Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 05/11/2009, Docket: RP09-506-000, Status: Effective

Eighth Revised Sheet No. 179A Eighth Revised Sheet No. 179A

Superseding: Seventh Revised Sheet No. 179A

GENERAL TERMS AND CONDITIONS (Continued)

1. DEFINITION OF TERMS (Continued)

content to be used as the numerator of the fraction described above at

each of the various points of receipt and delivery on a daily basis via

an electronic communication mechanism. For purposes of ADQ and ARQ, CAP

shall mean a procedure whereby the relevant firm capacity in equivalent

dkt specified in the applicable Service Agreement is multiplied by a

fraction, the numerator of which is the weighted average Btu content per

cubic foot of the deliveries or receipts, as applicable, rendered to

Shippers during the contract year and the denominator of which is 1,000.

1.48 The term "Pooling Party" means any party who has submitted a

complete Pooling Request Form, as set forth in Subsection 7.10 of these

General Terms and Conditions, that has been accepted by Transporter to

utilize the pooling service set forth in Section 48 of these General

Terms and Conditions. A party will be considered a Pooling Party only

for purposes of transportation from an associated receipt point(s), as

defined in Subsection 48.2 of these General Terms and Conditions, to a

designated pool. For all other purposes, the party will be considered a

Shipper as defined in Subsection 1.40 of these General Terms and

Conditions.

1.49 The term "pooling point" means any of the twelve points set

forth in Subsection 48.2 of these General Terms and Conditions where gas

can be nominated for aggregation and/or disaggregation. Pooling

point(s) shall be considered a logical receipt and/or delivery point(s),

as applicable.

1.50 The term "PAL point" shall refer to those points on

Transporter's system where an Interconnecting Pipeline Operational

Balancing Agreement (OBA) is in effect.

1.51 The term "Parked Quantity" means the amount of gas received on

any day by Transporter for Shipper's account at each specified PAL

point(s) under an executed Service Agreement.

1.52 The term "Loaned Quantity" means the amount of gas loaned on any

day by Transporter for Shipper's account at each specified PAL point(s)

under an executed Service Agreement.

1.53 The term "Segment" means that portion of the transmission

system, consisting of a point of receipt and point of delivery, that

lies at or between the primary point of receipt and primary point of

delivery of a Shipper's currently effective Service Agreement. For

purposes of this Tariff, such points are those physical points which are

available for nomination by Shipper pursuant to Shipper's executed Firm

Transportation Service Agreement.