Caledonia Gas And Storage

First Revised Volume No. 1

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Effective Date: 09/30/2010, Docket: RP10-1032-000, Status: Effective

Original Sheet No. 151 Original Sheet No. 151

Evaluation Criteria (if applicable):

Were contingent bids accepted? Yes_____ No_____

Contingency comments (if applicable):

Other Terms and Conditions of Release (e.g., restrictions on

release, third party agent and terms of third party agency

relationship, and agreements between Replacement Customer and

Releasing Customer)

SECURITY INTEREST: In addition to, and not in substitution for, any

lien created in favor of Caledonia pursuant to Miss. Code Ann. §

75-7-209, or any other law, Replacement Customer grants to and in

favor of Caledonia a security interest in Replacement Customer’s

storage Inventory (whether Delivered to Caledonia on the effective

date hereof or any date thereafter) and all proceeds related thereto

(including, without limitation, insurance proceeds related to damage

or loss of storage inventory) as security for payment of all fees and

other amounts owed by Replacement Customer to Caledonia in connection

with this Agreement (including, without limitation, interest accrued

under this agreement and reasonable attorneys’ fees and expenses that

may be incurred by Caledonia to preserve or protect its interests under

this Agreement or in defense of third-party claims related to the

Storage Inventory). Customer authorizes Caledonia to file such

financing statements and other instruments as it deems necessary to

perfect its security interest in such good and proceeds to secure

payment of such fees and other amounts owed by Customer to Caledonia.

Such security interest shall be a first priority security interest and

Replacement Customer shall cause all other holders of a security

interest in such storage Inventory to deliver to Caledonia an

acknowledgement, release and/or subordination agreement (satisfactory

to Caledonia in its reasonable discretion) that Caledonia’s interest is

of first priority.

This Addendum entered into, pursuant to Caledonia’s capacity release

program and to the executed Capacity Release Umbrella Agreement between

Caledonia and the Replacement Customer, is hereby made a part of and

subject to the aforementioned Capacity Release Umbrella Agreement.

CALEDONIA ENERGY PARTNERS, L.L.C.

By: Enstor Operating Company, LLC, its Manager

By: ____________________________________________

Title: __________________________________________

REPLACEMENT CUSTOMER

By:_____________________________________________

Title: _____________________________________________

Date: _____________________________________________