X0203 3 2010-12-22 0 0001502012 QR Energy, LP QRE 0001508337 Quantum Resources A1, LP 1401 MCKINNEY STREET SUITE 2400 HOUSTON TX 77010 0 0 0 1 Fund Entity 0001508333 Quantum Resources B, LP 1401 MCKINNEY STREET SUITE 2400 HOUSTON TX 77010 0 0 0 1 Fund Entity 0001508335 Quantum Resources C, LP 1401 MCKINNEY STREET SUITE 2400 HOUSTON TX 77010 0 0 0 1 Fund Entity 0001508336 QAB Carried WI, LP 1401 MCKINNEY STREET SUITE 2400 HOUSTON TX 77010 0 0 0 1 Fund Entity 0001508340 QAC Carried WI, LP 1401 MCKINNEY STREET SUITE 2400 HOUSTON TX 77010 0 0 0 1 Fund Entity 0001508338 Black Diamond Resources, LLC 1401 MCKINNEY STREET SUITE 2400 HOUSTON TX 77010 0 0 0 1 Fund Entity 0001508334 Black Diamond Resources 2, LLC 1401 MCKINNEY STREET SUITE 2400 HOUSTON TX 77010 0 0 0 1 LP of QAB and QAC partnerships Common units 11297737 D Common units 0 Common units 7145866 D In connection with the Partnership's initial public offering, Quantum Resources A1, LP ("QRA"), Quantum Resources C, LP ("QRC"), QAB Carried WI, LP ("QAB"), QAC Carried WI, LP ("QAC") and Black Diamond Resources, LLC ("Black Diamond," and together with QRA, QRB, QRC, QAB and QAC, collectively, the "Fund Entities") contributed certain oil and natural gas properties to the Partnership in exchange for (i) the Partnership's assumption of approximately $200 million of indebtedness, (ii) a distribution of $300 million, (iii) 11,297,737 common units and (iv) 7,145,866 subordinated units. Each subordinated unit will convert to one common unit at the expiration of the subordination period, which will occur on the later to occur of December 22, 2012 and such as all arrearages of distributions of the minimum quarterly distribution on all common units have been eliminated. Black Diamond Resources 2, LLC is included in this Form 3, since it is the limited partner of QAB Carried WI, LP and QAC Carried WI, LP, both of which entities being Fund Entities. Gregory S. Roden on behalf of Fund Entities and Black Diamond Resources 2, LLC 2010-12-27