IL RATE SCHEDULE
               INTERRUPTIBLE LOAN SERVICE
                       (Continued)


           (d) Fuel Reimbursement.  The amount of Gas for fuel and
losses determined in accordance with Section 19 of the General
Terms and Conditions of this FERC Gas Tariff and set forth in
Exhibit A of Customer's Hub Services Agreement.


           (e) Regulatory Fees and Charges.  Customer shall
reimburse TRES PALACIOS for all fees and charges, as required by
the Commission or any other regulatory body, that are related to
service provided under this Rate Schedule, as set forth in the Hub
Services Agreement.


           (f) Taxes. Customer shall reimburse TRES PALACIOS for
all applicable taxes as may be assessed TRES PALACIOS, as set
forth in Section 15 of the General Terms and Conditions of this
FERC Gas Tariff and in Exhibit A of the Hub Services Agreement.


4.      INVOICE
    Each invoice for Interruptible loan service shall reflect the
applicable charges set forth under Section 3 of this Rate Schedule
at rates and terms set forth in Exhibit A of Customer's Hub
Services Agreement.


5.      TERM


    The term for service under this Rate Schedule shall be as set
forth in Exhibit A of the Customer's Hub Services Agreement.


6.      AUTHORIZATION, RATES, TERMS AND CHANGES


    6.1   The Hub Services Agreement and the respective
obligations of the parties hereunder are subject to all valid
laws, orders, rules and regulations of duly constituted
authorities having jurisdiction, and are conditioned upon the
issuance, by FERC, and any state or local governmental agency
having jurisdiction, of requisite authorization for TRES PALACIOS
to provide the loan service contemplated hereby and to construct
and operate the Gas storage facilities necessary to provide such
loan service and for any connected pipeline to transport Gas
to/from the Point(s) of Receipt/Delivery necessary to effect the
loan service provided for herein.


    6.2   TRES PALACIOS shall have the right to propose to FERC or
any other governing regulatory body such changes in its rates and
terms of service as it deems necessary, and the Hub Services
Agreement shall be deemed to include any changes which are made
effective pursuant to order or regulation or provisions of law,
without prejudice to Customer's right to protest the same;
provided, however, that any market-based rates negotiated between
TRES PALACIOS and its Customer(s) shall remain in effect during
the term of Exhibit A of the Hub Services Agreement(s) specifying
such rates.