Hornbeck Offshore Announces Q1 2011

Press Release April 21, 2011

COVINGTON, La., April 21, 2011 /PRNewswire via COMTEX/ -- Hornbeck Offshore Services, Inc. (NYSE: HOS) announced today that it will release its first quarter 2011 financial results at approximately 6:00 a.m. Eastern on Thursday, May 5, 2011. In conjunction with the release, the Company has scheduled a conference call, which will be broadcast live over the Internet, on Thursday, May 5, 2011 at 10:00 a.m. Eastern (9:00 a.m. Central).

What:

Hornbeck Offshore First Quarter 2011 Earnings Conference Call

When:

Thursday, May 5, 2011 at 10:00 a.m. Eastern (9:00 a.m. Central)

How:

Live via phone -- By dialing (480) 629-9773 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 May 12, 2011 and may be accessed by calling (303) 590-3030 and using the pass code 4435804#. 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 in the U.S. Gulf of Mexico and in select other domestic and international markets, and is a leading short-haul transporter of petroleum products through its coastwise fleet of ocean-going tugs and tank barges in the northeastern U.S., the domestic 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.