X0303 4 2009-12-03 0 0001361937 EV Energy Partners, LP EVEP 0001302312 EnCap Energy Capital Fund V L P 1100 LOUISIANA SUITE 3150 HOUSTON TX 77002 1 0 0 0 0001376870 EnCap Equity Fund V GP, L.P. 1100 LOUISIANA SUITE 3150 HOUSTON TX 77002 0 0 0 1 GP of EnCap Energy Capital Fun 0001290910 EnCap Investments L.P. 1100 LOUISIANA SUITE 3150 HOUSTON TX 77002 0 0 0 1 GP of EnCap Equity Fund V GP L 0001290911 EnCap Investments GP, L.L.C. 1100 LOUISIANA SUITE 3150 HOUSTON TX 77002 0 0 0 1 GP of EnCap Investments LP 0001290912 RNBD GP LLC 1100 LOUISIANA SUITE 3150 HOUSTON TX 77002 0 0 0 1 sole member of EnCap Investmen 0001167138 MILLER DAVID B 1100 LOUISIANA SUITE 3150 HOUSTON TX 77002 0 0 0 1 Member of RNBD GP LLC 0001142791 PHILLIPS D MARTIN 1100 LOUISIANA SUITE 3150 HOUSTON TX 77002 0 0 0 1 Member of RNBD GP LLC 0001229915 ZORICH ROBERT L 1100 LOUISIANA SUITE 3150 HOUSTON TX 77002 0 0 0 1 Member of RNBD GP LLC Common Units 2009-12-03 4 S 0 257629 25.45 D 0 D Each of the reporting persons disclaims beneficial ownership in excess of their respective pecuniary interest in such securities. EnCap Energy Capital Fund V, LP, by EnCap Equity Fund V GP, LP, its general partner, by EnCap Investments LP, its general partner, by EnCap Investments GP, LLC, its general partner, by /s/ Gary R. Petersen, Senior Managing Director 2009-12-07