Northwest Pipeline Corporation G P

Fourth Revised Volume No. 1

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Effective Date: 01/14/2010, Docket: RP10-256-000, Status: Effective

Seventh Revised Sheet No. 399A Seventh Revised Sheet No. 399A

Superseding: Sixth Revised Sheet No. 399A

NON-CONFORMING SERVICE AGREEMENTS (Continued)

Agreement/

Rate Amendment Date

Name of Shipper/Agreement No. Schedule Date Filed

--------------------------------------- -------- --------- --------

Puget Sound Energy, Inc. TF-1 03/05/07 05/01/09

(No. 135434) 03/10/09 (2)

Sempra Energy Trading LLC TF-1 11/10/09 09/30/09

(No. 137675)

Sempra Energy Trading LLC TF-1 10/27/09 (1) 11/05/09

(No. 137864)

Sierra Pacific Power Company TF-1 06/01/91 11/25/96

(No. 100046) 11/17/96 (1)

Sierra Pacific Power Company SGS-2F 04/18/01 12/18/09

(No. 126544)

Shell Energy North America (US), LP TF-2 05/01/06 05/05/06

(No. 134510)

Shell Energy North America (US), LP TF-1 09/23/09 09/30/09

(No. 137104)

Shell Energy North America (US), LP TF-1 10/28/09 11/05/09

(No. 137353)

Snohomish County PUD No. 1 TF-1 04/13/01 12/08/06

(No. 130980) 11/29/06 (2)

Southwest Gas Corporation TF-1 06/01/91 07/21/08

(No. 100048) 02/12/08

________________

(1) Amendment incorporates the non-conforming provisions.

(2) Original Service Agreement, as amended, was restated in the revised Form

of Service Agreement format on the listed date.