ARMOUR Residential REIT, Inc. announced that the Board of Directors has appointed Ms. Carolyn Downey as a new independent member of the Board of Directors of the company, effective September 3, 2013. Ms. Downey has also been appointed as a member of the Nominating and Corporate Governance Committee, effective September 3, 2013. The Board of Directors has further appointed Mr. Mark Gruber, Head of Portfolio Management, to the additional post of Chief Operating Officer of the company, effective September 3, 2013.