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Financial Overview, Quarterly Revenue Adjusted Operating EBITDA* $559.7M $597.9M $635.2M $77.6M $74.8M $84.1M 100% 100% 15% 15% 16% 13% 11% 12% 4% 4% 3% 11% 11% 10% 75% 75% 22% 26% 27% 22% 27% 24% 12% 7% 9% 50% 50% 21% 19% 17% 25% 25% 50% 51% 49% 30% 31% 31% 0% 0% 2022 Q3 2023 Q2 2023 Q3 2022 Q3 2023 Q2 2023 Q3 Aerospace/Defense Tech Integrity Mgmt/Digital Sol Offshore Projects Group Manufactured Products Subsea Robotics * Percentages exclude Unallocated Expenses and the effects of certain specified items. Ⓡ For reconciliations of Adjusted Operating EBITDA to Operating Income for the periods presented, see the Supplemental Information slides. OCEANEERING 9

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