X0101 EFFECT 33 LIVE 2014-03-12 14:00:00

S-4

0001521847 Memorial Production Partners LP 333-192515 0001569679 Memorial Production Finance Corp 333-192515-11 0001569680 Memorial Production Operating LLC 333-192515-10 0001569682 Columbus Energy, LLC 333-192515-09 0001569684 Rise Energy Operating, LLC 333-192515-08 0001569657 Rise Energy Minerals, LLC 333-192515-07 0001578859 WHT Energy Partners LLC 333-192515-06 0001592001 Memorial Energy Services LLC 333-192515-05 0001592003 Memorial Midstream LLC 333-192515-04 0001592004 Prospect Energy, LLC 333-192515-03 0001578893 WHT Carthage LLC 333-192515-02 0001569659 Rise Energy Beta, LLC 333-192515-01