EX-22.1 24 tm2117388d7_ex22-1.htm EXHIBIT 22.1

Exhibit 22.1

List of Guarantor Subsidiaries and Affiliate Securities Pledged as Collateral

As of the date of the registration statement of which this Exhibit 22.1 is a part, 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
Atlantic Maritime Services LLC |  | Delaware (USA)
Atwood Australian Waters Drilling Pty Limited |  | Australia
Atwood Deep Seas, Ltd. |  | Texas (USA)
Atwood Oceanics Australia Pty Limited |  | Australia
Atwood Oceanics LLC |  | Texas (USA)
Atwood Oceanics Management, LLC |  | Delaware (USA)
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 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 Holdings I Ltd. |  | Cayman Islands
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 United Incorporated |  | Delaware (USA)
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 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 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 S. de R.L. de C.V. |  | Mexico
Rowan Drilling Services Limited |  | Gibraltar
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

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 Deep Seas, Ltd. |  | Partnership Interests |  | 99.00%
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 Management LLC |  | 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 Holdings I Ltd. |  | Ordinary 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 United Incorporated |  | 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 Drilling, S. De R.L. De C.V. |  | Percentage Ownership Interest |  | 99.90%
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%