Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

Effective Date: 07/30/2008, Docket: RP09-213-000, Status: Effective

First Revised Sheet No. 189 First Revised Sheet No. 189

Superseding: Original Sheet No. 189

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

28. CAPACITY RELEASE (Continued)

28.7 Allocation of Parcels (Continued)

(a) Primary Allocation (Continued)

If Releasing Shipper does not specify an option for

determining best bid, Option 2 will be the default

option used.

Under all options, GTN will evaluate and rank

all bids for Parcels.

(b) Right of First Refusal

In the event of a Prearranged Shipper's bid for a Parcel,

pursuant to the methodology specified by the Releasing

Shipper, if the bid submitted by a subsequent Replacement

Shipper exceeds the value of the Prearranged Shipper's

bid, the Prearranged Shipper will be allowed to match the

higher valued bid. The Prearranged Shipper will be

allowed a match period, as specified in Section 28.8, to

match the higher valued bid, otherwise, the allocation

will be awarded to subsequent Replacement Shipper(s) in

accordance with the primary and secondary allocation

mechanisms.

To the extent there is more than one Replacement

Shipper submitting a winning bid, the Parcel shall be

allocated based on one of the following tie-breaker

methodologies to be selected by the Releasing

Shipper: pro rata, lottery, or order of submission

(first come/first serve).

(Continued)