UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934

EnscoValaris plc

NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS

to be held on 20 May 201915 June 2020

This summary highlights information contained elsewhere in this proxy statement. This summary does not contain all of the information you should consider, and you should read the entire proxy statement carefully before voting. For more complete information regarding our 20182019 fiscal performance, please review our annual report on Form 10-K for the period ended 31 December 2018.2019. This proxy statement, our 20182019 annual report and a proxy card are first being sent or distributed to shareholders on or about 8 April 2019.6 May 2020.

20192020 Annual General Meeting of Shareholders    

11:59 p.m. Eastern Time on 14 May 20199 June 2020 for shares held in the EnscoCompany's Savings Plan

During 2018, EnscoSince our last annual general meeting of shareholders, Valaris has proactively engaged with shareholders, refreshed the Board and its peers in the offshore drilling industry continued to face headwinds from a deepenhanced governance. Our recent Board refreshment and abiding industry downturn caused by low commodity prices that made many projects uneconomic for customers. Through this downturn, which has led to declines in customer capital expenditures, declines in the demand for offshore drilling services and an oversupply of rigs, we have remained focused on positioning ourselves to capitalise on the recovery as it eventually unfolds, for the long term benefitgovernance enhancement efforts include:

Our executive compensation philosophy is based on the principle thatpromotion of the creation of long term shareholder value is the most important measure of executive officer performance. The business objectives against which we measure our performance include:following principles:

3.4.   Why did I receive a Notice of Internet Availability of Proxy Materials instead of printed proxy materials?

4.5. Why did I not receive the Notice by mail or e-mail?

7.8. Can I choose the method in which I receive future proxy materials?

9. Can I vote my shares by completing and returning the Notice?

9.10.   When and where is the Meeting and who may attend?

All of the nominees named in Resolutions 1a.-1f., 2a.-2e., and 3a.-3e.1a.-1j. have indicated that they will be willing and able to serve as directors. If any nominee becomes unwilling or unable to serve as a director, the Board may propose another person in place of that nominee, and the individuals designated as your proxies will vote to elect that proposed person. Alternatively, the Board may decide, as appropriate, to reduce the number of directors constituting the full Board.

14.   Are there any other matters to be acted upon at the Meeting?

15.   Who is entitled to vote at the Meeting?

17.   How do I vote?

19.   What if I do not specify a choice for a resolution in my proxy?

21.   What does it mean if I receive more than one Notice?

22.   Who will pay for the cost of this proxy solicitation?

24.   When will EnscoValaris announce the voting results?

26.   What can I do if I have audit concerns?

27.   Who should I contact if I have additional questions?

1a.    J. RODERICK CLARKWILLIAM E. ALBRECHT

1b.    FREDERICK ARNOLD

1d.    MARY E. FRANCIS CBE

1h.    PAUL E. ROWSEY, III

AS DIRECTORS OF THE COMPANY FOR A TERM TO EXPIRE AT THE ANNUAL GENERAL MEETING OF SHAREHOLDERS TO BE HELD IN 2020.2021.

Each of the above Board nominees is an incumbent director of the Company. Under the terms of the Transaction Agreement entered into between the Company and Rowan Companies plc ("Rowan"), dated as of 7 October 7, 2018 (as amended, and as may be further amended from time to time) (the "Transaction Agreement") pursuant to which we have agreed to acquire the entire issued and to be issued Class A ordinary share capital of Rowan (the "Rowan Transaction"“Transaction Agreement”), we have agreed withamended our Corporate Governance Policy to provide that, unless amended, modified or terminated by the unanimous vote of the Board, for two years following the closing of the Rowan thatTransaction, the Board will nominate each of the above Board nominees shall, following closing of the Rowan Transaction, serve on the board of the combined entity (subject to, among other things, annual(other than Messrs. Arnold, Lambert and Weitzman) for re-election by shareholders). The Rowan Transaction has not yet closed but is expected to close prior to the Meeting. Accordingly, in viewBoard, except for the case of such person’s earlier death, resignation, retirement, disqualification or lawful removal.

