Northern Border Pipeline Company

First Revised Volume No. 1

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Effective Date: 01/01/2007, Docket: RP06- 72-003, Status: Effective

Sixth Revised Sheet No. 272 Sixth Revised Sheet No. 272 : Effective

Superseding: 2nd Sub Fifth Revised Sheet No. 272

GENERAL TERMS AND CONDITIONS

26. AWARDING OF AVAILABLE AND PLANNED PIPELINE CAPACITY (Continued)

26.4 Selection of Best Bid (Continued)

condition that a shipper must specify when making its

Bid whether it is willing to accept a pro rata portion

of its Bid capacity. In the event there is more than

one Best Bid for Bids of less than five months, the

capacity will be awarded on a first-come, first-served

basis.

26.5 Reservation of Capacity for Company's Expansion/Extension

Projects

Company may elect to reserve capacity required for a future

expansion/extension project out of unsubscribed capacity or

capacity under expiring Service Agreements where such

Agreements do not have a right of first refusal or Shipper

does not exercise its right of first refusal. Company may

only reserve capacity for a future expansion/extension

project for which an open season has been or will be held

within one year of the date that Company posts such

capacity as being reserved. Prior to reserving capacity

for an expansion/extension project, Company shall first

post for bid all of its available capacity on its web site

as set forth in Subsection 26.2 and award such capacity in

accordance with Subsections 26.2 through 26.4.

Capacity may be reserved for expansion/extension projects

only during a 12-month period prior to Company filing for

certificate approval for construction of proposed

expansion/extension facilities, and following the

certificate filing, only until all expansion/extension

facilities related to the certificate filing are placed

into service.

If Company reserves capacity for an expansion/extension

project, it will notify Shippers of its intent as part of

Company's posting of capacity on its Internet web site.

Company's posting for reserved capacity for future

expansion/extension projects shall include the following

information: (a) a description of the project for which

the capacity will be reserved; (b) the total quantity of

capacity to be reserved; (c) the location of the proposed