Northern Border Pipeline Company

First Revised Volume No. 1

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

Fifth Revised Sheet No. 207A Fifth Revised Sheet No. 207A : Effective

Superseding: Fourth Revised Sheet No. 207A

GENERAL TERMS AND CONDITIONS

1. DEFINITIONS (Continued)

o The term "Contract Dekatherm-miles" relative to a Shipper's

Rate Schedule T-1 or Rate Schedule T-1B Service shall mean the

number calculated by (a) multiplying Shipper's Maximum Receipt

Quantity by the number of miles of Company's pipeline, as

shown on Exhibit A to the Service Agreement, (b) converting

such product from (a) to Dekatherm-miles by multiplying by the

Posted Btu Factor, and (c) multiplying the product in (b) by

the number of days for a respective time period (i.e. monthly,

annually, or for the term of the Service Agreement).