Sea Robin Pipeline Company, LLC

Second Revised Volume No. 1

Effective Date: 05/17/2009, Docket: RP09-520-000, Status: Effective

Second Revised Sheet No. 355 Second Revised Sheet No. 355

Superseding: First Revised Sheet No. 355

FORM OF AGREEMENT

FOR MESSENGER®

This agreement, executed this _____ day of _____________, _____,

by and between _________________________________ ("Messenger®

Subscriber"), and Panhandle Eastern Pipe Line Company, LP, Trunkline Gas

Company, LLC, Sea Robin Pipeline Company, LLC, Trunkline LNG Company, LLC

and Southwest Gas Storage Company ("Pipeline"), witnesseth that for and

in consideration of the mutual covenants and provisions herein contained

and subject to all of the terms, provisions and conditions herein set

forth, Messenger® Subscriber and Pipeline do hereby agree as follows:

ARTICLE I

SCOPE OF AGREEMENT

Pipeline shall make available for use by Messenger® Subscriber

Pipeline's computerized electronic communication service, the Messenger®

system. Messenger® Subscriber may at its option use the Messenger®

system to: (1) execute a contract for new service under applicable Rate

Schedules; (2) execute an amendment of an existing Service Agreement;

and (3) nominate quantities for receipt and delivery by Pipeline

pursuant to an existing Service Agreement under any of Pipeline's Rate

Schedules. Messenger® Subscriber may also use the Messenger® system to

request and receive from Pipeline such other information as Pipeline may

from time to time make available to Messenger® Subscriber through the

Messenger® system.

ARTICLE II

TERMS AND CONDITIONS

Messenger® Subscriber's use of the Messenger® system shall be in

accordance with and subject to Pipeline's currently effective FERC Gas

Tariff, including any and all applicable provisions of the General Terms

and Conditions (the "General Terms and Conditions") and the terms and

conditions of any relevant Rate Schedules which appear in Pipeline's

currently effective FERC Gas Tariff, all of which terms and conditions

are expressly incorporated by reference herein.