ROWAN COMPANIES PLC Contracts & Agreements

Amendment No. 1, Temporary Waiver, and Commitment Reduction Agreement, dated February 28, 2019, by and among RDC Holdings Luxembourg S. r.l., a Luxembourg private limited... (Filed With SEC on March 4, 2019)

Deed of Amendment No. 1 to the Transaction Agreement, dated as of January 28, 2019, by and between Ensco plc and Rowan Companies plc (Filed With SEC on January 29, 2019)

Transaction Agreement, dated as of October 7, 2018, by and between Ensco plc and Rowan Companies plc (Filed With SEC on October 9, 2018)

Employment Agreement, dated as of October 7, 2018, by and between Thomas Burke, Rowan Companies plc, ENSCO Global Resources Limited and, solely for the limited purposes specified... (Filed With SEC on October 9, 2018)

Form of Letter Agreement to Retention Award Agreement (Filed With SEC on January 30, 2018)

Amendment No. 1 to Rowan Asset Transfer and Contribution Agreement, dated 17 October 2017, by and between Saudi Aramco Development Company, Rowan Rex Limited and Saudi Aramco... (Filed With SEC on October 19, 2017)

Amendment No. 1 to Saudi Aramco Asset Transfer and Contribution Agreement, dated 17 October 2017, by and between Saudi Aramco Development Company, Rowan Rex Limited and Saudi... (Filed With SEC on October 19, 2017)

2013 ROWAN COMPANIES PLC INCENTIVEPLAN NON-EMPLOYEE DIRECTOR NON-DEFERREDRESTRICTED SHARE UNIT NOTICE (Filed With SEC on May 25, 2017)

21 November 2016ROWAN REX LIMITED ANDSAUDI ARAMCO DEVELOPMENT COMPANY ROWAN ASSET TRANSFER AND CONTRIBUTION AGREEMENTrelated toSaudi Aramco Rowan Drilling Company (Filed With SEC on February 24, 2017)

21 November 2016ROWAN REX LIMITED ANDSAUDI ARAMCO DEVELOPMENT COMPANY SAUDI ARAMCO ASSET TRANSFER AND CONTRIBUTION AGREEMENTrelated toSaudi Aramco Rowan Drilling Company (Filed With SEC on February 24, 2017)

RESTORATION PLAN OF ROWAN COMPANIES, INC. (As Restated Effective January1, 2013) (Filed With SEC on February 24, 2017)

2013 ROWAN COMPANIES PLC INCENTIVEPLAN FORM OF 20__ EMPLOYEE RESTRICTED SHARE UNIT NOTICE (Filed With SEC on February 24, 2017)

2013 ROWAN COMPANIES PLC INCENTIVEPLAN FORM OF EMPLOYEE RESTRICTED SHARE UNIT NOTICE (Filed With SEC on February 24, 2017)

ROWAN COMPANIES, INC. as the Company ROWANCOMPANIES PLC as Guarantor and U.S. BANK NATIONALASSOCIATION as Trustee EIGHTH SUPPLEMENTAL INDENTURE Dated as of December 19, 2016 to... (Filed With SEC on December 19, 2016)

$500,000,000 RowanCompanies, Inc. 7.375% Senior Notes due 2025 Underwriting Agreement December 6, 2016 Merrill Lynch, Pierce, Fenner & Smith Incorporated Barclays Capital Inc.... (Filed With SEC on December 9, 2016)

FORM OF NON-EMPLOYEE DIRECTOR RESTRICTED SHARENOTICE Pursuant to the 2013 ROWAN COMPANIESPLC INCENTIVE PLAN, as amended (Filed With SEC on May 2, 2016)

Summary of Annual Incentive Plan (AIP) (as of February 2016) (Filed With SEC on February 26, 2016)

EXTENSION AGREEMENT AND AMENDMENT NO. 2 TO AMENDED AND RESTATEDCREDIT AGREEMENT (Filed With SEC on January 29, 2016)

AMENDED AND RESTATED PARENT GUARANTY (Filed With SEC on March 2, 2015)

Summary of Annual Incentive Plan (AIP) (as of February 2015) (Filed With SEC on March 2, 2015)

