Federal National Mortgage Association (Fannie Mae) is a government sponsored enterprise (GSE) chartered by the United States Congress. The Company supports liquidity and stability in the secondary mortgage market where mortgage related assets are purchased and sold. The Company's activities include providing market liquidity by securitizing mortgage loans originated by lenders in the primary mortgage market into Fannie Mae mortgage backed securities (Fannie Mae MBS) and purchasing mortgage loans and mortgage related securities in the secondary market for its mortgage portfolio. Fannie Mae operates in three business segments: Single-Family, Multifamily and Capital Markets. Its Single-Family Credit Guaranty and Multifamily businesses work with its lender customers to purchase and securitize mortgage loans customers deliver to the Company into Fannie Mae MBS. Fannie Mae conducts its business in the United States residential mortgage market and the global securities market.