Liberty Gas Storage, LLC

Original Volume No. 1

Effective Date: 04/15/2007, Docket: RP07-357-000, Status: Effective

Original Sheet No. 41 Original Sheet No. 41 : Effective

IBT RATE SCHEDULE INTERRUPTIBLE IMBALANCE TRADING SERVICE

(Continued)

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 the FERC, and any state or local governmental agency having

jurisdiction, of requisite authorization for Liberty to provide the imbalance

trading service contemplated hereby and to construct and operate the Gas

storage facilities necessary to provide such imbalance trading service and for

any connected pipeline to transport Gas to/from the Point(s) of

Receipt/Delivery necessary to effect the

imbalance trading service provided for herein.

6.2 Liberty shall have the right to propose to the 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 Liberty and its

Customer(s) shall remain in effect during the term of the Exhibit B of the Hub

Services Agreement(s) specifying such rates.

7. CURTAILMENT

If, due to any cause whatsoever, Liberty's capability to receive or deliver

quantities is impaired so that Liberty is unable to receive or deliver the

quantities provided for in its Exhibit B of Hub Services Agreements with

Customers, then capacity, withdrawals, and/or injections will be allocated

according to the priority of service as set forth in Section 5 of the General

Terms and Conditions of this FERC Gas Tariff.

8. GENERAL TERMS AND CONDITIONS

Applicable provisions of the General Terms and Conditions of this FERC Gas

Tariff, as such provisions may be amended from time to time, are hereby

incorporated by reference and made a part of this IBT Rate Schedule, where

applicable, and shall supplement the terms and conditions governing service

rendered hereunder, as though stated herein; provided, however, that in the

event of any inconsistency, the terms of this IBT Rate Schedule shall control.