Southwest Gas Storage Company

First Revised Volume No. 1

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Effective Date: 10/01/2007, Docket: RP07-684-000, Status: Effective

Second Revised Sheet No. 218 Second Revised Sheet No. 218 : Effective

Superseding: First Revised Sheet No. 218

FORM OF AGREEMENT

FOR MESSENGER

(Continued)

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 type or print name)

Messenger Subscriber:

__________________________________

By _______________________________

_______________________________

(Please type or print name)