National Retail Properties, Inc. (NNN) is a fully integrated real estate investment trust (REIT). NNN's assets include real estate assets, mortgages and notes receivable, and commercial mortgage residual interests. NNN acquires, owns, invests in and develops properties that are leased to retail tenants under long-term net leases and primarily held for investment. As of December 31, 2011, NNN owned 1,422 Properties (including 11 properties with retail operations that NNN operates), with an aggregate gross leasable area of 16,428,000 square feet, located in 47 states. As of December 31, 2011, approximately 97% of the total properties in NNN's Property Portfolio were leased or operated.