Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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Effective Date: 03/13/2009, Docket: RP09-356-001, Status: Effective

Substitute Eighth Revised Sheet No. 232 Substitute Eighth Revised Sheet No. 232

Superseding: Eighth Revised Sheet No. 232

GENERAL TERMS AND CONDITIONS (Continued)

10. ALLOCATION OF UNCOMMITTED CAPACITY (Continued)

requested date for commencement of service.

10.2.2 A request(s) for uncommitted firm capacity that has been

accepted by Transporter pursuant to Subsection 10.2 for posting

may be modified or withdrawn by the requesting Shipper(s) anytime

during the bid period.

10.2.2.1 If no bid is posted, requesting Shipper may

modify the request to change the commencement date, the

termination date and/or the requested capacity through the

end of the first (1st) business day of the bid period.

After the first (1st) business day of the bid period through

the end of the bid period, the requesting Shipper may change

the termination date and/or the requested capacity.

10.2.2.2 After a bid is posted, requests may be modified

to extend the termination date and/or increase the requested

capacity through the bid period. If a request is withdrawn

after a bid has been posted, such requesting Shipper will

only be permitted to submit a bid in accordance with

Subsection 10.3 in which the net present value is greater

than the net present value of the withdrawn request.

10.2.3 Transporter may, in the exercise of its reasonable

discretion, and on a nondiscriminatory basis, waive the posting

requirement to allow requests for uncommitted firm capacity to be

posted earlier than one (1) year or six (6) months, in advance of

the date for commencement of service, as described in Subsection

10.2.1. Transporter shall maintain a record of all such waivers

granted to an affiliate. Such record shall include the basis for

Transporter granting the waiver and shall be posted on

Transporter's Interactive Website.

10.3 Bidding on request(s) for uncommitted firm capacity will open

with the electronic posting of requests for such firm service and will

remain open through the earlier of five (5) business days following the

electronic posting of such request(s) or 5:00 p.m. (Central Clock Time)

on the fourth (4th) business day prior to the commencement date.