Trunkline Gas Company, LLC

Third Revised Volume No. 1

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Effective Date: 10/01/2007, Docket: RP07-670-000, Status: Effective

Second Revised Sheet No. 518 Second Revised Sheet No. 518 : Effective

Superseding: First Revised Sheet No. 518

FORM OF AGREEMENT (Continued)

FOR MESSENGER

IN WITNESS WHEREOF, the parties hereto have caused this

agreement to be signed by their respective Presidents, Vice Presidents

or other duly authorized agents the day and year first above written.

PANHANDLE EASTERN PIPE LINE COMPANY, LP

TRUNKLINE GAS COMPANY, LLC

SEA ROBIN PIPELINE COMPANY, LLC

TRUNKLINE LNG COMPANY, LLC

SOUTHWEST GAS STORAGE COMPANY

By _____________________________

________________________________

(Please print or type name)

Messenger Subcriber:

________________________________

By ____________________________

________________________________

(Please print or type name)