FORM OF CHANGE IN CONTROL AGREEMENT (Filed With SEC on March 2, 2015)

FORM OF WAIVER AND RELEASE AGREEMENT (Filed With SEC on November 7, 2014)

Rowan Companies Announces ManagementChanges (Filed With SEC on September 23, 2014)

CHANGE IN CONTROL AGREEMENT (Filed With SEC on May 1, 2014)

AMENDMENT TO ROWAN COMPANIESINCENTIVE PLANS (Filed With SEC on May 1, 2014)

AMENDED AND RESTATED PARENT GUARANTY (Filed With SEC on March 3, 2014)

AMENDED AND RESTATED CREDIT AGREEMENT dated as of January 23, 2014 among ROWAN COMPANIES,INC., as Borrower, ROWAN COMPANIES PLC, asParent, THE LENDERS PARTY HERETO FROM TIME TO... (Filed With SEC on January 28, 2014)

ROWAN COMPANIES, INC. as the Company ROWANCOMPANIES PLC as Guarantor and U.S. BANK NATIONALASSOCIATION as Trustee SIXTH SUPPLEMENTAL INDENTURE Dated as of January 15, 2014 to... (Filed With SEC on January 15, 2014)

ROWAN COMPANIES, INC. as the Company ROWANCOMPANIES PLC as Guarantor and U.S. BANK NATIONALASSOCIATION as Trustee SEVENTH SUPPLEMENTAL INDENTURE Dated as of January 15, 2014 to... (Filed With SEC on January 15, 2014)

$ 800,000,000 RowanCompanies, Inc. 4.75% Senior Notes due 2024 and 5.85% Senior Notesdue 2044 Underwriting Agreement January 6,2014 Barclays Capital Inc. Citigroup Global Markets... (Filed With SEC on January 8, 2014)

EXHIBIT 10.2 2013 ROWAN COMPANIES PLC INCENTIVE PLAN (Effective April 26, 2013) EMPLOYEE RESTRICTED SHARE UNIT NOTICE (Filed With SEC on April 30, 2013)

EXHIBIT 10.3 2013 ROWAN COMPANIES PLC INCENTIVE PLAN (Effective April 26, 2013) SHARE APPRECIATION RIGHT NOTICE (Filed With SEC on April 30, 2013)

EXHIBIT 10.4 2013 ROWAN COMPANIES PLC INCENTIVE PLAN (Effective April 26, 2013) [2013-2015] PERFORMANCE UNIT AWARD NOTICE (Filed With SEC on April 30, 2013)

EXHIBIT 10.5 2013 ROWAN COMPANIES PLC INCENTIVE PLAN (Effective April 26, 2013) NON-EMPLOYEE DIRECTOR RESTRICTED SHAREUNIT NOTICE (Filed With SEC on April 30, 2013)

2009 ROWAN COMPANIES, INC. INCENTIVEPLAN (as Amended and Restated and as Assumedand Adopted by Rowan Companies plc, Effective May 4,2012) RESTRICTED SHARE UNIT NOTICE (Filed With SEC on March 8, 2013)

ROWAN COMPANIES PLC RETIREMENT POLICY (Filed With SEC on March 8, 2013)

Summary of Annual Incentive Plan (AIP) (as of February 2012) (Filed With SEC on March 1, 2013)

ROWAN COMPANIES, INC. as the Company ROWAN COMPANIES PLC as Guarantor and U.S. BANK NATIONAL ASSOCIATION as Trustee FIFTH SUPPLEMENTAL INDENTURE Dated as of December 11, 2012 to... (Filed With SEC on December 11, 2012)

$600,000,000 Rowan Companies, Inc. 4.875% Senior Notes due 2022 and 5.400% Senior Notes due 2042 Underwriting Agreement December 4,2012 Barclays Capital Inc. Citigroup Global... (Filed With SEC on December 5, 2012)

COMMITMENT INCREASE AGREEMENT AND AMENDMENTNO. 3 TO CREDIT AGREEMENT (Filed With SEC on December 5, 2012)

EXHIBIT 10.14 (Filed With SEC on November 8, 2012)

