| Guarantor | State or Other Jurisdiction of Incorporation or Organization | ||||||||||
| Alpha Achiever Company | Cayman Islands | ||||||||||
| Alpha Admiral Company | Cayman Islands | ||||||||||
| Alpha Archer Company | Cayman Islands | ||||||||||
| Alpha Aurora Company | Cayman Islands | ||||||||||
| Alpha Offshore Drilling Services Company | Cayman Islands | ||||||||||
| Alpha Orca Company | Cayman Islands | ||||||||||
| Alpha South Pacific Holding Company | Cayman Islands | ||||||||||
| Atlantic Maritime Services LLC | Delaware (USA) | ||||||||||
| Atwood Australian Waters Drilling Pty Limited | Australia | ||||||||||
| Atwood Oceanics Australia Pty Limited | Australia | ||||||||||
| Atwood Oceanics Pacific Limited | Cayman Islands | ||||||||||
| Atwood Offshore Drilling Limited | Hong Kong | ||||||||||
| Atwood Offshore Worldwide Limited | Cayman Islands | ||||||||||
| ENSCO (Barbados) Limited | Cayman Islands | ||||||||||
| Ensco (Myanmar) Limited | Myanmar | ||||||||||
| Ensco (Thailand) Limited | Thailand | ||||||||||
| ENSCO Arabia Co. Ltd. | Saudi Arabia | ||||||||||
| ENSCO Asia Company LLC | Texas (USA) | ||||||||||
| ENSCO Asia Pacific Pte. Limited | Singapore | ||||||||||
| Ensco Associates Company | Cayman Islands | ||||||||||
| ENSCO Australia Pty. Limited | Australia | ||||||||||
| ENSCO Capital Limited | Cayman Islands / United Kingdom | ||||||||||
| ENSCO Corporate Resources LLC | Delaware (USA) | ||||||||||
| Ensco Deepwater Drilling Limited | England and Wales (UK) | ||||||||||
| ENSCO Deepwater USA II LLC | Delaware (USA) | ||||||||||
| ENSCO Development Limited | Cayman Islands | ||||||||||
| Ensco do Brasil Petróleo e Gás Ltda. | Brazil | ||||||||||
| Ensco Drilling I Ltd. | Cayman Islands | ||||||||||
| ENSCO Drilling Mexico LLC | Delaware (USA) | ||||||||||
| Ensco Endeavors Limited | Cayman Islands / United Kingdom | ||||||||||
| ENSCO Global GmbH | Switzerland | ||||||||||
| Ensco Global II Ltd. | Cayman Islands | ||||||||||
| Ensco Global IV Ltd | British Virgin Islands | ||||||||||
| ENSCO Global Limited | Cayman Islands / United Kingdom | ||||||||||
| ENSCO Global Resources Limited | England and Wales (UK) | ||||||||||
| Ensco Holdco Limited | England and Wales (UK) | ||||||||||
| ENSCO Holding Company | Delaware (USA) | ||||||||||
| Ensco Incorporated | Texas (USA) | ||||||||||
| Ensco Intercontinental GmbH | Switzerland | ||||||||||
| ENSCO International Incorporated | Delaware (USA) | ||||||||||
| Ensco International Ltd. | British Virgin Islands / United Kingdom | ||||||||||
| ENSCO Investments LLC | Nevada (USA) / United Kingdom | ||||||||||
| Ensco Jersey Finance Limited | Jersey / United Kingdom | ||||||||||
| ENSCO Limited | Cayman Islands | ||||||||||
| Ensco Management Corp | British Virgin Islands | ||||||||||
| ENSCO Maritime Limited | Bermuda | ||||||||||
| Ensco Mexico Services S.de R.L. | Mexico | ||||||||||
| Ensco Ocean 2 Company | Cayman Islands | ||||||||||
| ENSCO Oceanics Company LLC | Delaware (USA) | ||||||||||
| ENSCO Oceanics International Company | Cayman Islands | ||||||||||
| ENSCO Offshore Company | Delaware (USA) | ||||||||||
| ENSCO Offshore International Company | Cayman Islands | ||||||||||
| ENSCO Offshore International Holdings Limited | Cayman Islands / United Kingdom | ||||||||||
| ENSCO Offshore International Inc. | Marshall Islands | ||||||||||
| Ensco Offshore International LLC | Delaware (USA) | ||||||||||
| Ensco Offshore Petróleo e Gás Ltda. | Brazil | ||||||||||
| ENSCO Offshore U.K. Limited | England and Wales (UK) | ||||||||||
| ENSCO Overseas Limited | Cayman Islands | ||||||||||
| ENSCO Services Limited | England and Wales (UK) | ||||||||||
