Hornbeck Offshore Services Inc. (NYSE: HOS) announced today that the previously commenced cash tender offer for any and all $300,000,000 aggregate principal amount of its 6.125% Senior Notes due 2014, expired as scheduled at 11:59 p.m. Eastern time on March 29, 2012. Including the tendered 2004 Notes that the Company had announced receiving on March 15, 2012, the Company accepted and made payment for $252,205,000 in aggregate principal amount of 2004 Notes validly tendered pursuant to the Offer.

The Company also announced today that, on April 30, 2012, it will redeem the entire balance of $47,795,000 in aggregate principal amount of 2004 Notes that remain outstanding at a redemption price to be calculated in accordance with the indenture governing the 2004 Notes (the "Indenture") and as set forth in the Notice of Redemption. The Company delivered copies of the Notice of Redemption to The Depository Trust Company, as record holder for the 2004 Notes, on March 30, 2012. The redemption will be funded with proceeds raised in the Company's recent issuance of $375 million in aggregate principal amount of 5.875% Senior Notes due 2020.

The Company is a leading provider of technologically advanced, new generation offshore supply vessels in the U.S. Gulf of Mexico and Latin America, 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. and the U.S. Gulf of Mexico. The Company currently owns a fleet of 80 vessels primarily serving the energy industry.