Hornbeck Offshore Announces Second Quarter 2008 Earnings Release and Conference Call Schedule

COVINGTON, La., July 11 /PRNewswire-FirstCall/ -- Hornbeck Offshore Services, Inc. (NYSE: HOS) announced today that it will release its second quarter 2008 financial results at approximately 6:00 a.m. Eastern on Thursday, July 31, 2008. In conjunction with the release, the Company has scheduled a conference call, which will be broadcast live over the Internet, on Thursday, July 31, 2008 at 10:00 a.m. Eastern (9:00 a.m. Central).

    What:  Hornbeck Offshore Second Quarter 2008 Earnings Conference Call
    When:  Thursday, July 31, 2008 at 10:00 a.m. Eastern (9:00 a.m. Central)
    How:   Live via phone -- By dialing (303) 262-2130 and asking for the
           Hornbeck Offshore call at least 10 minutes prior to the start
           time, or Live over the Internet -- By logging onto the web at the
           address below
    Where: http://www.hornbeckoffshore.com, on the "IR Home" page of the
           "Investors" section of the Company's website

For those who cannot listen to the live call, a telephonic replay will be available through August 7, 2008 and may be accessed by calling (303) 590-3000 and using the pass code 11116410#. Also, an archive of the webcast will be available after the call for a period of 60 days on the "IR Home" page under the "Investors" section of the Company's website.

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 other select U.S. and 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., the U.S. Gulf of Mexico, the Great Lakes and in Puerto Rico. Hornbeck Offshore currently owns a fleet of over 80 vessels primarily serving the energy industry.

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

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

SOURCE Hornbeck Offshore Services, Inc.