Horizon Offshore, Inc. (HOFF) Chief Executive Officer to Ring the NASDAQ Stock Market Opening Bell


ADVISORY, March 9, 2007 (PRIME NEWSWIRE) --



 What:
 David Sharp, Chief Executive Officer of Horizon Offshore, Inc. (HOFF)
 will preside over the opening bell to celebrate the Company's
 re-listing on the NASDAQ Stock Market.

 Where:
 NASDAQ MarketSite - 4 Times Square - 43rd & Broadway - Broadcast Studio

 When:
 Monday, March 12, 2007 at 9:30 a.m. ET

 Contacts:
 Ron Mogel
 713.243.2753; rmogel@horizonoffshore.com

 NASDAQ MarketSite:
 Jolene Libretto; 646.441.5220; mobile - 347.219.9539
 Jolene.Libretto@NASDAQ.com

Feed Information:

The opening bell is available from 9:20 a.m. to 9:35 a.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can also be found on Waterfront fiber 1623. If you have any questions, please contact Jolene Libretto at (646) 441-5220.

Webcast:

A live Webcast of the NASDAQ Opening Bell will be available at: http://www.nasdaq.com/reference/marketsite_about.stm

Photos:

To obtain a hi-resolution photograph of the Market Open, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market open of your choice.

About Horizon Offshore, Inc. (HOFF):

Horizon and its subsidiaries provide marine construction services for the offshore oil and gas and energy industries. The Company's fleet is used to perform a wide range of marine construction activities, including installation and repair of marine pipelines to transport oil and gas and other sub sea production systems, and the installation and abandonment of production platforms.