UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: February 26, 2018
Accession Number: 0001193125-18-052606
Submission Type: POS AM
CIK: 0001471261
Company Name: Cobalt International Energy, Inc.
File Number: 333-215280
CIK: 0001692609
Company Name: Cobalt International Energy GP, LLC
File Number: 333-215280-05
CIK: 0001470808
Company Name: Cobalt International Energy, L.P.
File Number: 333-215280-04
CIK: 0001692599
Company Name: Cobalt GOM #2 LLC
File Number: 333-215280-03
CIK: 0001692597
Company Name: Cobalt GOM #1 LLC
File Number: 333-215280-02
CIK: 0001692607
Company Name: Cobalt GOM LLC
File Number: 333-215280-01