Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 11/02/1998, Docket: RP99- 2-000, Status: Effective

Second Revised Sheet No. 238 Second Revised Sheet No. 238 : Effective

Superseding: First Revised Sheet No. 238

GENERAL TERMS AND CONDITIONS (Continued)

13. INTERRUPTION (Continued)

service) associated with the affected portion(s) of

Transporter's system for all firm gathering, storage

and/or transportation services, respectively.

13.1.1.2 The individual allocations of capacity

shall be determined by dividing the relevant

quantities, as described above, for a firm gathering,

storage and/or transportation Shipper by the sum of the

relevant quantities of all firm service Shippers

obtaining the respective service through the facilities

where capacity is constrained. The resulting factor

shall be multiplied by the available capacity to

determine the amount of capacity available to a

particular firm gathering, storage and/or

transportation Shipper.

13.2 Interruptible services: Any necessary reduction in, or

interruption of, service under an interruptible Service

Agreement, will be accomplished as described in Subsections 9.21

and 9.23 of these General Terms and Conditions.

13.3 Gathering services: The priority of service on

Transporter's gathering system for each gathering transaction

shall be established on the same basis as the priority of service

of the transportation service used to transport the gas from the

interconnection of the gathering facilities with Transporter's

transmission system.

13.4 In the event that capacity is restricted on a part, but

not all, of Transporter's system, interruptions will be limited

to those Shippers utilizing the part of the system on which the

restriction has occurred in the same manner as described above.

13.5 Protection of life and property: Transporter and Shipper

shall cooperate in making any adjustments, if possible, which may

be necessary to avoid or forestall irreparable injury to life or

property.

13.6 Liability for interruption: If service under this Tariff

is interrupted consistent with this Section 13, Transporter shall