X0305 4 2012-04-17 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 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 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 Common Units 2012-04-17 4 S 0 11297737 19.18 D 0 D Represents an aggregate of 11,297,737 common units that were held (i) directly by Quantum Resources A1, LP, Quantum Resources B, LP, QAC Carried WI, LP, Black Diamond Resources, LLC, Quantum Resources C, LP, QAB Carried WI, LP and (ii) indirectly by QA Global GP, LLC, Black Diamond Resources 2, LLC, The Quantum Aspect Partnership, LP, QA GP, LLC and QA Holdings, LP. Indirect Owners of the common units sold by the Fund Entities on April 17, 2012 are reported on a separate Form 4 filed of even date herewith. /s/ Gregory S. Roden on behalf of Quantum Resources A1, LP et al. 2012-04-20