Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

Effective Date: 08/01/2009, Docket: RP09-684-000, Status: Effective

Third Revised Sheet No. 147 Third Revised Sheet No. 147

Superseding: Second Revised Sheet No. 147

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

19. PRIORITY OF SERVICE, SCHEDULING AND NOMINATIONS (Continued)

19.4 Nominations (Continued)

19.4(b) Nomination Cycles

In accordance with NAESB Standard 1.3.2, Version 1.8, GTN will

utilize the following standard nomination cycles:

(i) THE TIMELY NOMINATION CYCLE:

11:30 a.m. (CCT) (9:30 a.m. PCT) nominations leave control of the

nominating party;

11:45 a.m. (CCT) (9:45 a.m. PCT) receipt of nominations by GTN

(including from Title Transfer Tracking Service Providers

(TTTSPs));

12:00 noon (CCT) (2:00 p.m. PCT) GTN sends Quick Response;

3:30 p.m. (CCT) (1:30 p.m. PCT) receipt of completed

confirmations by GTN from upstream and downstream connected

parties;

4:30 p.m. (CCT) (2:30 p.m. PCT) receipt of scheduled quantities

by shipper and point operator (central clock time on the day

prior to flow).

(ii) THE EVENING NOMINATION CYCLE:

6:00 p.m. (CCT) (4:00 p.m. PCT) nominations leave control of the

nominating party;

6:15 p.m. (CCT) (4:15 p.m. PCT) receipt of nominations by GTN

(including from TTTSPs);

6:30 p.m. (CCT) (4:30 p.m. PCT) GTN sends Quick Response;

9:00 p.m. (CCT) (7:00 p.m. PCT) receipt of completed

confirmations by GTN from upstream and downstream connected

parties;

10:00 p.m. (CCT) (8:00 p.m. PCT) GTN provides scheduled quantities

to affected shippers and point operators, and provides scheduled

quantities and notice to bumped parties. Advance notice to bumped

parties shall be provided by telephone, facsimile, or electronic

mail, at the shipper's option. (Continued)