HOS · Hornbeck Offshore Services, Inc. · Insider Trading

Represents a grant of 70,000 restricted stock units ("RSUs"), each of which represents a contingent right to receive, upon vesting, one share of common stock of the Combined Company, par value $0.00001 per share ("Common Stock"). The RSUs vest on September 1, 2029.

Represents a grant of 16,990 restricted stock units ("RSUs"), each of which represents a contingent right to receive, upon vesting, one share of common stock, par value $0.00001 per share, of the Issuer. The RSUs vest on September 1, 2029.

Represents a grant of 31,553 restricted stock units ("RSUs"), each of which represents a contingent right to receive, upon vesting, one share of common stock, par value $0.00001 per share, of the Issuer. The RSUs vest on September 1, 2029.

Represents a grant of 31,553 restricted stock units ("RSUs"), each of which represents a contingent right to receive, upon vesting, one share of common stock, par value $0.00001 per share, of the Issuer. The RSUs vest on September 1, 2029.

Represents a grant of performance-based RSUs ("PRSUs") with the right to receive one share of Common Stock, upon vesting on December 31, 2029, based on the achievement of specified target annualized gross synergies.

Represents a grant of 16,990 restricted stock units ("RSUs"), each of which represents a contingent right to receive, upon vesting, one share of common stock, par value $0.00001 per share, of the Issuer. The RSUs vest on September 1, 2029.

Represents a grant of 16,990 restricted stock units ("RSUs"), each of which represents a contingent right to receive, upon vesting, one share of common stock, par value $0.00001 per share, of the Issuer. The RSUs vest on September 1, 2029.

Represents a grant of 40,000 restricted stock units ("RSUs"), each of which represents a contingent right to receive, upon vesting, one share of common stock, par value $0.00001 per share, of the Issuer. The RSUs vest on September 1, 2029.

Represents a grant of 225,000 restricted stock units ("RSUs"), each of which represents a contingent right to receive, upon vesting, one share of common stock, par value $0.00001 per share, of the Issuer ("Common Stock"). The RSUs vest on September 1, 2029.

Represents a grant of 70,000 restricted stock units ("RSUs"), each of which represents a contingent right to receive, upon vesting, one share of common stock, par value $0.00001 per share, of the Issuer. The RSUs vest on September 1, 2029.

Represents a grant of 40,000 restricted stock units ("RSUs"), each of which represents a contingent right to receive, upon vesting, one share of common stock, par value $0.00001 per share, of the Issuer. The RSUs vest on September 1, 2029.

Represents a grant of PRSUs with the right to receive up to two shares of Common Stock, upon vesting on June 30, 2028, October 31, 2028, March 31, 2029, June 30, 2029, September 30, 2029, and December 31, 2029, based on the achievement of specified target stock prices.

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 restricted stock unit subject to the Parent RSU Award granted on January 1, 2024 ("2024 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Forfeiture restrictions lapsed with respect to one-third of the 2024 Parent RSU Award on January 1, 2025, forfeiture restrictions with respect to an additional one-third of the award lapsed on January 1, 2026 and, pursuant to the Merger Agreement, the remaining forfeiture restrictions with respect to the award lapsed on September 1, 2026.

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.

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.

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 restricted stock unit subject to the Parent RSU Award granted on January 1, 2026 ("2026 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Pursuant to the terms of the Merger Agreement, all forfeiture restrictions with respect to the 2026 Parent RSU Award lapsed on September 1, 2026.

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 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 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 restricted stock unit subject to the Parent RSU Award granted on January 1, 2024 ("2024 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Forfeiture restrictions lapsed with respect to one-third of the 2024 Parent RSU Award on January 1, 2025, forfeiture restrictions with respect to an additional one-third of the award lapsed on January 1, 2026 and, pursuant to the Merger Agreement, the remaining forfeiture restrictions with respect to the award lapsed on September 1, 2026.

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 restricted stock unit subject to the Parent RSU Award granted on January 1, 2024 ("2024 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Forfeiture restrictions lapsed with respect to one-third of the 2024 Parent RSU Award on January 1, 2025, forfeiture restrictions with respect to an additional one-third of the award lapsed on January 1, 2026 and, pursuant to the Merger Agreement, the remaining forfeiture restrictions with respect to the award lapsed on September 1, 2026.

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.

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 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 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 restricted stock unit subject to the Parent RSU Award granted on January 1, 2026 ("2026 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Pursuant to the terms of the Merger Agreement, all forfeiture restrictions with respect to the 2026 Parent RSU Award lapsed on September 1, 2026.

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, 2026 ("2026 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 2026 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 170.0% of the 2026 Parent PSU Award was earned by the reporting person.

Pursuant to the Merger Agreement, each outstanding Helix RSU, whether or not vested, was canceled and converted into the right of the holder to receive a cash payment equal to the closing price of a share of Helix's common stock on the trading day immediately prior to the Closing Date.

