Portland Natural Gas Transmission System

Second Revised Volume No. 1

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Effective Date: 09/01/2006, Docket: RP06-449-000, Status: Effective

Original Sheet No. 518 Original Sheet No. 518 : Effective

IN WITNESS WHEREOF, the parties hereto have caused this Contract to be

duly executed in several counterparts by their proper officers thereunto duly

authorized, as of the date first hereinabove written.

ATTEST: PORTLAND NATURAL GAS TRANSMISSION SYSTEM

By

ATTEST: [NAME OF SHIPPER]

By