Nominees

Mr. ClarkAlbrecht has been oneour director since April 2019 and was a director of our directors since 2008. HeRowan from October 2015 until April 2019. Mr. Albrecht has served as President and Chief Operating Officer of Baker Hughes Incorporated from 2004 through January 2008. Before becoming President and Chief Operating Officer, he served as Vice President, Marketing and Technology. Mr. Clark joined Baker Hughes Incorporated during 2001 as President of Baker Petrolite. He formerly served as President and Chief Executive Officer of Consolidated Equipment Companies Inc. He also formerly served as President of Sperry-Sun, a Halliburton company. Mr. Clark has also previously held financial, operational and leadership positions with FMC Corporation, Schlumberger and Grace Energy Corporation. Mr. Clark serves as a director and a business consultant/advisor for Sammons Enterprises, Inc. He is the non-Executive Chairman of the Board of TrusteesCalifornia Resources Corporation (“CRC”), a publicly traded oil and natural gas exploration and production company, since May 2016. He previously served as Executive Chairman of CRC from July 2014 to May 2016. Mr. Albrecht served as Vice President of Occidental Petroleum from May 2008 to July 2014 and as President, Oxy Oil & Gas, Americas from January 2012 to July 2014. Mr. Albrecht also served as President-Oxy Oil & Gas, USA from April 2008 to January 2012. During his tenure with Occidental, Mr. Albrecht had extensive managerial oversight over its upstream assets. Mr. Albrecht has more than 40 years of experience in the Dallas Theological Seminaryoil and also servesgas industry, having previously served as an executive officer for EOG Resources, a domestic energy producer, for eight years and as a trustee. Hepetroleum engineer for Tenneco Oil Company for ten years. Since 2016, Mr. Albrecht serves on the board of directors of Halliburton Company and Terra Energy Partners, a privately-held oil and gas exploration and production company. Mr. Albrecht holds Bachelor of Arts anda Master of Business Administration degreesScience degree from the University of Texas.Southern California and a Bachelor of Science degree from the United States Military Academy. Mr. ClarkAlbrecht is a National Association of Corporate Directors (“NACD”) Board Leadership Fellow and has completed NACD’s comprehensive programme of study for directors and corporate governance professionals. Mr. Albrecht currently serves on our Nominating, Governance and Sustainability Committee and Compensation Committee and as Chairmanour Independent Lead Director.

The particular experience, qualifications, attributes and skills that led our Board to conclude that Mr. Albrecht should serve as a director include his experience in various executive positions with extensive managerial oversight, his over 40 years of experience in the oil and gas industry and his broad experience in proactively engaging with regulatory agencies, communities and other stakeholders.

Mr. Arnold has been our Compensationdirector since November 2019. Mr. Arnold has 40 years of experience, including senior financial leadership positions at global organisations. Prior to his appointment to the Board, Mr. Arnold spent over 20 years as an investment banker advising clients on matters of corporate finance, including capital markets transactions, capital structure optimisation and mergers and acquisitions across various markets and geographies. Mr. Arnold held a series of senior financial positions with private equity portfolio companies, most recently serving as Chief Financial Officer of Convergex Group, LLC, a provider of agency brokerage and investment technology, from July 2015 until May 2017, where he was responsible for capital allocation and financial operations. Previously, Mr. Arnold served as Executive Vice President, Chief Financial Officer and a member of the executive committee of Capmark Financial Group, Inc. from September 2009 to January 2011. He also served as Executive Vice President of Finance for Masonite Corporation from February 2006 to September 2007. While at Willis Group from 2000 to 2003, Mr. Arnold served as Chief Financial and Administrative Officer of Willis North America, as Group Chief Administrative Officer of Willis Group Holdings Ltd. and as Executive Vice President of Strategic Development for Willis Group Holdings Ltd. He also served as a member of the Willis Group executive committee while holding the latter two positions. Mr. Arnold currently serves on the Board of Directors of Navient Corporation and Lehman Brothers Holdings Inc. Mr. Arnold currently serves on our Audit Committee and Finance Committee.

