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| N A B O R S . C O M Reconciliation of Adjusted EBITDA by Segment to Adjusted Operating Income (Loss) by Segment 25 Adjusted EBITDA by segment represents adjusted income (loss) plus depreciation and amortization. (In thousands) Three Months Ended September 30, 2024 U.S. Drilling International Drilling Drilling Solutions Rig Technologies Other reconciling items Total Adjusted operating income (loss) 41,694 $ 32,182 $ 29,231 $ 2,761 $ (43,382) $ 62,486 $ Depreciation and amortization 83,769 66,966 5,080 3,343 76 159,234 Adjusted EBITDA $ 115,951 108,660 $ 34,311 $ 6,104 $ (43,306) $ 221,720 $ Three Months Ended June 30, 2024 U.S. Drilling International Drilling Drilling Solutions Rig Technologies Other reconciling items Total Adjusted operating income (loss) 45,085 $ 23,672 $ 27,319 $ 4,860 $ (43,020) $ 57,916 $ Depreciation and amortization 82,699 68,935 5,149 2,470 888 160,141 Adjusted EBITDA $ 106,371 114,020 $ 32,468 $ 7,330 $ (42,132) $ 218,057 $ Three Months Ended September 30, 2023 U.S. Drilling International Drilling Drilling Solutions Rig Technologies Other reconciling items Total Adjusted operating income (loss) 49,582 $ 9,862 $ 25,341 $ 4,995 $ (41,092) $ 48,688 $ Depreciation and amortization 67,775 86,313 5,078 2,226 (55) 161,337 Adjusted EBITDA $ 96,175 117,357 $ 30,419 $ 7,221 $ (41,147) $ 210,025 $ |