HOUSTON & COVINGTON, La.–(BUSINESS WIRE)–Helix Energy Solutions Group, Inc. (“Helix”) (NYSE: HLX) and Hornbeck Offshore Services, Inc. (“Hornbeck”) today 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. The