Staffeldt Erik sold HOS

Footnotes

Pursuant to the terms of the Agreement and Plan of Merger, dated as of April 22, 2026, by and among Helix Energy Solutions Group, Inc. Odyssey Sub, Inc., Hercules Sub LLC and Hornbeck Offshore Services, Inc. (the "Merger Agreement"), each award of performance share units (a "Parent PSU Award") and each award of restricted stock units (a "Parent RSU Award") owned by the reporting person as of the Effective Time was canceled in exchange for an amount in cash equal to the number of shares of Parent Common Stock subject to such Parent PSU Award or Parent RSU Award multiplied by the closing price of a share of Parent Common Stock on the NYSE on the Trading Day immediately prior to the Closing Date, which was $10.30.; Each performance share unit subject to the Parent PSU Award granted on January 1, 2025 ("2025 Parent PSU Award") pursuant to the LTIP represented the contingent right to receive one share of Parent Common Stock subject to the terms of the LTIP and the 2025 Parent PSU Award agreement, subject to the level of achievement with respect to the applicable performance criteria. On August 31, 2026, the Compensation Committee determined that 133.5% of the 2025 Parent PSU Award was earned by the reporting person.