144 0001805278 XXXXXXXX LIVE 0000073756 OCEANEERING INTERNATIONAL, INC. 001-10945 5875 North Sam Houston Parkway West Suite 400 Houston TX 77086 713-329-4500 Benjamin Laura Officer Common Stock J.P. Morgan Securities LLC

270 Park Avenue - 10th Floor New York NY 10017

38282 1486107 99393743 02/25/2026 NYSE Common Stock 02/25/2025 Compensation Issuer N 5106 02/25/2025 N/A Common Stock 06/23/2024 Compensation Issuer N 5587 06/23/2024 N/A Common Stock 02/26/2024 Compensation Issuer N 9011 02/26/2024 N/A Common Stock 02/27/2023 Compensation Issuer N 6324 02/27/2023 N/A Common Stock 02/28/2022 Compensation Issuer N 2779 02/28/2022 N/A Common Stock 03/01/2021 Compensation Issuer N 2079 03/01/2021 N/A Common Stock 02/24/2020 Compensation Issuer N 1578 02/24/2020 N/A Common Stock 02/18/2019 Compensation Issuer N 1687 02/18/2019 N/A Common Stock 02/19/2018 Compensation Issuer N 3834 02/19/2018 N/A Y 02/25/2026 /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Benjamin Laura