TENTH AMENDMENT TO

Section 3.3 of the Omnibus Agreement currently addresses the fixed general and administrative expenses for the original assets that were part of the MLP’s initial public offering, the Gas Supply Resources LLC assets (“GSR”) transferred to the MLP in the transaction set forth in that certain Contribution Agreement between DCP LP Holdings, LP and the MLP, dated as of October 9, 2006 (the “GSR Contribution Agreement”), the assets acquired by the MLP from Anadarko Anadarko Gathering Company and Anadarko Energy Services Company in the transaction set forth in that certain Purchase and Sale Agreement dated March 7, 2007 (the “Panther PSA”), the 40% interest in Discovery Producer Services, LLC (the general and administrative expenses for the MLP’s 25% interest in DCP East Texas Holdings, LLC is addressed in the limited liability company agreement for that entity) transferred to the MLP in the transaction set forth in that certain Contribution Agreement between DCP LP Holdings, LP and the MLP dated May 23, 2007 (the “Columbus Contribution Agreement”), the membership interest in Momentum Energy Group, LLC transferred to the MLP in the transaction set forth in that certain Contribution and Sale Agreement dated May 21, 2007 among Gas Supply Resources Holdings, Inc., (“GSR HOLDINGS”), DCPM, and the MLP (the “Bass Contribution Agreement), the adjustments to take into account three additional full time equivalents and extending the term through December 31, 2009 that was dated August 7, 2007 (the “2007 Adjustment”), the assets

acquired by the MLP from Michigan Pipeline & Processing, LLC, Ganesh Energy, LLC and Gas Processing & Pipeline, LLC in the transaction set forth in that certain Agreement of Purchase and Sale dated September 10, 2008 (the “MPP Agreement”) and the assets acquired by the MLP from Michcon Pipeline Company in the transaction set forth in that certain Purchase and Sale Agreement dated November 16, 2009 (the “Michcon Agreement”).