the priority of service listing in Subsections 9.20 and

9.21 of these General Terms and Conditions.

48.4.2 Scheduling and interruption priorities for

transportation from a non-associated receipt point(s) to a

designated pool shall be based on the executed

transportation Service Agreement used to deliver gas to the

designated pool in accordance with the priority of service

listing in Subsections 9.20 and 9.21 of these General Terms

and Conditions.

48.4.3 Scheduling and interruption priorities for

transportation from a designated pool to the ultimate

delivery point(s) shall be based on the executed

transportation Service Agreement used to deliver gas from

such pool to the ultimate delivery point(s) in accordance

with the priority of service listing in Subsections 9.20 and

9.21 of these General Terms and Conditions.