NORSK T ILLIT S M A N N N ORW EG IAN TRUSTEE (Dette brevet til obligasjonseierne er kim utarbeidet på engelsk. For ytterligere informasjon vennligst ta kontakt med Norsk Tillitsmann ASA på telefon +47 22 82 94 00.) To the bondholders in US$ 180 million FRN Rubicon Offshore Holdings Ltd. Senior Secured Callable Bond Issue 2007/2014 ISIN NO 001 036172.8 Oslo, 18 July 2011 Mandatory redemption Norsk Tillitsmann ASA ("NT") is appointed as loan trustee for the holders of the bonds in the above mentioned loan with ISIN NO 001 036172.8 (the "Loan") issued by Rubicon Offshore Holdings Ltd. (the "Company"). The Company has today sold the vessel "Rubicon Maverick" for US$ 35,500,000 which pursuant to clause 10.4 of the amended and restated loan agreement dated 10 March 2011 triggers a partial pro rata redemption of the Loan at par value (100 %) plus accrued interest within 30 days. The Record Date will be end of business 19 July 2011. The Redemption Date will be 21 July 2011 The principal amount to be redeemed is US$ 35,500,000 and the accrued interest to be paid is US$ 30,322.18 in total a payment ofUS$ US$ 35,530,322.18. Yours sincerely Norsk Tillitsmann ASA L_2479512_V1 15.07.11 95482-012 PO Box 1470 Vika, N-0116 Oslo | Haakon VIIs gate i, Oslo Switchboard:+47 22 87 94 00 | Fax: +47 22 87 9410 | www.trustee.no