Horizon Offshore Contract

Horizon Offshore, Inc. announced that its subsidiary, Horizon Offshore Contractors, Inc., has been awarded a contract by Williams Oil Gathering, LLC to install 49.96 miles of 20-inch oil pipeline in the U.S. Gulf of Mexico for the Mountaineer Shallow Water Pipeline System, which is a part of the Devils Tower project being constructed by Williams. Horizon will utilize the pipelay barge Lone Star Horizon and lay/bury barge Pecos Horizon for this project, which will be installed in water depths ranging from 8 to 270 feet. The Mountaineer project is expected to commence installation during the fourth quarter of 2002 with completion scheduled during the first quarter of 2003.