ROWAN COMPANIES, INC. as the Company ROWAN COMPANIES PLC as Guarantor and as Trustee FOURTH SUPPLEMENTAL INDENTURE Dated as of May 21, 2012 to INDENTURE Dated as of July 21, 2009Fourth Supplemental Indenture • May 21st, 2012 • Rowan Companies PLC • Drilling oil & gas wells • New York
FOURTH SUPPLEMENTAL INDENTURE, dated as of May 21, 2012 (this “Supplemental Indenture”), by and among ROWAN COMPANIES, INC., a corporation duly organized and existing under the laws of the State of Delaware (the “Company”), ROWAN COMPANIES PLC, a public limited company incorporated under the laws of England and Wales (“Rowan UK”), and U.S. BANK NATIONAL ASSOCIATION, a nationally chartered banking association, as trustee under the Indenture referred to below (in such capacity, the “Trustee”).
