Northern Border Pipeline Company

First Revised Volume No. 1

Effective Date: 01/16/2008, Docket: RP08-128-000, Status: Effective

First Revised Sheet No. 299A First Revised Sheet No. 299A : Effective

Superseding: Original Sheet No. 299A

GENERAL TERMS AND CONDITIONS

34. OPERATIONAL BALANCING AGREEMENT POLICY (Continued)

34.2 Policy (Continued)

e) The OBA parties will regularly reconcile scheduled

nominations during a given Production Month. A mutually

agreed upon scheduled nomination summary must be completed

as soon as practical after each Production Month end.

f) The monthly metered flow data for such interconnection

will be determined and communicated by the Measurement

Party in writing as soon as possible to the other OBA

party.

g) The OBA parties at such interconnection may temporarily

suspend the OBA in accordance with the terms thereof if

either party discovers or anticipates extraordinary

circumstances, such as significant interruption of

transportation service, severe weather, or some other event

which affects the gas supplies available for delivery at

the interconnection.

h) A mutually agreeable commencement and termination date,

cancellation clause and other specific language

applicable to Company.

An OBA party is permitted to discharge an operational

imbalance at a given Point of Interconnection utilizing

one of the Shipper Imbalance methods set forth in

Subsection 23.32.