The particular experience, qualifications, attributes and skills that led our Board to conclude that Mr. ClarkArnold should serve as a director include his 33 yearsextraordinary breadth and depth of experience in equity and debt capital markets, operations and governance from his 40-year career in international investment banking and other finance roles, including serving as Chief Financial Officer for multiple companies.

Mr. Burke has served as the President, Chief Executive Officer and a director of Valaris since April 2019. Mr. Burke was appointed President and Chief Executive Officer and elected a director of Rowan in April 2014, serving in those capacities until April 2019. He served as Chief Operating Officer beginning in July 2011 and was appointed President in March 2013. Mr. Burke first joined Rowan in December 2009, serving as Chief Executive Officer and President of LeTourneau Technologies until the sale of LeTourneau in June 2011. From 2006 to 2009, Mr. Burke was a Division President at Complete Production Services, an oilfield services industrycompany, and from 2004 to 2006, served

as its Vice President for Corporate Development. He serves on the executive committee of the International Association of Drilling Contractors, in addition to serving global markets,as the association’s Chairman in 2016.

The particular experience, qualifications, attributes and skills that led our Board to conclude that Mr. Burke should serve as a director include his drillingextensive managerial and industry experience, his service as an executive officer of a Fortune 500 company, his corporate governance, compliance and risk management experience and his boardstrong background in operations and audit committee service for a public company engagedinvestments in tanker shipping operations.the global energy sector.

Ms. Francis has been one of our directorsdirector since May 2013. She is a former senior civil servant in the British Treasury and the Prime Minister'sMinister’s office and was subsequently Director General of the Association of British Insurers. Since 2013, Ms. Francis served on the Board of Directors of Swiss Reinsurance Company Ltd from October 2012 until April 2018, and has previously served as a non-executive director of the Swiss Re Group, having been appointed to the Board of Directors of Swiss Reinsurance Company Ltd. in October 2012. Ms. Francis retired from the boards of Swiss Re Group and Swiss Reinsurance Company Ltd. in April 2018.Group. Ms. Francis was appointed to the Boards of Directors of Barclays PLC and Barclays Bank PLC in October 2016. She served on the Board of Directors of Centrica plc, an integrated energy company, between 2004 and 2014, and was Senior Independent Director from 2006.2006 to 2014. From 2005 to 2012, she served as a non-executive director of Aviva plc, and from 2009 to 2012, she served as a non-executive director of Cable & Wireless Communications Plc. She is also a former non-executive director of the Bank of England, Alliance & Leicester plc and St. Modwen Properties PLC and is a Senior Adviser to the International Relations Institute, Chatham House. She earned a Master of Arts in History from Newnham College, University of Cambridge. Ms. Francis currently serves on our Audit Committee and our Nominating, Governance and GovernanceSustainability Committee.

The particular experience, qualifications, attributes and skills that led our Board to conclude that Ms. Francis should serve as a director include her experience as a director for various British and international public companies, including Swiss Reinsurance Company Ltd, Barclays PLC and Barclays Bank PLC, her tenure as a non-executive director of the Bank of England, Alliance & Leicester plc and St. Modwen Properties PL, her role as a Senior Adviser to the International Relations Institute, Chatham House, her experience as the chairman of board committees for several public companies, her expertise in matters of corporate governance and her experience in senior positions within the U.K.UK government.

