Liberty Gas Storage, LLC

Original Volume No. 1

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

Original Sheet No. 29 Original Sheet No. 29 : Effective

IP RATE SCHEDULE INTERRUPTIBLE PARKING SERVICE

AVAILABILITY

This Rate Schedule is available to any Customer for the purchase of

Interruptible parking service from Liberty, provided that:

that:

(a) Liberty has determined that it has sufficient operationally available

storage capacity, injection or withdrawal capacity to perform the parking

service Customer has requested;

(b) Liberty has determined that the parking service Customer has requested

will not interfere with efficient operation of its system or with Higher

Priority Services;

(c) Customer and Liberty have executed a Hub Services Agreement under this

Rate Schedule;

(d) Customer accepts responsibility for arranging any transportation

service required for utilization of the parking service provided under this

Rate Schedule; and

(e) Service under this Rate Schedule may not be available to the extent

that Liberty would be required to construct, modify, expand or acquire any

facilities to enable Liberty to perform the requested services.

2. APPLICABILITY AND CHARACTER OF SERVICE

This Rate Schedule shall apply to all Interruptible parking service rendered by

Liberty to Customer through use of Liberty's storage facility located in

Calcasieu Parish, Louisiana pursuant to an executed Hub Services Agreement.

Agreement.

Interruptible parking service rendered by Liberty to Customer under this Rate

Schedule shall consist of the receipt, injection, storage, and withdrawal and

delivery of Customer's Gas, on an Interruptible basis, by Liberty. Service

under this Rate Schedule includes:

(a) The receipt on any Day and injection into storage of Customer's Gas per

Customer's nomination up to the Maximum Daily Injection Quantity (“MDIQ”)

stated in Exhibit B of the Hub Services Agreement with Customer, provided that

all Higher Priority Service nominations for injection have been satisfied,

Customer's Park Quantity is less than the Maximum Park Quantity set forth in

Exhibit B of the Hub Services Agreement, Customer delivers the nominated

quantity plus Fuel Reimbursement to the Point(s) of Receipt located on

Liberty's system, and Customer's Park Balance has not exceeded Customer's

Maximum Park Quantity;