Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

Effective Date: 02/20/2009, Docket: RP09-227-000, Status: Effective

First Revised Sheet No. 259A First Revised Sheet No. 259A

Superseding: Original Sheet No. 259A

GENERAL TERMS AND CONDITIONS

Continued)

22.2 CAPACITY RELEASE GENERAL PROVISIONS (Continued)

may specify the MDQs it wishes to release at each Receipt

Point and the MDDOs it wishes to release at each Delivery

Point.

(4) A Rate Schedule TF-2 Shipper may only release the

Annual Contract Quantity and Contract Demand set forth in

its executed Service Agreement that is unused. The unused

Annual Contract Quantity is such Shipper's Annual Contract

Quantity reduced by the amount of transportation service

received by such Shipper during the same twelve-month period

ending September 30 through the effective date of the

release. In addition, the amount of Contract Demand

available for release will be the Shipper's Contract Demand

multiplied by a factor derived by dividing such Shipper's

unused Annual Contract Quantity by its Annual Contract

Quantity.

(5) A Releasing Shipper can segment its firm capacity

under a Rate Schedule TF-1 or Rate Schedule TFL-1 Service

Agreement by posting a release of such firm capacity from

any physical Receipt Point to any physical delivery point

subject to availability of capacity at and between the

designated points.

(6) Any Replacement Shipper or Prearranged Replacement

Shipper which has previously contracted for released

capacity may also release the capacity to another party,

thereby becoming a Releasing Shipper, subject to the

notification and bidding requirements of this Section 22.

(b) Shippers releasing firm storage rights shall be subject to

the notification and bidding requirements set forth in Section 22.

Unless otherwise specified by the Releasing Shipper, Rate Schedule

SGS-2F storage capacity will be released as one package which

includes the storage injection and withdrawal rights and the

associated storage capacity rights. In addition, the Rate

Schedule SGS-2F Releasing Shipper must specify the level of

Working Gas Quantity associated with the release for the purpose

of calculating Unavailable Working Gas. Unless otherwise

specified by the Releasing Shipper, Rate Schedule LS-2F storage

capacity can only be released as one package which includes the

storage liquefaction and vaporization rights and associated