X0101 EFFECT 33 LIVE 2017-06-16 16:00:00

S-1

0001465872 VANTAGE DRILLING INTERNATIONAL 333-217678 0001465871 VANTAGE DRILLER I CO. 333-217678-25 0001551170 Vantage Holdings Cyprus ODC Ltd 333-217678-24 0001657896 Vantage Drilling Africa 333-217678-23 0001465876 EMERALD DRILLER Co 333-217678-22 0001522823 P2020 RIG CO. 333-217678-21 0001504852 P2021 RIG CO. 333-217678-20 0001465873 SAPPHIRE DRILLER Co 333-217678-19 0001465870 VANTAGE DEEPWATER Co 333-217678-18 0001550869 Vantage Deepwater Drilling, Inc. 333-217678-17 0001465865 VANTAGE DRILLER II CO. 333-217678-16 0001465866 VANTAGE DRILLER III CO. 333-217678-15 0001465867 VANTAGE DRILLER IV CO. 333-217678-14 0001657897 Vantage Driller ROCO S.R.L. 333-217678-13 0001578214 Vantage Driller VI Co. 333-217678-12 0001522817 VANTAGE HOLDINGS MALAYSIA I CO. 333-217678-11 0001465862 VANTAGE INTERNATIONAL MANAGEMENT CO. 333-217678-10 0001465860 VANTAGE INTERNATIONAL MANAGEMENT PTE LTD. 333-217678-09 0001561737 Vantage Delaware Holdings, LLC 333-217678-08 0001380565 Vantage Energy Services, Inc. 333-217678-07 0001465864 VANTAGE HOLDING HUNGARY KFT 333-217678-06 0001522821 VANTAGE DRILLING LABUAN I LTD. 333-217678-05 0001522853 VANTAGE DRILLING (MALAYSIA) I SDN. BHD. 333-217678-04 0001465863 VANTAGE DRILLING NETHERLANDS B.V. 333-217678-03 0001566686 PT. Vantage Drilling Co Indonesia 333-217678-02 0001550868 Dragonquest Holdings Co 333-217678-01