RATE SCHEDULE FS
                                 FIRM STORAGE
                                  (Continued)
   
   
      8.2   EXECUTION OF SERVICE AGREEMENT.  Once the provisions of this
            Section 8 are satisfied, and as a condition precedent to
            receiving service pursuant to a capacity release, Replacement
            Customer shall execute a Service Agreement with Seller.
   
      8.3   BILLING ADJUSTMENT.  Releasing Customer shall remain fully
            obligated under the terms of its Service Agreement with Seller
            during any capacity release except for Usage Charges incurred by
            any Replacement Customer that has purchased capacity released by
            the Releasing Customer.  Seller shall credit the invoice of
            Releasing Customer each Month for the Deliverability and
            Capacity charges and volumetric rates invoiced, by Seller to
            Replacement Customer provided, however, that such credit:
   
            (a)  shall not include any charges billed to the Replacement
                 Customer under Section 5 of this Rate Schedule or Rate
                 Schedule IS, and
   
            (b)  shall be reduced by the amount of any marketing fee Seller
                 is entitled to collect pursuant to Section 8.4, below.
   
            If a Replacement Customer fails to pay all or any part of its
            Deliverability and Capacity charges which have been credited to
            Releasing Customer within fifteen (15) Days of the due date,
            such unpaid amount, with applicable interest accruing from the
            date Replacement Customers payment was due, will be charged to
            the Releasing Customers next monthly bill and will be due and
            payable by Releasing Customer, unless Replacement Customer in
            good faith shall dispute the billed charges in