Exhibit 22.1
List of Guarantor Subsidiaries and Affiliate Securities Pledged as Collateral
As of the date hereof, the Senior Secured First Lien Notes due 2028 (the “Notes”) issued by Valaris Limited, a Bermuda exempted company (“Valaris”), are fully and unconditionally guaranteed by each of the following subsidiaries of Valaris (the “Guarantors”).
| 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 Investments LP | England and Wales (UK) | |
| 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 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 Ltd. | Bermuda | |
| Valaris Holdco 2 Ltd. | Bermuda | |
| Valaris United LLC | Delaware (USA) |
Concurrently with the issuance of the Notes, Valaris and certain of its subsidiaries entered into pledge and collateral agreements. Pursuant to the terms of these agreements, the Notes are secured on a first-priority basis by a pledge of the equity interests of the Guarantors and affiliates listed below.
| 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 Offshore International Leasing Limited | 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 Global Limited | Ordinary Shares | 100.00 | % | |||
| Atwood Oceanics Pacific Limited | Ordinary Shares; Class A Shares | 100.00 | % | |||
| Atwood Offshore Labor Company | Ordinary 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 Ltd. | Ordinary Shares | 100.00 | % | |||
| Valaris Holdco 2 Ltd. | Ordinary Shares | 100.00 | % | |||
| Valaris United LLC | Shares | 100.00 | % |