MFA Financial, Inc., is engaged in the business of investing, on a leveraged basis, in residential Agency mortgage-backed securities (MBS) and Non-Agency MBS. Its business objective is to generate net income for distribution to its stockholders resulting from the difference between the interest and other income it earn on its investments and the interest expense it pays on the borrowings, which it uses to finance its leveraged investments and its operating costs. Its operating policies require that at least 50% of its investment portfolio consist of ARM-MBS, which are either Agency MBS or rated in two rating categories by at least one of rating agency, such as Moody�s Investors Services, Inc., Standard & Poor�s Corporation (S&P) or Fitch, Inc. The remainder of its assets may consist of direct or indirect investments in other types of MBS and residential mortgage loans; other mortgage and real estate-related debt and equity; and other yield instruments.