On September 1, 2026 (the "Closing Date"), pursuant to that certain Agreement and Plan of Merger, dated as of April 22, 2026 (the "Merger Agreement"), by and among Helix Energy Solutions Group, Inc. ("Helix"), Hornbeck Offshore Services, Inc. ("Hornbeck"), Odyssey Sub, Inc. and Hercules Sub LLC, the parties effected certain mergers (the "Mergers"). In connection with the Mergers, Helix converted from a Minnesota corporation to a Delaware corporation (the "Conversion") and Hornbeck became a wholly owned subsidiary of Helix. Following the Conversion and the Mergers, Helix was renamed "Hornbeck Offshore Services, Inc." (the "Combined Company").

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 restricted stock unit subject to the Parent RSU Award granted on January 1, 2026 ("2026 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Pursuant to the terms of the Merger Agreement, all forfeiture restrictions with respect to the 2026 Parent RSU Award lapsed on September 1, 2026.

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 restricted stock unit subject to the Parent RSU Award granted on January 1, 2025 ("2025 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Forfeiture restrictions lapsed with respect to one-third of the 2025 Parent RSU Award on January 1, 2026 and, pursuant to the terms of the Merger Agreement, the remaining forfeiture restrictions with respect to the award lapsed on September 1, 2026.

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 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 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 restricted stock unit subject to the Parent RSU Award granted on January 1, 2025 ("2025 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Forfeiture restrictions lapsed with respect to one-third of the 2025 Parent RSU Award on January 1, 2026 and, pursuant to the terms of the Merger Agreement, the remaining forfeiture restrictions with respect to the award lapsed on September 1, 2026.

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, 2024 ("2024 Parent PSU Award") pursuant to the Parent's 2005 Long-Term Incentive Plan (as amended, the "LTIP") represented the contingent right to receive one share of Parent Common Stock subject to the terms of the LTIP and the 2024 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 150.0% of the 2024 Parent PSU Award was earned by the reporting person.

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, 2026 ("2026 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 2026 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 170.0% of the 2026 Parent PSU Award was earned by the reporting person.

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 restricted stock unit subject to the Parent RSU Award granted on January 1, 2025 ("2025 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Forfeiture restrictions lapsed with respect to one-third of the 2025 Parent RSU Award on January 1, 2026 and, pursuant to the terms of the Merger Agreement, the remaining forfeiture restrictions with respect to the award lapsed on September 1, 2026.

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 restricted stock unit subject to the Parent RSU Award granted on January 1, 2025 ("2025 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Forfeiture restrictions lapsed with respect to one-third of the 2025 Parent RSU Award on January 1, 2026 and, pursuant to the terms of the Merger Agreement, the remaining forfeiture restrictions with respect to the award lapsed on September 1, 2026.

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 restricted stock unit subject to the Parent RSU Award granted on January 1, 2026 ("2026 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Pursuant to the terms of the Merger Agreement, all forfeiture restrictions with respect to the 2026 Parent RSU Award lapsed on September 1, 2026.

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, 2026 ("2026 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 2026 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 170.0% of the 2026 Parent PSU Award was earned by the reporting person.

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, 2024 ("2024 Parent PSU Award") pursuant to the Parent's 2005 Long-Term Incentive Plan (as amended, the "LTIP") represented the contingent right to receive one share of Parent Common Stock subject to the terms of the LTIP and the 2024 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 150.0% of the 2024 Parent PSU Award was earned by the reporting person.

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 restricted stock unit subject to the Parent RSU Award granted on January 1, 2024 ("2024 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Forfeiture restrictions lapsed with respect to one-third of the 2024 Parent RSU Award on January 1, 2025, forfeiture restrictions with respect to an additional one-third of the award lapsed on January 1, 2026 and, pursuant to the Merger Agreement, the remaining forfeiture restrictions with respect to the award lapsed on September 1, 2026.

Pursuant to the Merger Agreement, each outstanding Helix performance share unit, whether or not vested, was canceled and converted into the right of the holder to receive a cash payment equal to the closing price of a share of Helix's common stock on the trading day immediately prior to the Closing Date multiplied by such number of shares subject to the award with performance deemed achieved based on the greater of target and actual level of performance through immediately prior to the effective time of the Mergers as reasonably determined by the Helix board of directors in good faith.

On September 1, 2026 (the "Closing Date"), pursuant to that certain Agreement and Plan of Merger, dated as of April 22, 2026 (the "Merger Agreement"), by and among Helix Energy Solutions Group, Inc. ("Helix"), Hornbeck Offshore Services, Inc. ("Hornbeck"), Odyssey Sub, Inc. and Hercules Sub LLC, the parties effected certain mergers (the "Mergers"). In connection with the Mergers, Helix converted from a Minnesota corporation to a Delaware corporation (the "Conversion") and Hornbeck became a wholly owned subsidiary of Helix. Following the Conversion and the Mergers, Helix was renamed "Hornbeck Offshore Services, Inc." (the "Combined Company").

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, 2024 ("2024 Parent PSU Award") pursuant to the Parent's 2005 Long-Term Incentive Plan (as amended, the "LTIP") represented the contingent right to receive one share of Parent Common Stock subject to the terms of the LTIP and the 2024 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 150.0% of the 2024 Parent PSU Award was earned by the reporting person.