| Ensco Transcontinental II LP | England and Wales (UK) | ||||||||||
| Ensco Transnational I Limited | Cayman Islands | ||||||||||
| Ensco Transnational III Limited | Cayman Islands | ||||||||||
| ENSCO U.K. Limited | England and Wales (UK) | ||||||||||
| Ensco UK Drilling Limited | England and Wales (UK) | ||||||||||
| Ensco Universal Holdings I Ltd. | Cayman Islands / United Kingdom | ||||||||||
| Ensco Universal Holdings II Ltd. | Cayman Islands / United Kingdom | ||||||||||
| ENSCO Universal Limited | England and Wales (UK) | ||||||||||
| Ensco Vistas Limited | Cayman Islands | ||||||||||
| Ensco Worldwide GmbH | Switzerland | ||||||||||
| EnscoRowan Ghana Drilling Limited | Ghana | ||||||||||
| Great White Shark Limited | Gibraltar | ||||||||||
| Green Turtle Limited | Gibraltar | ||||||||||
| International Technical Services LLC | Delaware (USA) | ||||||||||
| Manatee Limited | Malta | ||||||||||
| Manta Ray Limited | Malta | ||||||||||
| Marine Blue Limited | Gibraltar | ||||||||||
| Offshore Drilling Services LLC | Delaware (USA) | ||||||||||
| Pacific Offshore Labor Company | Cayman Islands | ||||||||||
| Petroleum International Pte. Ltd. | Singapore | ||||||||||
| Pride Global II Ltd | British Virgin Islands | ||||||||||
| Pride International LLC | Delaware (USA) | ||||||||||
| Pride International Management Co. LP | Texas (USA) | ||||||||||
| Ralph Coffman Cayman Limited | Cayman | ||||||||||
| Ralph Coffman Limited | Gibraltar | ||||||||||
| Ralph Coffman Luxembourg S.à r.l. | Luxembourg | ||||||||||
| RCI International, Inc. | Cayman Islands | ||||||||||
| RD International Services Pte. Ltd. | Singapore | ||||||||||
| RDC Arabia Drilling, Inc. | Cayman Islands | ||||||||||
| RDC Holdings Luxembourg S.à r.l. | Luxembourg | ||||||||||
| RDC Malta Limited | Malta | ||||||||||
| RDC Offshore Luxembourg S.à r.l. | Luxembourg | ||||||||||
| RDC Offshore Malta Limited | Malta | ||||||||||
| RoCal Cayman Limited | Cayman Islands | ||||||||||
| Rowan 240C#3, Inc. | Cayman Islands | ||||||||||
| Rowan Companies Limited | England and Wales (UK) | ||||||||||
| Rowan Companies, LLC | Delaware (USA) | ||||||||||
| Rowan Drilling (Gibraltar) Limited | Gibraltar | ||||||||||
| Rowan Drilling (Trinidad) Limited | Cayman Islands | ||||||||||
| Rowan Drilling (U.K.) Limited | Scotland (UK) | ||||||||||
| Rowan Drilling Services Limited | Gibraltar | ||||||||||
| Rowan Financial Holdings S.à r.l. | Luxembourg | ||||||||||
| Rowan International Rig Holdings S.à r.l. | Luxembourg | ||||||||||
| Rowan Marine Services LLC | Texas (USA) | ||||||||||
| Rowan N-Class (Gibraltar) Limited | Gibraltar | ||||||||||
| Rowan No. 1 Limited | England and Wales (UK) | ||||||||||
| Rowan No. 2 Limited | England and Wales (UK) | ||||||||||
| Rowan Norway Limited | Gibraltar | ||||||||||
| Rowan Offshore (Gibraltar) Limited | Gibraltar | ||||||||||
| Rowan Offshore Luxembourg S.à r.l. | Luxembourg | ||||||||||
| Rowan Rigs S.à r.l. | Luxembourg | ||||||||||
| Rowan S. de R.L. de C.V. | Mexico | ||||||||||
| Rowan Services LLC | Delaware (USA) | ||||||||||
| Rowan US Holdings (Gibraltar) Limited | Gibraltar | ||||||||||
| Rowandrill, LLC | Texas (USA) | ||||||||||
| Valaris Holdco 1 Limited | Bermuda | ||||||||||
| Valaris Holdco 2 Limited | Bermuda | ||||||||||
| Valaris United LLC | Delaware (USA) | ||||||||||
| Affiliate Pledgee | Class of Security | Percentage Pledged | ||||||||||||
| Alpha Achiever Company | Ordinary Shares | 100.00% | ||||||||||||
| Alpha Admiral Company | Ordinary Shares | 100.00% | ||||||||||||
| Alpha Archer Company | Ordinary Shares | 100.00% | ||||||||||||
| Alpha Aurora Company | Ordinary Shares | 100.00% | ||||||||||||
