Notice of Effectiveness
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: July 30, 2012 2:00 P.M.
Form: S-4
CIK: 0001131227
Company Name: HORNBECK OFFSHORE SERVICES INC /LA
File Number: 333-182061
CIK: 0001159509
Company Name: HORNBECK OFFSHORE SERVICES LLC
File Number: 333-182061-07
CIK: 0001159332
Company Name: HORNBECK OFFSHORE OPERATORS, LLC
File Number: 333-182061-06
CIK: 0001311888
Company Name: Hornbeck Offshore Transportation, LLC
File Number: 333-182061-05
CIK: 0001311889
Company Name: Hornbeck Offshore Trinidad & Tobago, LLC
File Number: 333-182061-04
CIK: 0001311887
Company Name: HOS-IV, LLC
File Number: 333-182061-03
CIK: 0001163750
Company Name: ENERGY SERVICES PUERTO RICO LLC
File Number: 333-182061-02
CIK: 0001551919
Company Name: HOS Port, LLC
File Number: 333-182061-01