2009 ROWAN COMPANIES, INC. INCENTIVE PLAN (as Amended and Restated and as Assumed by Rowan Companies plc, Effective May 4, 2012) FORM OF 2012-2014 PERFORMANCE UNIT AWARD NOTICE (Filed With SEC on November 8, 2012)

2009 ROWAN COMPANIES, INC. INCENTIVE PLAN (as Amended and Restated and as Assumed and Adopted by Rowan Companies plc, Effective May 4, 2012) NON-EMPLOYEE DIRECTOR RESTRICTED SHARE... (Filed With SEC on August 6, 2012)

$500,000,000 Rowan Companies, Inc. 4.875% Senior Notes due 2022 Underwriting Agreement May 16, 2012 Citigroup Global Markets Inc. RBC Capital Markets, LLC Wells Fargo Securities,... (Filed With SEC on May 21, 2012)

ROWAN COMPANIES, INC. as the Company ROWAN COMPANIES PLC as Guarantor and U.S. BANK NATIONAL ASSOCIATION as Trustee FOURTH SUPPLEMENTAL INDENTURE Dated as of May 21, 2012 to... (Filed With SEC on May 21, 2012)

ROWAN COMPANIES, INC. as the Company ROWAN COMPANIES PLC as Guarantor and U.S. BANK NATIONAL ASSOCIATION as Trustee THIRD SUPPLEMENTAL INDENTURE Dated as of May 4, 2012 to... (Filed With SEC on May 4, 2012)

AMENDMENT NO. 2 TO CREDIT AGREEMENT (Filed With SEC on May 4, 2012)

PARENT GUARANTY (Filed With SEC on May 4, 2012)

DATED THIS 4TH DAY OF MAY 2012 ROWAN COMPANIES PUBLIC LIMITED COMPANY DEED OF ASSUMPTION relating to Equity Incentive Plans of Rowan Companies, Inc. DEED OF ASSUMPTION OF ROWAN... (Filed With SEC on May 4, 2012)

2009 ROWAN COMPANIES, INC. INCENTIVE PLAN (as Amended and Restated and as Assumed and Adopted by Rowan Companies plc, Effective May 4,2012) TABLE OF CONTENTS (Filed With SEC on May 4, 2012)

2009 ROWAN COMPANIES, INC. INCENTIVE PLAN (as Amended and Restated andas Assumed and Adopted by Rowan Companies plc, Effective May 4, 2012) RESTRICTED SHARE NOTICE (Filed With SEC on May 4, 2012)

2009 ROWAN COMPANIES, INC. INCENTIVE PLAN (as Amended and Restated andas Assumed and Adopted by Rowan Companies plc, Effective May 4, 2012) RESTRICTED SHARE UNIT NOTICE (Filed With SEC on May 4, 2012)

2009 ROWAN COMPANIES, INC. INCENTIVE PLAN (as Amended and Restated andas Assumed and Adopted by Rowan Companies plc, Effective May 4, 2012) NON-EMPLOYEE DIRECTOR RESTRICTED SHARE... (Filed With SEC on May 4, 2012)

2009 ROWAN COMPANIES, INC. INCENTIVE PLAN (as Amended and Restated andas Assumed and Adopted by Rowan Companies plc, Effective May 4, 2012) SHARE APPRECIATION RIGHT NOTICE (Filed With SEC on May 4, 2012)

AMENDMENT TO THE ROWAN COMPANIES, INC. RESTATED 1988 NONQUALIFIED STOCK OPTION PLAN (Filed With SEC on May 4, 2012)

AMENDMENT TO THE ROWAN COMPANIES, INC. 1998 NONEMPLOYEE DIRECTORS STOCK OPTION PLAN (Filed With SEC on May 4, 2012)

AMENDMENT TO THE 2005 ROWAN COMPANIES, INC. LONG-TERM INCENTIVE PLAN (Filed With SEC on May 4, 2012)

NOTICE REGARDING YOUR CHANGE IN CONTROL AGREEMENT AND SUPPLEMENT (Filed With SEC on May 4, 2012)