| Alpha Falcon Drilling Company | Ordinary Shares; Class A Shares | 100.00% | ||||||||||||
| Alpha Int’l Drilling Company S.à r.l | Ordinary Shares | 100.00% | ||||||||||||
| Alpha Mako Company | Ordinary Shares | 100.00% | ||||||||||||
| Alpha Manta Company | Ordinary Shares | 100.00% | ||||||||||||
| Alpha Offshore Drilling (S) Pte Ltd. | Ordinary Shares | 100.00% | ||||||||||||
| Alpha Offshore Drilling Services Company | Ordinary Shares | 100.00% | ||||||||||||
| Alpha Orca Company | Ordinary Shares | 100.00% | ||||||||||||
| Alpha South Pacific Holding Company | Ordinary Shares | 100.00% | ||||||||||||
| Atlantic Maritime Services LLC | Units | 100.00% | ||||||||||||
| Atwood Advantage S.à r.l. | Ordinary Shares | 100.00% | ||||||||||||
| Atwood Beacon S.à r.l. | Ordinary Shares | 100.00% | ||||||||||||
| Atwood Drilling LLC | Ordinary Shares | 100.00% | ||||||||||||
| Atwood Hunter LLC | Ordinary Shares | 100.00% | ||||||||||||
| Atwood Malta Holding Company Limited | Class A Shares | > 99.00% | ||||||||||||
| Atwood Oceanics Drilling Mexico S. de R.L. de C.V. | Partnership Interest | 99.00% | ||||||||||||
| Atwood Oceanics Pacific Limited | Ordinary Shares; Class A Shares | 100.00% | ||||||||||||
| Atwood Offshore Worldwide Limited | Ordinary Shares; Class A Shares | 64.12% | ||||||||||||
| Drillquest Offshore Company | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO (Barbados) Limited | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO (Bermuda) Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco (Myanmar) Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco (Thailand) Limited | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Arabia Company Limited | Percentage Ownership Interest | 100.00% | ||||||||||||
| Ensco Asia Company LLC | Units | 100.00% | ||||||||||||
| Ensco Asia Pacific Pte. Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Associates Company | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Australia Pty Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Capital Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Corporate Resources LLC | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO de Venezuela, S.R.L. | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Deepwater Drilling Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Deepwater USA II LLC | Non-Assessable Member Units | 100.00% | ||||||||||||
| Ensco do Brasil Petróleo e Gás Ltda. | Quotas | 100.00% | ||||||||||||
| ENSCO Drilling (Caribbean), Inc. | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Drilling Company (Nigeria) Limited | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Drilling Company LLC | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Drilling I Ltd. | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Drilling Mexico LLC | Units | 100.00% | ||||||||||||
| Ensco Endeavors Limited | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Gerudi (M) Sdn. Bhd. | Ordinary Shares | 49.00% | ||||||||||||
| ENSCO Global GmbH | Percentage Ownership Interest | 100.00% | ||||||||||||
| Ensco Global II Ltd. | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Global Investment LP | Partnership Interests | 95.00% | ||||||||||||
| ENSCO Global IV Ltd. | Shares | 100.00% | ||||||||||||
| Ensco Global Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Global Resources Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Holdco Limited | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Holding Company | Shares | 100.00% | ||||||||||||
| Ensco Holland B.V. | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Incorporated | Common Stock | 100.00% | ||||||||||||
