Helix Energy Solutions Group, Inc. ("Helix") (NYSE: HLX) and Hornbeck Offshore Services, Inc. ("Hornbeck") announced they have entered into a definitive agreement to combine in an all-stock transaction, establishing a premier integrated offshore services company. Upon closing of the transaction, Hornbeck shareholders will own approximately 55% and Helix shareholders will own approximately 45% of the combined company on a fully diluted basis. Following the completion of the transaction, Todd M. Hornbeck will serve as President and Chief Executive Officer of the combined company.

The combined company?s Board of Directors will comprise seven directors, three of whom will be from Helix and four from Hornbeck, including Mr. Hornbeck. William L. Transier will serve as Chairman of the combined company?s Board.