Portland General Electric Company

Original Volume No. 1

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Effective Date: 12/03/2003, Docket: RP04- 48-003, Status: Effective

First Revised Sheet No. 60 First Revised Sheet No. 60 : Effective

Superseding: Original Sheet No. 60

GENERAL TERMS AND CONDITIONS

(Continued)

13. OPERATING CONDITIONS (Continued)

(c) Upstream Curtailment: If the Delivering Pipeline curtails or

interrupts deliveries of Shipper's gas to Transporter, transportation

by Transporter shall likewise be curtailed or interrupted and Shipper

will be responsible for arranging adjustments of transportation

quantities on all upstream pipelines.

(d) Balancing Nominations. Nominating Party shall similarly

nominate to Transporter's Nomination personnel the quantity of

natural gas to be used to balance Receiving Party Imbalances and

Shipper Imbalances, as defined in Section 14 hereof, and shall

schedule such balancing gas in accordance with Transporter's

nomination procedures, subject to available capacity. A nomination

request may include both daily nominations and balancing

nominations but such nominations must be separately identified so

that priorities of service can be maintained. To the extent

capacity is unavailable to meet all imbalance makeup requests,

Transporter will allocate available capacity pro rata based on

balancing nominations.