AMENDMENT NO. 1 TO AGREEMENT AND PLAN OF MERGER AND REORGANIZATION (Filed With SEC on April 12, 2012)

2009 ROWANCOMPANIES, INC. INCENTIVE PLAN 2012 RESTRICTED STOCK NOTICE (Filed With SEC on March 15, 2012)

2009 ROWAN COMPANIES, INC. INCENTIVE PLAN 2011 STOCK APPRECIATION RIGHT NOTICE (Filed With SEC on February 28, 2012)

[Execution Page Follows] (Filed With SEC on November 3, 2011)

AMENDMENT NO. 1 AND CONSENT (Filed With SEC on August 4, 2011)

PURCHASE AND SALE AGREEMENT by and among ROWAN COMPANIES, INC., as SELLER, ENSIGN UNITED STATES DRILLING (S.W.) INC., as BUYER, and ENSIGN ENERGY SERVICES INC., as PARENT... (Filed With SEC on July 20, 2011)

STOCK PURCHASE AGREEMENT between Rowan Companies, Inc. (Seller) and Joy Global Inc. (Buyer) Dated as of May 13, 2011 TABLE OF CONTENTS (Filed With SEC on May 18, 2011)

LETOURNEAU TECHNOLOGIES, INC. INCENTIVE PLAN (Filed With SEC on March 1, 2011)

Exhibit 10.1 CREDITAGREEMENT datedas of September 16, 2010 among ROWANCOMPANIES, INC., asBorrower, THELENDERS PARTY HERETO FROM TIME TO TIME asLenders and WELLSFARGO BANK,... (Filed With SEC on September 16, 2010)

ROWANCOMPANIES, INC. asthe Company and U.S.BANK NATIONAL ASSOCIATION asTrustee SECONDSUPPLEMENTAL INDENTURE Datedas of August 30, 2010 to INDENTURE Datedas of July 21, 2009... (Filed With SEC on August 30, 2010)

$400,000,000 Rowan Companies, Inc. 5% Senior Notes due 2017 Underwriting Agreement August 19, 2010 Citigroup Global Markets Inc. RBC Capital Markets Corporation Wells Fargo... (Filed With SEC on August 23, 2010)

RESTORATIONPLAN OF ROWANCOMPANIES, INC. (AsRestated Effective July1, 2009) (Filed With SEC on March 1, 2010)

AMENDMENTNO. 1 TO COMMITMENTTO GUARANTEE OBLIGATIONS (Filed With SEC on November 24, 2009)

SUPPLEMENTNO. 2 TO TRUSTINDENTURE (Filed With SEC on November 24, 2009)

AMENDMENT TO AMENDEDAND RESTATED RIGHTSAGREEMENT (Filed With SEC on November 2, 2009)

INDEMNIFICATIONAGREEMENT (Filed With SEC on November 2, 2009)

2009ROWAN COMPANIES, INC. INCENTIVE PLAN 2009STOCK APPRECIATION RIGHT AGREEMENT (Filed With SEC on August 10, 2009)

Exhibit10.3 2009ROWAN COMPANIES, INC. INCENTIVE PLAN 2009RESTRICTED STOCK AGREEMENT (Filed With SEC on August 10, 2009)

Exhibit10.4 ROWANCOMPANIES, INC. 2009 INCENTIVE PLAN NON-EMPLOYEEDIRECTOR 2009 RESTRICTED STOCK UNIT AGREEMENT (Filed With SEC on August 10, 2009)

AMENDMENTNO. 1 TO COMMITMENT TO GUARANTEEOBLIGATIONS (Filed With SEC on August 10, 2009)

SUPPLEMENTNO. 2 TO TRUSTINDENTURE (Filed With SEC on August 10, 2009)

$500,000,000 (Filed With SEC on July 21, 2009)

ROWAN COMPANIES, INC. AND U.S. BANK NATIONAL ASSOCIATION (Filed With SEC on July 21, 2009)

TABLE OF CONTENTS Page ARTICLE ONE Relation to Indenture; Definitions 1 SECTION 1.01. Relation to Indenture 1 SECTION 1.02. Definitions 1 SECTION 1.03. General References 1... (Filed With SEC on July 21, 2009)

statements, other than statements of historical fact, that address activities, events or developments that we expect, believe or anticipate will or may occur in the future (Filed With SEC on March 2, 2009)