C. Christopher Gaut;Georges J. Lambert; age 62; Chief Executive Officer and Chairman of Forum Energy Technologies, Inc.

Mr. Lambert has been our director since November 2019. Prior to joining Coastal Corporation,his appointment to the Board, Mr. Lambert spent more than 20 years as an investment professional, with a focus on value/dividend, cyclicals and complex turnaround situations. Most recently, he spent 19 years with Chevron Corporationwas a Partner and Senior Vice President of The Capital Group from 1999 to June 2019, where he served in various engineering and management positions, including as General Manager of Chevron's international gas unit. He servescapacities as a director of Select Energy Services, Inc., a NYSE-listed oilfieldportfolio manager and equity analyst across multiple sectors including energy services, company, where he chairs the Nominatingtelecommunications and Governance Committee,shipping, and chaired research teams in both energy and telecommunications. Mr. Lambert also serves on the Audit Committee.led Capital International Group’s investment-side European corporate governance efforts between 2008 and 2017. Mr. Rattie previously served on the board of EP Energy, an independent oil and gas exploration and production company with operations in the U.S. Mr. Rattie is a former chairman of the Board of the Interstate Natural Gas Association of America. He holds a Bachelor of Science degree in Electrical Engineering from the University of Washington andLambert earned a Master of Business Administration degreeScience in Finance from St. Mary's College.HEC Paris. Mr. RattieLambert currently serves as Chairman ofon our AuditFinance Committee.

The particular experience, qualifications, attributes and skills that led our Board to conclude that Mr. RattieLambert should serve as a director include his management expertise and capital markets and equity analyst experience, including in the energy services sector, his significant corporate governance experience, his tenure as an investment representative for Capital International Group’s governance and stewardship engagements, his in-depth knowledge of the energy industry and the stock market, and his ability to bring a shareholder perspective to the Board, given his extensive backgroundexperience as a portfolio manager at The Capital Group.

Ms. Nimocks has been our director since April 2019 and was a director of Rowan from December 2010 until April 2019. Ms. Nimocks was formerly a Director (Senior Partner) of McKinsey & Company, a global management consulting firm, from June 1999 to March 2010, and was with the firm in various capacities since 1989, including leader of the firm’s Global Petroleum Practice, Electric Power & Natural Gas Practice, Organization Practice, Risk Management Practice and Strategy Practice. Ms. Nimocks served on several of the firm’s worldwide personnel committees for many years and formerly served as the Houston Office Manager for eight years. Ms. Nimocks currently serves on the boards of ArcelorMittal, Ovintiv Inc. (formerly named Encana Corporation) and Owens Corning, including service on the Appointments, remuneration & corporate governance and sustainability committee of ArcelorMittal; the Human

The particular experience, qualifications, attributes and skills that led our Board to conclude that Mr. Pilenko should serve as a director include his significant international oil and energy policy expertise, his service on boards and committees of publicly traded companies, his extensive experience in the oil and gas energy industry, his prior and current engineering and managementincluding CEO leadership positions, his experience as a chief executive officer in general and with respect to management, stewardship, investor and stakeholder relationships in particular and his knowledge ofstrong background in finance, operations, management and investments in the global equity markets.energy sector.

Mr. Rowsey was appointedserved as Non-Executive Chairman of our Board infrom 2015 to April 2019, and has served as a director since 2000. In September 2017, he retired as the President and Chief Executive Officer of Compatriot Capital, Inc., a real estate investment and operating company, where he was employed since 2011. Prior to joining Compatriot, he was a founder and the managing partner of E2M Partners, LLC, a sponsor and manager of private real estate equity funds and an affiliate of Compatriot. He serves as a member of the Board of Directors of Powdr Corporation, one of the largest alpine skiing and outdoor sports companies in the United States, based in Park City, Utah; KDC Holdings, a national real estate investment and development firm, based in Dallas, Texas; JLB Partners, LLC, a multi-familymultifamily housing development firm and its affiliate, Longbrook Capital Partners, LLC, based in Dallas, Texas; and Invesco Real Estate Income Trust, Inc., a real estate investment company, based in Dallas, Texas. Mr. Rowsey is a 1977 magna cum laude graduate of Duke University with a degree in management science and a 1980 cum laude graduate of Southern Methodist University School of Law. Mr. Rowsey also serves on our Compensation Committee, Finance Committee and as the Chairman of our Nominating, Governance, and GovernanceSustainability Committee.

The particular experience, qualifications, attributes and skills that led our Board to conclude that Mr. Rowsey should serve as a director include his expertise in financial, business and legal matters, including his experience as the President and Chief Executive Officer of Compatriot Capital, Inc., his experience as the founder and the managing partner of E2M Partners, LLC, a sponsor and manager of private real estate equity funds and an affiliate of Compatriot and his extensive negotiating experience in complex business transactions and his general business acumen.