Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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Effective Date: 05/21/2010, Docket: RP10-621-000, Status: Effective

Seventh Revised Sheet No. 259 Seventh Revised Sheet No. 259

Superseding: Sixth Revised Sheet No. 259

GENERAL TERMS AND CONDITIONS (Continued)

17. FIRM CAPACITY RELEASE MECHANISM (Continued)

such storage capabilities on an aggregate storage basis.

Shipper(s) desiring to acquire all or a portion of any released

firm storage service must have, or be able to acquire, the

necessary transportation capacity from Transporter, if

Transporter's transportation facilities are to be used. If a

Replacement Shipper intends to use a transportation service

provided by another pipeline directly connected to Williston

Basin's storage fields, then the Releasing Shipper shall be

allowed to release its storage capabilities on a storage field

specific basis. In such case, Transporter shall be obligated to

inform the Releasing Shipper of the corresponding storage field

specific MSCQ, FCQ, and MSIQ capable of being released in

conjunction with the MSDQ being released.

17.7 A Releasing Shipper may bring a deal to Transporter for capacity

such Shipper intends to release pursuant to Subsections 17.5.1 and

17.5.2.1. All of the procedures described in this Section 17 will also

apply to a deal except that:

17.7.1 Except for those deals excluded from bidding in

accordance with Subsection 17.5.2.2, Releasing Shipper must post

for bidding any deal with a term that is greater than 31 days but

less than the maximum rate, in accordance with Subsections 17.3

and 17.4 hereof. Such firm capacity release information will be

posted on Transporter's Website pursuant to the provisions of

Section 8 of these General Terms and Conditions to determine if

other Shippers are willing to offer better terms and conditions.

17.7.1.1 In the event the Releasing Shipper does not

specify an evaluation method for determining the best of the

valid bids, a net present value per unit of demand

calculation will be used as described in Subsection 10.4 of

these General Terms and Conditions. For volumetric

releases, the volumetric rate(s) will be converted into the

equivalent monthly Reservation/Demand rate in order to

calculate a net present value per unit of demand as

described in Subsection 10.4 of these General Terms and

Conditions.

17.7.1.2 If the deal is at less than the maximum rate and

if no better bid than that included in the deal is received,

Transporter will contract with the potential