Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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

Tenth Revised Sheet No. 373 Tenth Revised Sheet No. 373

Superseding: Ninth Revised Sheet No. 373

GENERAL TERMS AND CONDITIONS (Continued)

48. POOLING SERVICE

48.1 Availability: Pooling is available on the basis set forth

herein for the aggregation of gas from a receipt point(s) to a single

logical pooling point on Transporter's system, and/or the disaggregation

of gas from a single logical pooling point on Transporter's system to a

delivery point(s).

48.1.1 A Pooling Party(ies) is not required to be a Shipper on

Transporter's system and/or hold an executed transportation

Service Agreement with Transporter to utilize the pooling service

set forth herein. A Pooling Party(ies) is required to submit a

Pooling Request Form provided on Transporter's Website under Other

Information via an electronic communication mechanism, facsimile,

mail or hand delivery.

48.1.2 For a Pooling Party(ies) who is not a Shipper, Sections

1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 16, 18, 23, 25, 26, 27, 29,

35 and 47 of these General Terms and Conditions will apply, as

applicable. In those instances, the term "Shipper" will be

synonymous with "Pooling Party" and the Pooling Party will be

subject to the applicable Tariff provisions.

48.2 Applicability and Character of Service: Pooling service

hereunder shall apply to all natural gas nominated to a designated pool,

as described in Subsection 48.2.1 herein, for aggregation and/or

disaggregation. A point identification number (Point ID No.) shall be

assigned to each designated pool for purposes of nominations to and/or

from each pool. All receipt points associated with a designated pool

(associated receipt points) are listed on the Pooling Point link

provided via Transporter's Website.

48.2.1 Eleven production area pools and one storage pool have

been established for the aggregation and/or disaggregation of

natural gas receipts:

48.2.1.1 Bowdoin Pool (Point ID No. 06000) - contains the

associated receipt points on Line Section 8.