Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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Effective Date: 12/01/2008, Docket: RP09-36-000, Status: Effective

Fifth Revised Sheet No. 232D Fifth Revised Sheet No. 232D

Superseding: Fourth Revised Sheet No. 232D

GENERAL TERMS AND CONDITIONS (Continued)

10. ALLOCATION OF UNCOMMITTED CAPACITY (Continued)

10.6 Transporter may enter into a pre-arranged Service Agreement with

any potential Shipper for available unsubscribed capacity that is

currently posted on Transporter's Interactive Website provided that

Transporter shall post the terms of the pre-arranged transaction in

accordance with the time periods specified in Subsection 10.3 herein and

potential Shippers will have an opportunity to bid on the capacity in

accordance with this Section 10. If a bidding Shipper(s) has been

determined to be the successful potential Shipper, the pre-arranged

Shipper shall have until the earlier of twenty-four (24) hours from

notification or 9:30 a.m. (Central Clock Time) on the first business day

prior to the requested commencement date to match or exceed the net

present value per unit of demand of the higher bid. If the pre-arranged

Shipper elects not to match or exceed a higher competing bid, the

capacity shall be awarded in accordance with Subsection 10.4 of these

General Terms and Conditions.

10.6.1 Capacity that is reserved under a pre-arranged

transaction will be made available for firm service on a limited term

basis up to the commencement date of the pre-arranged Service Agreement

in accordance with Subsections 10.1, 10.2, 10.3 and 10.4 of these

General Terms and Conditions. For such limited term service,

Transporter reserves the right to limit Shipper rollover rights and

rights of first refusal in accordance with Section 24, if, and to the

extent that, such rights would permit the limited term Shipper to extend

its service beyond the commencement date of the pre-arranged Service

Agreement. Transporter will indicate in a posting any limitations on

such rights that will apply to such limited term transportation service.

10.7 Transporter may elect to reserve, for future expansion projects,

uncommitted firm transportation capacity or capacity under expiring or

terminating Service Agreements where such agreements do not have a right

of first refusal or Shipper does not exercise its right of first

refusal. Transporter may only reserve capacity for a future expansion

project for which an open season has been held or will be held within

one (1) year of the date Transporter posts such capacity as being

reserved. If Transporter elects to reserve capacity for future

expansion projects under this Subsection, such capacity may be reserved

for up to one year prior to Transporter filing for certificate approval

for construction of the proposed expansion under Section 7 of the

Natural Gas Act, and thereafter until such expansion is placed into

service. Capacity that is reserved for a future expansion project will

be made available for firm service on a limited term basis up to the

commencement date of the expansion project Service Agreement in

accordance with Subsections 10.1, 10.2, 10.3 and 10.4 of these General

Terms and Conditions. For such limited term service, Transporter

reserves the right to limit Shipper rollover rights and rights of first