| ENSCO Intercontinental GmbH | Percentage Ownership Interest | 100.00% | ||||||||||||
| Ensco International Incorporated | Common Stock | 100.00% | ||||||||||||
| Ensco International Ltd. | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Investments LLC | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Labuan Limited | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Limited | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Maritime Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Mexico Services, S. de R.L. de C.V. | Partnership Interests | 100.00% | ||||||||||||
| Ensco North America LLC | Percentage Ownership Interest | 100.00% | ||||||||||||
| ENSCO Ocean 1 Company | Ordinary Shares | 88.29% | ||||||||||||
| ENSCO Ocean 2 Company | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Oceanics Company LLC | Units | 100.00% | ||||||||||||
| Ensco Oceanics International Company | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Offshore Company | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Offshore International Company | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Offshore International Holdings Limited | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Offshore International Inc. | Registered Shares | 100.00% | ||||||||||||
| Ensco Offshore International LLC | Percentage Ownership Interest | 100.00% | ||||||||||||
| Ensco Offshore Petróleo e Gás Ltda. | Quotas | 100.00% | ||||||||||||
| Ensco Offshore Services LLC | Units | 100.00% | ||||||||||||
| ENSCO Offshore U.K. Limited | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Overseas Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Services Limited | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Services LLC | Units | 100.00% | ||||||||||||
| Ensco South Pacific LLC | Percentage Ownership Interest | 100.00% | ||||||||||||
| Ensco Transcontinental I LLC | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Transcontinental II LLC | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Transnational I Ltd. | Ordinary Share | 100.00% | ||||||||||||
| Ensco Transnational II Ltd. | Ordinary Share | 100.00% | ||||||||||||
| Ensco Transnational III Ltd. | Ordinary Share | 100.00% | ||||||||||||
| Ensco Transnational Limited | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO U.K. Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco UK Drilling Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Universal Holdings I Ltd. | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Universal Holdings II Ltd. | Ordinary Shares | 6.25% | ||||||||||||
| ENSCO Universal Limited | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Vistas Limited | Ordinary Shares | 100.00% | ||||||||||||
| ENSCO Worldwide GmbH | Ordinary Shares | 100.00% | ||||||||||||
| Ensco Worldwide Holdings Ltd. | Ordinary Shares | 100.00% | ||||||||||||
| Forasub B.V. | Ordinary Shares | 100.00% | ||||||||||||
| Great White Shark Limited | Ordinary Shares | 100.00% | ||||||||||||
| Green Turtle Limited | Ordinary Shares | 100.00% | ||||||||||||
| Manatee Limited | Ordinary Shares | 100.00% | ||||||||||||
| Manta Ray Limited | Ordinary Shares | 100.00% | ||||||||||||
| Offshore Drilling Services LLC | Units | 100.00% | ||||||||||||
| P.T. ENSCO Sarida Offshore | Ordinary Shares | 49.00% | ||||||||||||
| Pride Arabia Co. Ltd. | Ordinary Shares | 25.00% | ||||||||||||
| Pride Global II Ltd. | Shares | 100.00% | ||||||||||||
| Pride Global Offshore Nigeria Limited | Ordinary Shares | 100.00% | ||||||||||||
| Pride International LLC | Shares | 100.00% | ||||||||||||
| Ralph Coffman Cayman Limited | N/A (Uncertificated) | 100.00% | ||||||||||||
