Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

Effective Date: 04/30/2010, Docket: RP10-550-000, Status: Effective

Second Revised Sheet No. 220 Second Revised Sheet No. 220

Superseding: First Revised Sheet No. 220

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

34. ELECTRONIC COMMUNICATIONS (Continued)

34.5 Electronic Data Interface

GTN shall maintain an electronic data interface ("EDI")

as required by the standards for electronic delivery mechanisms

promulgated by NAESB and incorporated in Paragraph 40 of this

tariff. EDI is available to any party with access to

compatible equipment for electronic communication and

transmission of data in accordance with the NAESB standards.

Access to GTN's EDI system is obtained by contacting GTN at the

following location:

Gas Transmission Northwest Corporation

Commercial Services

717 Texas Street, Suite 2400

Houston, Texas 77002-2761

35. Reserved

(Continued)