Each Performance Share Unit ("2023 PSU") was granted on January 3, 2023 pursuant to the Company's 2005 Long-Term Incentive Plan (as amended, the "LTIP") and represented the contingent right to receive one share of Company common stock subject to the terms of the LTIP and the 2023 PSU Award Agreement. Actual number of shares upon vesting could have ranged from 0-200% dependent in equal parts on the Company's total shareholder return performance compared to a selected peer group and the generation of free cash flow compared to benchmarks over the three-year period beginning January 1, 2023 and ended December 31, 2025. Amount earned and vested was 151% of the number of 2023 PSUs granted. Pursuant to the terms of the 2023 PSU Award Agreement, the Compensation Committee of the Company's Board of Directors elected to pay in cash the value of the 2023 PSUs which vested.

Each Performance Share Unit ("2023 PSU") was granted on January 3, 2023 pursuant to the Company's 2005 Long-Term Incentive Plan (as amended, the "LTIP") and represented the contingent right to receive one share of Company common stock subject to the terms of the LTIP and the 2023 PSU Award Agreement. Actual number of shares upon vesting could have ranged from 0-200% dependent in equal parts on the Company's total shareholder return performance compared to a selected peer group and the generation of free cash flow compared to benchmarks over the three-year period beginning January 1, 2023 and ended December 31, 2025. Amount earned and vested was 151% of the number of 2023 PSUs granted. Pursuant to the terms of the 2023 PSU Award Agreement, the Compensation Committee of the Company's Board of Directors elected to pay in cash the value of the 2023 PSUs which vested.

Each Performance Share Unit ("2023 PSU") was granted on January 3, 2023 pursuant to the Company's 2005 Long-Term Incentive Plan (as amended, the "LTIP") and represented the contingent right to receive one share of Company common stock subject to the terms of the LTIP and the 2023 PSU Award Agreement. Actual number of shares upon vesting could have ranged from 0-200% dependent in equal parts on the Company's total shareholder return performance compared to a selected peer group and the generation of free cash flow compared to benchmarks over the three-year period beginning January 1, 2023 and ended December 31, 2025. Amount earned and vested was 151% of the number of 2023 PSUs granted. Pursuant to the terms of the 2023 PSU Award Agreement, the Compensation Committee of the Company's Board of Directors elected to pay in cash the value of the 2023 PSUs which vested.

Each Performance Share Unit ("2023 PSU") was granted on January 3, 2023 pursuant to the Company's 2005 Long-Term Incentive Plan (as amended, the "LTIP") and represented the contingent right to receive one share of Company common stock subject to the terms of the LTIP and the 2023 PSU Award Agreement. Actual number of shares upon vesting could have ranged from 0-200% dependent in equal parts on the Company's total shareholder return performance compared to a selected peer group and the generation of free cash flow compared to benchmarks over the three-year period beginning January 1, 2023 and ended December 31, 2025. Amount earned and vested was 151% of the number of 2023 PSUs granted. Pursuant to the terms of the 2023 PSU Award Agreement, the Compensation Committee of the Company's Board of Directors elected to pay in cash the value of the 2023 PSUs which vested.

These shares were forfeited to satisfy tax obligations related to the vesting of the pro rata portion of the reporting person's 2023 RSUs.

Includes shares acquired under the Company's Employee Stock Purchase Plan.

Each Restricted Stock Unit ("2023 RSU") represents the contingent right to receive one share of Company common stock. Forfeiture restrictions lapsed with respect to one-third of the grant of the 2023 RSUs on January 3, 2024, forfeiture restrictions with respect to an additional one-third of the grant lapsed on January 3, 2025 and forfeiture restrictions with respect to the last one-third of the grant lapsed on January 3, 2026. The Compensation Committee elected to pay in cash the value of the 2023 RSUs for which forfeiture restrictions lapsed on January 3, 2026.

Upon lapse of the forfeiture restrictions of the 2023 RSUs.

Each Restricted Stock Unit ("2023 RSU") represents the contingent right to receive one share of Company common stock. Forfeiture restrictions lapsed with respect to one-third of the grant of the 2023 RSUs on January 3, 2024, forfeiture restrictions with respect to an additional one-third of the grant lapsed on January 3, 2025 and forfeiture restrictions with respect to the last one-third of the grant lapsed on January 3, 2026. The Compensation Committee elected to pay in cash the value of the 2023 RSUs for which forfeiture restrictions lapsed on January 3, 2026.

Upon lapse of the forfeiture restrictions of the 2023 RSUs.

Each Restricted Stock Unit ("2023 RSU") represents the contingent right to receive one share of Company common stock. Forfeiture restrictions lapsed with respect to one-third of the grant of the 2023 RSUs on January 3, 2024, forfeiture restrictions with respect to an additional one-third of the grant lapsed on January 3, 2025 and forfeiture restrictions with respect to the last one-third of the grant lapsed on January 3, 2026.

Includes shares acquired under the Company's Employee Stock Purchase Plan.