| Ralph Coffman Luxembourg S.à r.l. | Percentage Ownership Interests | 100.00% | ||||||||||||
| RD International Services Pte. Ltd. | Shares | 100.00% | ||||||||||||
| RDC Arabia Drilling, Inc. | Ordinary Shares | 100.00% | ||||||||||||
| RDC Holdings Luxembourg S.à r.l. | Percentage Ownership Interest | 100.00% | ||||||||||||
| RDC Malta Limited | Ordinary Shares | 100.00% | ||||||||||||
| RDC Offshore Luxembourg S.à r.l. | Percentage Ownership Interest | 100.00% | ||||||||||||
| RDC Offshore Malta Limited | Percentage Ownership Interest | 100.00% | ||||||||||||
| Rowan Angola Limitada | Percentage Ownership Interest | 100.00% | ||||||||||||
| Rowan California S.à r.l. | Percentage Ownership Interest | 100.00% | ||||||||||||
| Rowan Deepwater Drilling (Gibraltar) Limited | Ordinary Shares | 100.00% | ||||||||||||
| Rowan do Brasil Servicos de Perfuracao Ltda. | Percentage Ownership Interest | > 99.00% | ||||||||||||
| Rowan Drilling (Gibraltar) Limited | Ordinary Shares | 100.00% | ||||||||||||
| Rowan Drilling (Trinidad) Limited | Ordinary Shares | 100.00% | ||||||||||||
| Rowan Drilling (U.K.) Limited | Ordinary Shares | 100.00% | ||||||||||||
| Rowan Drilling Cyprus Limited | Ordinary Shares | 100.00% | ||||||||||||
| Rowan Drilling Services Limited | Ordinary Shares | 100.00% | ||||||||||||
| Rowan Drilling Services Nigeria Limited | Ordinary Shares | 100.00% | ||||||||||||
| Rowan Egypt Petroleum Services L.L.C. | Quotas | 50.00% | ||||||||||||
| Rowan Finanz S.à r.l. | Percentage Ownership Interest | 100.00% | ||||||||||||
| ROWAN Global Drilling Services Limited | Ordinary Shares | 100.00% | ||||||||||||
| Rowan Holdings Luxembourg S.à r.l. | Percentage Ownership Interest | 100.00% | ||||||||||||
| Rowan International Rig Holdings S.à r.l. | Ordinary Shares | 100.00% | ||||||||||||
| Rowan Marine Services LLC | LLC Interests | 100.00% | ||||||||||||
| Rowan Middle East, Inc. | Rowan Middle East, Inc. | 100.00% | ||||||||||||
| Rowan N-Class (Gibraltar) Limited | Ordinary Shares | 100.00% | ||||||||||||
| Rowan No. 2 Limited | Shares | 100.00% | ||||||||||||
| Rowan North Sea, Inc. | Ordinary Shares | 100.00% | ||||||||||||
| Rowan Norway Limited (FKA Rowan (Gibraltar) Limited) | Ordinary Shares | 100.00% | ||||||||||||
| Rowan Offshore (Gibraltar) Limited | Ordinary Shares | 100.00% | ||||||||||||
| Rowan Offshore Luxembourg S.à r.l. | Shares | 100.00% | ||||||||||||
| Rowan Relentless Luxembourg S.à r.l. | Percentage Ownership Interest | 100.00% | ||||||||||||
| Rowan Reliance Luxembourg S.à r.l. | Percentage Ownership Interest | 100.00% | ||||||||||||
| Rowan Renaissance Luxembourg S.à r.l. | Percentage Ownership Interest | 100.00% | ||||||||||||
| Rowan Resolute Luxembourg S.à r.l. | Percentage Ownership Interest | 100.00% | ||||||||||||
| Rowan Rex Limited (Cayman) | Ordinary Shares | 100.00% | ||||||||||||
| Rowan Rigs S.à r.l. | Percentage Ownership Interest | 100.00% | ||||||||||||
| Rowan Services LLC | Percentage Ownership Interest | 100.00% | ||||||||||||
| Rowan Standard Ghana Limited | Ordinary Shares | 49.00% | ||||||||||||
| Rowan US Holdings (Gibraltar) Limited | Ordinary Shares | 73.86% | ||||||||||||
| Rowan, S. de R.L. de C.V. | Social Part | 99.00% | ||||||||||||
| Rowandrill Labuan Limited | Ordinary Shares | 100.00% | ||||||||||||
| Rowandrill Malaysia Sdn. Bhd. | Ordinary Shares | 49.00% | ||||||||||||
| Swiftdrill Offshore Drilling Services Company | Ordinary Shares | 100.00% | ||||||||||||
| Valaris Holdco 1 Limited | Ordinary Shares | 100.00% | ||||||||||||
| Valaris Holdco 2 Limited | Ordinary Shares | 100.00% | ||||||||||||
| Valaris United | Ordinary Shares | 100.00% | ||||||||||||