High Island Offshore System, L.L.C.

Third Revised Volume No. 1

 Contents / Previous / Next / Main Tariff Index

Effective Date: 04/07/1999, Docket: GT99- 17-000, Status: Effective

Original Sheet No. 183 Original Sheet No. 183 : Effective

FORM OF OPERATIONAL BALANCING AGREEMENT

(Continued)

EXHIBIT 1

OPERATIONAL BALANCING AGREEMENT

BETWEEN HIGH ISLAND OFFSHORE SYSTEM, L.L.C.

and _______________________________

Dated __________________

Name of Interconnect Point: ____________________________

Effective dates of this statement (nomination period)

From: ____________ To: ____________

(Other Company)

HIOS Transportation Transportation Daily

Contract Customer Contract Customer Allocation

Number Name Number Name Dth/Day

-------- -------------- --------------- ---------- ----------

Operational Imbalance _______

Total Deliveries/Receipts at Interconnect Point _______

Agreed to this ____ day of __________________, ____.

HIGH ISLAND OFFSHORE SYSTEM, L.L.C.

_________________________ By ________________________

___________________________

________________________ By ________________________