Horizon Pipeline Company, L.L.C.

Original Volume No. 1

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Effective Date: 04/15/2002, Docket: GT02- 15-000, Status: Effective

Original Sheet No. 7B Original Sheet No. 7B : Effective







Rate Term of Volume Reservation Commodity Primary Receipt Primary Delivery

Shipper Name Schedule Contract (Dth/d) Charge(s) Charge(s) Point(s) / PIN No(s). Point(s) / PIN No(s).

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


Ameren Energy Generating FTS 4/01/2002 24,000 $2.8808 3/ $0.0000 Alliance/Horizon Joliet #1 Grundy Ameren/Horizon AEEC Cook

Company 1/ through 3/ (PIN No. 39800) 4/, 6/, 7/ (PIN No. 39790) 5/, 6/, 7/





1/ The Negotiated Rate Agreement with Shipper does not deviate in any material respect from the applicable form of service agreement in Horizon's FERC Gas



2/ The negotiated rates shall be effective for a term of ten (10) years from the later of: (i) April 1, 2002; or (ii) the date of initial commercial

operation of the Horizon Pipeline. Horizon shall provide Shipper with at least ten (10) days notice of the commencement of service.


3/ Negotiated Rates. The Negotiated Monthly Reservation Rate and the Negotiated Commodity Rate set forth above shall apply only to service provided by

Horizon under the FTS Agreement from the Eligible Receipt Points to the Eligible Delivery Points set forth below, subject to all other applicable terms and

conditions set forth herein.


Eligible Transportation Quantity. The negotiated rates shall apply only to total aggregate deliveries on any day of a quantity up to the FTS Agreement

MDQ, for all quantities transported under the FTS Agreement and any associated capacity release replacement agreements. Any quantities transported in

excess of the Eligible Transportation Quantity shall be billed at all applicable maximum rates, charges, and surcharges set forth in Horizon's FERC Gas

Tariff, unless Horizon and Shipper otherwise expressly agree in writing.


Authorized Overrun Service. Unless Horizon otherwise expressly agrees in writing, Authorized Overrun Service provided to Shipper under the FTS Agreement

shall be billed at the applicable maximum Authorized Overrun Rate set forth in Horizon's FERC Gas Tariff, as may be revised from time to time.


Fuel Gas and Gas Lost and Unaccounted For. In addition to the negotiated rates, Shipper shall be charged for Fuel Gas and Gas Lost and Unaccounted For in

accordance with the applicable provisions of Horizon's FERC Gas Tariff, as may be revised from time to time.


Applicable Maximum Rates, Charges and Surcharges. Except as set forth herein, the negotiated rates, along with ACA surcharges and any future surcharges

that are uniformly applied by interstate pipelines as a FERC requirement, shall be applicable at all times during the Negotiated Rate Term. Unless

otherwise expressly provided herein, all applicable maximum rates, charges or surcharges, and penalties of any nature set forth in Horizon's FERC Gas

Tariff shall apply to service provided to Shipper under the FTS Agreement.