SL Green Realty Corp. is a self-managed real estate investment trust (REIT), with in-house capabilities in property management, acquisitions, financing, development, construction and leasing. As of December 31, 2010, the Company owned interests in commercial office properties in the New York Metropolitan area, primarily in midtown Manhattan. Its investments in the New York Metropolitan area also include investments in Brooklyn, Queens, Long Island, Westchester County, Connecticut and New Jersey, which are collectively known as the Suburban assets. During the year ended December 31, 2010, the Company acquired 125 Park Avenue. During 2010, it also completed the foreclosure of the senior mezzanine loan at 100 Church Street. During 2010, it sold 19 West 44th Street. In April 2011, the Company acquired SITQ’s entire interest in 1515 Broadway. In December 2011, it acquired all of the interest in 51 E. 42nd Street, a Midtown Manhattan office building.