Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

Effective Date: 10/06/2003, Docket: RP04- 23-000, Status: Effective

Original Sheet No. 308 Original Sheet No. 308 : Effective

FORM OF SERVICE AGREEMENT

APPLICABLE TO ELECTRONIC DATA INTERFACE

4.2. Severability. Any provision of this Agreement which is

determined to be invalid or unenforceable will be ineffective to

the extent of such determination without invalidating the

remaining provisions of this Agreement or affecting the validity

or enforceability of such remaining provisions.

4.3. Entire Agreement. This Agreement and Appendix A constitute

the complete agreement of the parties relating to the matters

specified in this Agreement and supersede all prior

representations or agreements, whether oral or written, with

respect to such matters. No oral modification or waiver of any

of the provisions of this agreement shall be binding on either

party. No obligation to enter into any Transaction is to be

implied from the execution or delivery of this Agreement. This

Agreement is solely for the benefit of, and shall be binding

solely upon, the parties, their agents and their respective

successors and permitted assigns. This Agreement is not intended

to benefit and shall not be for the benefit of any party other

than the parties hereto and no other party shall have any right,

claim or action as a result of this Agreement.

4.4. Governing Law; Dispute Resolution. User agrees that the

laws of the State of California, without giving effect to choice

of law provisions, shall govern the interpretation and

enforcement of this Agreement. Any dispute or controversy

arising from this Agreement or from the operation of the EDI

Process, whether arising in tort, contract or otherwise,

including any claims for punitive or exemplary damages, shall be

submitted by the parties to binding arbitration for resolution.

4.4.1. Notice of a dispute or controversy by GTN or User

shall be made in writing, delivered to the other party, by means of a

written demand containing the substance of the party's dispute or

claim and requesting resolution by binding arbitration.

(Continued)