SL Green Realty Corp. (NYSE: SLG), Manhattan’s largest office landlord, today announced that it has acquired 245 Park Avenue. The 1.8 million-square-foot, 44-story, Class A office property with a prime Park Avenue location strengthens the company’s premier portfolio in the Grand Central/Park Avenue submarket. The Company previously had a preferred equity investment in the property. In addition, the Company continues to pursue collection of its $185 million arbitration award from an affiliate of the asset’s former owner, both part of the HNA Group. The property continues to be subject to the in-place mortgage and mezzanine loans totaling $1.768 billion, which mature in June 2027 and have a combined fixed rate of 4.30%, on existing terms.