[Rowan Companies, Inc. letterhead] (Filed With SEC on October 31, 2008)

Form of Change in Control Agreement (Filed With SEC on December 21, 2007)

Form of Change in Control Supplement (Filed With SEC on December 21, 2007)

NON-EMPLOYEE DIRECTOR 2006 RESTRICTED STOCK UNIT GRANT PURSUANT TO THE TERMS OF THE ROWAN COMPANIES, INC. 2005 LONG-TERM INCENTIVE PLAN (Filed With SEC on May 10, 2006)

2005 ROWAN COMPANIES, INC. LONG-TERM INCENTIVE PLAN 2006 RESTRICTED STOCK GRANT AGREEMENT (Filed With SEC on May 10, 2006)

2005 ROWAN COMPANIES, INC. LONG-TERM INCENTIVE PLAN 2006 NONQUALIFIED STOCK OPTION AGREEMENT (Filed With SEC on May 10, 2006)

2005 ROWAN COMPANIES, INC. LONG-TERM INCENTIVE PLAN 2006 PERFORMANCE SHARE AWARD AGREEMENT (Filed With SEC on May 10, 2006)

2006 Short-Term Incentive Plans: Profit Sharing Plan and Bonus Plan (Filed With SEC on May 4, 2006)

Memorandum Agreement dated January 26, 2006 (Filed With SEC on March 16, 2006)

Amendment No. 1 dated June 15, 2005 to Commitment to Guarantee Obligations between Rowan and the Maritime Administration of the U. S. Department of Transportation (Filed With SEC on August 9, 2005)

Supplement No. 1 dated June 15, 2005 to Trust Indenture between Rowan and Citibank, N. A (Filed With SEC on August 9, 2005)

Form of Non-Employee Director 2005 Restricted Stock Unit Grant Pursuant to the Terms of the Rowan Companies, Inc. 2005 Long-Term Incentive Plan (Filed With SEC on August 9, 2005)

Form of Non-Employee Director 2006 Restricted Stock Unit Grant Pursuant to the Terms of the Rowan Companies, Inc. 2005 Long-Term Incentive Plan (Filed With SEC on August 9, 2005)

Form of 2005 Rowan Companies, Inc. Long-Term Incentive Plan Restricted Stock Grant Agreement (Filed With SEC on August 9, 2005)

Form of 2005 Rowan Companies, Inc. Long-Term Incentive Plan Nonqualified Stock Option Agreement (Filed With SEC on August 9, 2005)

Form of 2005 Rowan Companies, Inc. Long-Term Incentive Plan Performance Share Award Agreement (Filed With SEC on August 9, 2005)

2005 Short-Term Incentive Plans: Profit Sharing Plan and Bonus Plan (Filed With SEC on May 24, 2005)

10a Amendment No. 1 to Credit Agreement dated May 28, 2003 between Rowan and Citibank, N. A (Filed With SEC on May 10, 2005)

10b Amendment No. 2 to Credit Agreement dated May 28, 2003 between Rowan and Citibank, N. A (Filed With SEC on May 10, 2005)

2005 Rowan Companies, Inc. Long-Term Incentive Plan (Filed With SEC on May 10, 2005)

Restated 1988 Nonqualified Stock Option Plan (Filed With SEC on March 16, 2005)

1998 Nonemployee Director Stock Option Plan (Filed With SEC on March 16, 2005)

1998 Convertible Debenture Incentive Plan (Filed With SEC on March 16, 2005)

2004 Profit Sharing Plan (Filed With SEC on March 16, 2005)

2004 Bonus Plan (Filed With SEC on March 16, 2005)

STOCK PURCHASE AGREEMENT AMONG ROWAN COMPANIES, INC., ERA AVIATION, INC. AND SEACOR HOLDINGS INC. Dated as of October 14, 2004 TABLE OF CONTENTS Page (Filed With SEC on November 8, 2004)

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ROWAN COMPANIES PLC Contracts & Agreements