X0304 4 2011-11-22 1 0001364541 EAGLE ROCK ENERGY PARTNERS L P EROC 0001377295 Weinzierl John A EAGLE ROCK ENERGY PARTNERS, L.P. P.O. BOX 2968 HOUSTON TX 77252 1 0 0 0 The reporting person is a Director of Eagle Rock Energy G&P, LLC the general partner of Eagle Rock Energy GP, L.P. the general partner of registrant. /s/ Charles C. Boettcher, Attorney-In-Fact 2011-11-22