John D. Oil and Gas
Marketing, LLC (John D.) and Gas Natural Service Company, LLC (Service Company) on
Columbia Gas Transmission, LLC (Columbia)
 1.
    
    Asset Management Agreement. John D. and Service Company agree that Service Company
shall become the Asset Manager of John D. for the FSS and SST service agreements.2.
    
    Regulatory Compliance. It is the express intention of John D. and of Service Company
to comply with all aspects of the rules, regulations and decisions of the Federal Energy
Regulatory Commission (the FERC) regarding Asset Management Agreements that were in
effect at the time of execution of this Addendum, or as such rules, regulations and
decisions may be changed throughout the term of the AMA. Deviations from such rules,
regulations and decisions of the FERC related to AMAs are due to mistake or inadvertence
and not to intent. If an action occurs that results in a material deviation from the
rules, regulations or decisions of the FERC, John D. and Service Company
pledge to make a good faith effort to rectify such deviations, when discovered by either or
both of them.3.
    
    Term of Contract. This AMA shall commence upon execution by duly authorized representatives
of each Signatory. The provisions of the AMA governing the release to Service Company of John
Ds FSS and SST service agreements, and all revisions thereto,




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4.
    
    with Columbia may be terminated upon the mutual written agreement of the
Parties or unilaterally upon thirty (30) days prior written notice by John D. to Service
Company.5.
    
    Pricing of Released Capacity. Service Company agrees: (1) to assume all the rights and
obligations specified in the FSS and SST Service Agreements, including payment of all costs
related to such Service Agreements including but not limited to rates, fuel charges,
authorized or unauthorized over-run charges, penalties or fees as are approved by the FERC
for Columbias FSS and SST service agreements; and (2) to hold John D. harmless from the
incurrence of all such Service Agreement costs. Service Company shall have the absolute
right to receive any FERC ordered refunds or rebates allocated to each Service Agreement.6.
    
    Express Conditions  Rights of Recall. The Parties agree that the underlying Service
Agreements include natural gas storage services. Therefore, John D. agrees that Service
Company will have full beneficial use of the FSS and SST capacity specified in such Service
Agreements EXCEPT Service Company agrees that John D. may on any day recall, for storage
withdrawals or injections as applicable, up to 100 percent of the daily contract demand
from the Service Companys capacity under either or both such Service Agreements.The price of the natural gas so delivered shall be as specified in a confirmation agreement
to the NAESB base sales contract.7.
    
    Appointment of Agent on Columbia. John D. agrees to tender this capacity release
transaction for timely posting on Columbias internet website in accord with the rules and
regulations of the FERC and Columbias tariff and to timely post capacity recalls, if any.8.
    
    Assignment:All of the covenants, conditions and obligations of this contract shall
extend to and be binding upon the heirs, personal representatives, successors and assigns
respectively of the parties hereto, provided, however, that this contract shall not be
assigned by John D. or by the Service Company without the written consent of the other
parties, which consent shall not be unreasonably withhold. Notwithstanding the foregoing,
no consent shall be required if John D. assigns this contract to an affiliated marketing
company or if the Service Company assigns this contract to an affiliated Service Company.
For purposes of this contract an affiliate shall mean an entity or person that, directly or
indirectly, through one or more intermediaries, controls, is controlled by, or is under
common control with, such first entity or person.
 THEREFORE,




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IN WITNESS WHEREOF
 This AMA may be executed in counterparts, an original of each signed AMA to be delivered to the counterparty.
 Asset Manager: Gas Natural Service Company, LLCBy:
    /s/ Jonathan A. HarringtonName:
    Jonathan A. HarringtonTitle:
    Controller, Gas Natural, Inc.Date:2/24/2011Capacity Releaser: John D. Oil and Gas
             Marketing, LLCBy:
    /s/ Rebecca HowellName:
    Rebecca HowellTitle:
    Controller & SecretaryDate:       2/24/2011