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Noble Corporation 13135 Dairy Ashford , Suite 800 Sugar Land , Texas 77478 PRESS RELEASE NOBLE CORPORATION REPORTS FIRST QUARTER 2021 RESULTS NOBLE • Successfully completed balance sheet restructuring on February 5 , 2021 • Announced acquisition of Pacific Drilling in March and closed on April 15 , 2021 • Revenue backlog of $ 1.5 billion as of March 31 , 2021 SUGAR LAND , TEXAS , May 4 , 2021 – Noble Corporation ( “ Noble ” or the “ Company ” ) today reported first quarter 2021 results . Successor Predecessor Three Three Period from Months Months Feb 6 , 2021 - Period from Mar 31 , Jan 1 , 2021 - Ended Dec 31 , Ended Mar 31 , ( stated in millions , except per share amounts ) 2021 Feb 5 , 2021 Total Revenue $ 92 $ 77 2020 $ 203 2020 $ 281 Contract Drilling Services Revenue 85 74 195 267 Net Income ( Loss ) ( 18 ) 250 ( 2,823 ) ( 1,063 ) Adjusted EBITDA * 16 22 57 91 Adjusted Net Loss * ( 27 ) ( 1 ) ( 25 ) ( 86 ) Diluted Earnings ( Loss ) Per Share ( 0.36 ) 0.98 ( 11.24 ) ( 4.25 ) Adjusted Diluted Loss Per Share * ( 0.54 ) ( 0.10 ) ( 0.34 ) Contract Drilling Services Backlog 1,543 NM 1,612 1,524 * A Non - GAAP supporting schedule is included with the statements and schedules attached to this press release and can be found at www.noblecorp.com . 1