Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 11/01/2010, Docket: RP10-1227-000, Status: Effective

Third Revised Sheet No. 255A Third Revised Sheet No. 255A

Superseding: Second Revised Sheet No. 255A

GENERAL TERMS AND CONDITIONS (Continued)

17. FIRM CAPACITY RELEASE MECHANISM (Continued)

17.5.1.1 For index-based capacity release transactions,

the Releasing Shipper should specify which one of the

following methods is acceptable for bidding on a given

index-based capacity release offer: 1) a percentage of the

formula, 2) a dollars and cents differential from the

formula, 3) a dollars and cents differential from the Rate

Floor, or 4) an approved methodology in Transporter’s

Tariff, if any. When bidding is based upon a dollars and

cents differential from the Rate Floor, the invoiced rate

for the award should be calculated as the greater of 1) the

result of the formula or 2) the Rate Floor plus the high

bid’s differential, both not to exceed Transporter’s maximum

reservation rate. The Releasing Shipper may specify another

method in the special terms and conditions, but the capacity

release offer may not be processed within the capacity

release timeline pursuant to NAESB WGQ Standard No. 5.3.2.

17.5.2 Permanent Release of Firm Capacity

17.5.2.1 For purposes of this Subsection 17.5.1,

permanent release means the release of firm capacity for the

remaining term of the Releasing Shipper's Service Agreement.

Capacity released under this Subsection 17.5.1 may not be

released on a volumetric basis. Section 24 of these General

Terms and Conditions defines the procedures applicable upon

termination of a Service Agreement.

17.5.2.2 All contract terms and receipt and delivery

points under the Service Agreement to be

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