COVINGTON, La., Sept. 21 /PRNewswire-FirstCall/ -- Hornbeck Offshore Services, Inc. (NYSE: HOS) announced today that it will release its third quarter 2006 financial results at approximately 6:00 a.m. Eastern on Wednesday, November 1, 2006. In conjunction with the release, the Company has scheduled a conference call, which will be broadcast live over the Internet, on Wednesday, November 1, 2006 at 9:00 a.m. Eastern (8:00 a.m. Central).

What: Hornbeck Offshore Third Quarter 2006 Earnings Conference Call

When: Wednesday, November 1, 2006 at 9:00 a.m. Eastern (8:00 a.m. Central)

How: Live via phone -- By dialing (303) 262- 2211 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 November 8, 2006 and may be accessed by calling (303) 590-3000 and using the pass code 11071225#. 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 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 / 832-594-4004

SOURCE Hornbeck Offshore Services, Inc.

CONTACT: Jim Harp, CFO of Hornbeck Offshore Services, Inc., +1-985-727-6802; or Ken Dennard, Managing Partner of DRG&E, +1-832-594-4004, for Hornbeck Offshore Services, Inc.