High Island Offshore System, L.L.C.

Third Revised Volume No. 1

Effective Date: 11/27/2005, Docket: RP06- 53-000, Status: Effective

First Revised Sheet No. 57 First Revised Sheet No. 57 : Effective

Superseding: Original Sheet No. 57

FORM OF TRANSPORTATION AGREEMENT

(For Use Under Transporter's Rate Schedule IT)

THIS, AGREEMENT, made and entered into as of _________________, by and between

HIGH ISLAND OFFSHORE SYSTEM, L.L.C. (Transporter), a general partnership created under

the laws of the State of Delaware, and, _____________________________________ (Shipper),

a ________________________ corporation,

W I T N E S S E T H:

WHEREAS, Shipper desires to have gas transported on an interruptible basis in

the High Island Offshore System, L.L.C. from offshore Texas and Louisiana on its behalf;

and

WHEREAS, Transporter may have interruptible capacity available to provide

transportation of gas on behalf of Shipper.

NOW, THEREFORE, in consideration of the premises and the mutual covenants herein

contained, the parties do covenant and agree as follows:

ARTICLE I

1.1 Obligation to Transportation. Commencing with the date of initial deliveries

hereunder, Transporter shall receive at the Points of Receipt hereunder for the

account of Shipper all Gas, together with Associated Liquids, which Shipper may

cause to be delivered to it up to Shipper's Maximum Daily Quantity (MDQ) as set

forth in Exhibits A and B hereof, and shall be obligated to deliver for the

account of Shipper on an interruptible basis at the Point or Points of Delivery

hereunder Equivalent Volumes in the manner and subject to the conditions

hereinafter set forth.

1.2 Term. This Agreement shall become effective on ___________, ___. After this

Agreement becomes effective it shall continue in full force and effect for a

period of ______________ from the effective date of such Agreement and from year

to year thereafter until this Agreement is terminated as provided in Article I,

Section 1.3 or until the dissolution of Transporter.

1.3 Termination. Either party may elect to terminate this Agreement as of the end

of said __________ period or as of the end of any succeeding extended annual

period by giving written notice to the other party of such election not less

than 90 days prior to the termination date designated in such notice.