COVINGTON, La., Aug 25, 2006 /PRNewswire-FirstCall via COMTEX News Network/ -- Hornbeck Offshore Services, Inc. (NYSE: HOS) announced today that Todd M. Hornbeck, Chairman, President and Chief Executive Officer, and James O. Harp, Jr., Executive Vice President and Chief Financial Officer, will be participating in the Lehman Brothers CEO Energy / Power Conference at the Waldorf-Astoria in New York City, to be held September 5-7, 2006.

The Company's presentation at the conference will be webcast live with an accompanying slideshow on Thursday, September 7, 2006 at 1:45 p.m. Eastern Time. To listen to the live audio webcast and to view Hornbeck's slideshow, visit the Company's website at http://www.hornbeckoffshore.com . A replay of this webcast and slideshow will be available on the Company's website shortly after the presentation is concluded and will be archived for replay on the website for a period of 30 days.

Hornbeck Offshore Services, Inc. is a leading provider of technologically advanced, new generation offshore supply vessels primarily in the U.S. Gulf of Mexico and select international markets, and is a leading transporter of petroleum products through its fleet of ocean-going tugs and tank barges primarily in the northeastern U.S. and in Puerto Rico. Hornbeck Offshore currently owns a fleet of over 60 vessels primarily serving the energy industry.

Contacts: Jim Harp, CFO
Hornbeck Offshore Services
985-727-6802

Ken Dennard, Managing Partner
DRG&E / 713-529-6600

SOURCE Hornbeck Offshore Services, Inc.