SIXTH SUPPLEMENTAL INDENTURE among TRANSOCEAN INC. as Issuer TRANSOCEAN LTD. as Guarantor and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee September 13, 2011Supplemental Indenture • September 13th, 2012 • Transocean Ltd. • Drilling oil & gas wells • New York
Contract Type FiledSeptember 13th, 2012 Company Industry JurisdictionIN WITNESS WHEREOF, Transocean Ltd. has caused this Notation of Guarantee to be duly executed as of the date first above written.