Operational and Financial Overview

ENSCOROWAN Fleet Operational Company Highlights Financial - - Largest and amongst the highest quality offshore drilling fleets in the world 16 drillships 12 semisubmersibles 54 jackups ARO Drilling 50/50 JV with Saudi Aramco, the largest jackup customer worldwide - 7 contributed jackups 20 jackup newbuild program with deliveries scheduled over the next 10 years Presence in six continents and nearly all major offshore markets Large & diverse customer base including major, national and independent E&P companies Strong track record of safety and operational excellence Strategic focus on innovative technologies that increase efficiencies and lower offshore project costs ¹Based on most recent Ensco and Rowan company filings; cash & short-term investments as of 31 December 2018 $2.8 billion of contracted revenue backlog1 $1.6 billion of cash & short-term investments¹ $2.3 billion revolving credit facility2 $1.1 billion of debt maturities to 2024 No secured debt in capital structure 2Borrowing capacity under revolving credit facility is approx. $2.3B through September 2019 and approx. $1.7B from October 2019 through September 2022 5

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