Egan Hub Storage, LLC

First Revised Volume No. 1

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Effective Date: 02/01/2009, Docket: RP09-160-000, Status: Effective

Third Revised Sheet No. 80 Third Revised Sheet No. 80

Superseding: Second Revised Sheet No. 80

IBS RATE SCHEDULE

INTERRUPTIBLE BALANCING SERVICE

1. AVAILABILITY

This rate schedule is available to any Customer for the purchase of Interruptible

balancing service from Egan Hub, provided that:

(a) Egan Hub has determined that it has sufficient operationally available Gas

or storage capacity, injection or withdrawal capacity, or that it is willing to construct

capacity, to perform the service requested by Customer;

(b) Egan Hub has determined that the service requested by Customer will not

interfere with the efficient operation of its system and will not cause a reduction in Egan

Hub's ability to provide higher priority service;

(c) Customer accepts responsibility for arranging any transportation service

required for utilization of the service provided under this rate schedule, and such

arrangements must be compatible with Egan Hub's system operations; and

(d) Customer and Egan Hub have executed a Hub Services Agreement and related

Exhibit(s) A and Exhibit(s) B.

(e) In no event shall Egan Hub be required to construct, modify, expand or

acquire any facilities to enable Egan Hub to perform the requested services.

2. APPLICABILITY AND CHARACTER OF SERVICE

2.1 This rate schedule shall apply to all Interruptible balancing service rendered by

Egan Hub to Customer at Egan Hub's facilities located in Acadia Parish, Louisiana pursuant to

an executed Exhibit B to Customer's Hub Services Agreement.

2.2 Interruptible balancing service rendered by Egan Hub to Customer under this rate

schedule shall consist of the injection, storage, and withdrawal and delivery of quantities of

Gas in order to manage imbalances created by Customer under rate schedules set forth in this

FERC Gas Tariff. Service under this rate schedule includes:

(a) The daily receipt and injection of Customer's Gas per Customer's nomination

which is in excess of the quantity of Gas delivered to any Point(s) of Delivery per Customer's

nomination under rate schedules set forth in this FERC Gas Tariff, provided that (i) all higher

priority service nominations for injection have been satisfied, (ii) Customer has Storage

Capacity available, and (iii) Customer delivers the nominated quantity, plus Fuel

Reimbursement, to the Point(s) of Receipt located on Egan Hub's system.