Panther Interstate Pipeline Energy, L.L.C.

Original Volume No. 1

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Effective Date: 02/01/2004, Docket: CP03-338-001, Status: Effective

Original Sheet No. 10 Original Sheet No. 10 : Effective

RATE SCHEDULE IT

INTERRUPTIBLE TRANSPORTATION SERVICE

1. AVAILABILITY

This Rate Schedule is available for the transportation of natural gas on

an interruptible basis by Panther Interstate (hereinafter called

Transporter) to any Shipper that makes a valid request for interruptible

service and executes an Interruptible Transportation Agreement ("IT

Agreement"), subject to the availability of capacity from time to time

sufficient to provide such service without detriment or disadvantage to

Transporter's firm transportation customers.

2. APPLICABILITY AND CHARACTER OF SERVICE

The service rendered shall be the transportation of natural gas up to

the Maximum Interruptible Quantity (MIQ) set out in the IT Agreement

performed under Subparts B and G of Part 284 of the Commission's

Regulations. Service shall be on an interruptible basis. Interruption

of service includes decreasing, suspending, or discontinuing either the

receipt or delivery of gas. Interruption and availability of

interruptible capacity shall be in accordance with Section 9 in the

General Terms and Conditions of this Tariff. Transporter shall not be

required to install, operate or maintain any additional facilities in

order to provide transportation service under this Rate Schedule, except

as provided in Section 5.2 of this Rate Schedule.

3. CONTRACTING

Transporter shall enter into an IT Agreement with any Shipper which

meets the credit standards in the General Terms and Conditions of this

Tariff and submits a valid request consistent with Section 5 of the

General Terms and Conditions of this Tariff. Submission of a request

for service hereunder shall be deemed agreement by Shipper that it will

abide by the terms and conditions of this Rate Schedule IT, including

the applicable General Terms and Conditions of this Tariff.

4. DELIVERIES AND RECEIPTS

4.1 Receipt Points: All receipt points on Transporter's system shall

be available as receipt points for gas transported under this Rate

Schedule. Transporter shall not be required under any

circumstances to receive gas at any receipt point where: (1) the

total quantity of gas scheduled for receipt on any Day is less

than that required for the accurate measurement of quantities to