X0101 EFFECT 33 LIVE 2018-09-27 16:00:00

S-4

0001724965 TALOS ENERGY INC. 333-227362 0001463174 Talos Resources LLC 333-227362-20 0001623831 Talos Argo Inc. 333-227362-19 0000904080 TALOS PETROLEUM LLC 333-227362-18 0001723011 Talos Energy LLC 333-227362-17 0001751761 CKB Petroleum, LLC 333-227362-16 0001751716 Stone Energy Holding, L.L.C. 333-227362-15 0001751680 Talos Gulf Coast Offshore LLC 333-227362-14 0001751688 Talos Energy Holdings LLC 333-227362-13 0001751687 Talos Energy International LLC 333-227362-12 0001751686 Talos Energy Offshore LLC 333-227362-11 0001751676 Talos Production Finance Inc. 333-227362-10 0001751682 Talos ERT LLC 333-227362-09 0001751679 Talos Gulf Coast Onshore LLC 333-227362-08 0001751677 Talos Management Intermediary LLC 333-227362-07 0001751675 Talos Production LLC 333-227362-06 0001751683 Talos Energy Phoenix LLC 333-227362-05 0001751681 Talos Gulf Coast LLC 333-227362-04 0001751685 Talos Energy Operating Co LLC 333-227362-03 0001751678 Talos Management Holdings LLC 333-227362-02 0001751684 Talos Energy Operating GP LLC 333-227362-01