X0203 3 2010-09-30 0 0001364541 EAGLE ROCK ENERGY PARTNERS L P EROC 0001436264 Giroir L. Patrick Jr. EAGLE ROCK ENERGY PARTNERS, LP PO BOX 2968 HOUSTON TX 77252 0 1 0 0 SVP, Midstream Business Common Units Representing Limited Partner Interests 5000 D The reporting person is Senior Vice President, Midstream Business of Eagle Rock Energy G&P, LLC, the general partner of Eagle Rock Energy GP, L.P., the general partner of the registrant. /s/ Charles C. Boettcher, Attorney-In-Fact 2010-09-30