This May 5, 2015 Contribution Agreement (this “Agreement”) is entered into by and between PBF Energy Company LLC, a limited liability company established under the laws of the State of Delaware (“PBF Energy”) and PBF Logistics LP, a limited partnership (the “Partnership”) organized under the laws of the State of Delaware. This June 15, 2016 Contribution Agreement is an amended agreement between the Parties, signed on January 5, 2015, and is entered into by and between Vivakor, Inc., a Nevada corporation (“Vivakor”), and Sustainable Fuels Incorporated., a registered entity (“SFI” or “Sustainable Fuels Incorporated”). The partnership agreement should clearly define who manages which aspects of the partnership activity and how each manager can be replaced over time. Do all partnership decisions require full partnership coordination or does a partner have the power to make decisions on behalf of the partnership as a whole? Will the partnership appoint a manager independent of all partners or will one of the partners play a managerial role? The partnership agreement should also define the specific authority of any leader or directorate of the partnership. This key provision of the Partnership Agreement will ensure that the partnership operates according to an organised operational plan. This contribution agreement between SUN COAL &COKE LLC and SUN between April 22, 2014, of a delaware limited liability company, located at 1011 Warrenville Road, Suite 600, Lisle, IL 60532 (“SC&C”), SUNCOKE ENERGY PARTNERS, L.P., a delaware Limited Partnership based at 1011 Warrenville Road, Suite 600, Lisle, IL 60532 (“SXCP”), in force. and SUNCOKE ENERGY, INC., a Delaware corporation with an office at 1011 Warrenville Road, Suite 600, Lisle, IL 60532 (“SunCoke”). This Contribution Agreement (including the schedules and schedules to this Agreement, as amended or amended from time to time, this Agreement), dated November 25, 2014 (the “Performance Date”), is entered into by and between Enviva, LP, a Delaware Limited Partnership (“Transferor”), and Enviva Wilmington Holdings, LLC, a Delaware limited liability company (“Transfers”). The transferors and the buyers are collectively referred to as “parties” and individually as “parties”. Member Hancock (as defined herein) agrees to this Agreement for the purposes of Section 4.6. .

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