Type	Name	Date
Credit agreement	Amendment No. 2 to Credit Agreement, among Rowan Companies, Inc., Rowan Companies plc and Wells Fargo Bank, National Association, as Swingline Lender, Issuing Lender, a Lender and Administrative Agent	05/04/2012
Credit agreement	Amendment No. 2 to Credit Agreement, among Rowan Companies, Inc., Rowan Companies plc and Wells Fargo Bank, National Association, as Swingline Lender, Issuing Lender, a Lender and Administrative Agent	05/04/2012
Credit agreement	Amendment No. 2 to Credit Agreement, among Rowan Companies, Inc., Rowan Companies plc and Wells Fargo Bank, National Association, as Swingline Lender, Issuing Lender, a Lender and Administrative Agent	05/04/2012
Credit agreement	Credit Agreement among Rowan Companies, Inc., as Borrower, the Lenders named therein, Wells Fargo Bank, National Association, as Administrative Agent, Issuing Lender and Swingline Lender and Citibank, N.A., DnB Nor Bank ASA and Royal Bank of Canada, as Co-Syndication Agents	09/16/2010

Type	Name	Date
By-Laws	Amended and Restated Bylaws of the Registrant	05/03/2010

Type	Name	Date
Acquisition / asset purchase agreement	Purchase and Sale Agreement, by and among Rowan Companies, Inc., Ensign United States Drilling (S.W.) Inc. and Ensign Energy Services Inc.	07/20/2011