HORNBECK OFFSHORE SERVICES, INC.

On September 1, 2026, pursuant to and in accordance with the terms of the Merger Agreement, (i) Legacy Helix converted from a Minnesota corporation to a Delaware corporation; (ii) following such conversion, Parent Sub merged with and into Legacy Hornbeck, with Legacy Hornbeck surviving the First Company Merger as a wholly owned subsidiary of Legacy Helix; and (iii) one minute after the Effective Time, Legacy Hornbeck merged with and into Hercules Sub, with Hercules Sub surviving the Second Company Merger as a wholly owned subsidiary of Legacy Helix. The foregoing transactions are collectively referred to herein as "the Merger." Following the Merger, Legacy Helix was renamed “Hornbeck Offshore Services, Inc.” The Company's common stock remains listed on the New York Stock Exchange, and its ticker symbol was changed from "HLX" to "HOS."

As a result of the Merger being accounted for as a reverse acquisition in accordance with U.S. GAAP, whereby Legacy Hornbeck was determined to be the accounting acquirer, the historical results presented in the condensed consolidated financial statements included in this Quarterly Report reflect the historical results of Legacy Hornbeck for all periods prior to the Merger and the results of the combined Company only for periods subsequent to the Closing Date. Accordingly, the results of Legacy Helix are included in the condensed consolidated financial statements only for the period from the Closing Date through September 30, 2026. The historical results and financial position of Legacy Helix prior to the Merger are not reflected in the condensed consolidated financial statements included in this Quarterly Report. As a result, the historical results presented herein do not reflect the results of the combined Company on a pro forma basis and are not necessarily indicative of the results that may be expected in future periods. See Note 3 to the condensed consolidated financial statements included in this Quarterly Report for further discussion of the accounting for the Merger as a business combination and reverse acquisition pursuant to ASC 805, Business Combinations.