Operational and Financial Overview

ENSCOROWAN Retirements Expected to Lead to Future Illustrative Floater Supply 26 -18 125 floaters retired since 3Q14 -14 5 241 -6 >30yrs idle 234 26 Build in Brazil Newbuilds Other Newbuilds w/o future contract >30yrs rolling off contract by YE2019 15-30yrs idle for over 2yrs 208 Current Total Supply Non- marketed Illustrative Total Supply Illustrative Marketed Supply Supply Contraction ■ The global floater count could decline by 7 rigs, or ~3%, if adjusted for likely retirements and newbuild deliveries Excluding another 26 floaters that are not currently marketed, illustrative marketed supply of 208 compares to contracted floater count of 157 516 33 Chinese Newbuilds¹ Other Current Total Illustrative Jackup Supply 21 -96 90 jackups retired since 3Q14 Newbuilds -60 >30yrs idle w/o future contract -5 409 16 393 >30yrs rolling off contract by YE2019 15-30yrs idle for over 2yrs Non- marketed Illustrative Total Supply Illustrative Marketed Supply ■ When adjusting for likely retirements and newbuilds, the jackup count could decline by 107 rigs or -21% - Excluding another 16 jackups that are not currently marketed, illustrative marketed supply of 393 compares to contracted jackup count of 354 Supply Source: IHS Markit RigPoint as of April 2019 1Assumes 65% of uncontracted Chinese newbuilds enter the global supply 15

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