Northern Border Pipeline Company

First Revised Volume No. 1

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Effective Date: 09/03/2004, Docket: RP04-441-000, Status: Effective

Original Sheet No. 480 Original Sheet No. 480 : Effective

EXHIBIT A

TO THE OPERATIONAL BALANCING AGREEMENT

BETWEEN

NORTHERN BORDER PIPELINE COMPANY (NBPL)

AND

_____________________________

DATED _____________

D-U-N-S(R)

OBA Party Name Number DRN No. Description

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(R) A registered trademark of Dun and Bradstreet Corporation.