Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 02/25/2009, Docket: RP09-259-000, Status: Effective

Fifth Revised Sheet No. 179B Fifth Revised Sheet No. 179B

Superseding: Fourth Revised Sheet No. 179B

GENERAL TERMS AND CONDITIONS (Continued)

1. DEFINITION OF TERMS (Continued)

1.54 The term "Segmentation" means the ability of Shipper holding a

contract for firm transportation service to subdivide such service into

segments and to use those segments for different firm transportation

transactions (segmented transaction). Shipper may effect segmentation

by nominating a number of discrete transportation combinations (points

of receipt to points of delivery) that shall have both the point of

receipt and the point of delivery listed in Shipper's Firm

Transportation Service Agreement.

1.55 The term "Segmented Capacity" means the firm capacity of a

Shipper that has been subdivided into individual segments, with the

capacity of each such segment not to exceed the capacity included in the

currently effective Firm Transportation Service Agreement.

1.56 The term "NAESB" means the Wholesale Gas Quadrant of the North

American Energy Standards Board.

1.57 The term "Recourse Rate" means the maximum rate for a specific

Rate Schedule under the Notice of Currently Effective Rates contained in

this Tariff.

1.58 The term "Point Operator" means any party or party's designee who

is responsible for and has control of the physical operation of the

facilities interconnected with Transporter.

1.59 The term "Controlling Party" means Point Operator or Point

Operator's designee, as designated in writing by all applicable parties,

who is responsible for confirmations, pre-determined allocations, and/or

has the ability to enter into a ROBA with Transporter.

1.60 The term "Asset Management Arrangement (AMA)" means any pre-

arranged release to an asset manager that contains a condition that the

releasing shipper may call upon the replacement shipper to deliver to,

or purchase from, the releasing shipper a volume of gas up to 100

percent of the daily contract demand of the released transportation or

storage capacity.

1.61 The term "State-regulated Retail Access Program" means any pre-

arranged capacity release to a marketer that will be utilized by the

replacement shipper to provide the gas supply requirement of retail

consumers pursuant to a retail access program approved by the state

agency with jurisdiction over the local distribution company that

provides delivery service to such retail consumers.