U-T Offshore System, L.L.C.

Third Revised Volume No. 1

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Effective Date: 06/01/1997, Docket: RP97-146-001, Status: Effective

Second Revised Sheet No. 5 Second Revised Sheet No. 5 : Superseded

Superseding: First Revised Sheet No. 5

SCHEDULE OF SHIPPERS AND LIST OF CONTRACT DEMANDS

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

OR MAXIMUM DAILY QUANTITIES

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

Currently

Effective

Contract

Revised Demand or

Effective Original Maximum

Date of Term of Contract Daily

Shipper Contract Contract Demand Quantities

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

Petrofina Gas

Pipeline Co. 9-25-87 15 years 1/ 12,000 Mcf 12,708 Dth

Aquila Energy

Marketing Corp. 5-1-90 4 years 134,997 Mcf 21,180 Dth

_________________________

1/ The term of the contract is 15 years from the date of initial deliveries under the May 1, 1978

transportation agreement between the High Island Offshore System and Northern Natural Gas Company.

(Northern assigned to Petrofina certain rights to firm transportation service originally covered

by such May 1, 1978 agreement.)