Portland Natural Gas Transmission System

Second Revised Volume No. 1

Effective Date: 08/01/2010, Docket: RP10-885-000, Status: Effective

First Revised Sheet No. 506 First Revised Sheet No. 506

Superseding: Original Sheet No. 506

ARTICLE VI - RATE SCHEDULES AND GENERAL TERMS AND CONDITIONS

This Contract and all provisions contained or incorporated herein are

subject to the provisions of Rate Schedule FT and of the General Terms and

Conditions of Transporter's Tariff, as such may be revised or superseded from

time to time, all of which by this reference are made a part hereof. The

General Terms and Conditions and Rate Schedule FT shall control in the event

of a conflict between the General Terms and Conditions or Rate Schedule FT and

this Contract. All of the terms defined in Transporter's Tariff shall have

the same meaning wherever used in this Contract.

ARTICLE VII - TERM

1. This Contract shall be effective as of [ INSERT DATE ].

2. This Contract shall continue in force and effect until

[expiration date], and Year to Year thereafter unless terminated by either

party upon twenty-four (24) Months prior written notice to the other;

provided, however, that if the FERC authorizes Transporter to abandon service

to Shipper on an earlier date, this Contract shall terminate as of such

earlier date.

3. The termination of this Contract by expiration of fixed Contract

term or by termination notice provided by Shipper triggers pregranted

abandonment under Section 7 of the Natural Gas Act as of the effective date of

the termination.

4. Any provision of this Contract necessary to correct imbalances or

to make payment under this Contract as required by the Tariff will survive the

other parts of this Contract until such time as such balancing or payment has

been accomplished.