Hornbeck Offshore Exchange Offer

Hornbeck Offshore Services, Inc. (NYSE:HOS) announced that it has successfully completed its offer to exchange $250m aggregate principal amount of its outstanding 8% Series A Senior Notes due 2017 (CUSIPs440543 AF 3 and U44070 AC 1), which were issued in a private placement and sold in accordance with Rule 144A or Regulation S under the Securities Act of 1933, for an equal aggregate principal amount of its 8% Series B Senior Notes due 2017 (CUSIP 440543 AH 9). The issuance of the New Notes was registered under the Act.

At the scheduled expiration time of 5:00 p.m., New York City time on February 23, 2010, $250m of aggregate principal amount, or 100%, of the Old Notes were tendered and accepted for exchange for New Notes by Hornbeck Offshore. The form and terms of the New Notes are substantially the same as the form and terms of the Old Notes issued in August 2009. The primary difference is that the issuance of the New Notes has been registered under the Act and, therefore, the New Notes will be freely tradable by persons who are not affiliated with Hornbeck Offshore and will not contain terms relating to registration rights. The New Notes evidence the same debt as the Old Notes they replace and are issued under and entitled to the benefits of the indenture that governs the Old Notes. The exchange agent for the exchange offer was Wells Fargo Bank, N.A., Corporate Trust Operations, MAC N9303-121, Sixth & Marquette Avenue, Minneapolis, Minnesota 55479, 1-800-344-5128. This release is not an offer to sell or a solicitation of an offer to purchase the New Notes or an offer to purchase or solicitation of an offer to sell the Old Notes.