SL Green Realty : Expands ABN AMRO at 100 Park Avenue

International Bank Increases Occupancy to 54,000 Square Feet

New York, NY - April 11, 2017 -SL Green Realty Corp (NYSE: SLG), New York City's largest commercial landlord, today announced it has signed a lease renewal and expansion covering 54,037 square feet with ABN AMRO Holdings USA, LLC at 100 Park Avenue. The transaction includes a term extension of ABN's existing 43,148 square feet together with 10,889 square feet of expansion space for a 10+ year lease term.

ABM AMRO is a leading Dutch bank that offers a full range of products and services to retail, private and corporate clients.

'This is the third time that ABN AMRO has expanded at 100 Park Avenue since moving into the building in 2009,' said Steven Durels, executive vice president, director of leasing and real property for SL Green. 'We are delighted to accommodate the bank's growth and extend a valued relationship with such a prestigious tenant.'

Strategically situated one block south of Grand Central Terminal and fully redeveloped in 2008, 100 Park is LEED Gold certified and was the first building of its type in New York to feature green roofs. The building is a past recipient of the BOMA award for 'International Building of the Year' and is the preferred choice for a wide diversity of prominent tenants including Wells Fargo, Aetna, WPP Group USA and BDO Seidman.

Christopher Kraus of Jones Lang LaSalle represented ABN AMRO, while a Cushman & Wakefield team comprised of Tara Stacom, Barry Zeller, Justin Royce and Connor Daugstrup acted on behalf of the landlord.

About SL Green Realty Corp.

SL Green Realty Corp., an S&P 500 company and New York City's largest office landlord, is a fully integrated real estate investment trust, or REIT, that is focused primarily on acquiring, managing and maximizing value of Manhattan commercial properties. As of December 31, 2016, SL Green held interests in 127 Manhattan buildings totaling 47.8 million square feet. This included ownership interests in 28.1 million square feet of Manhattan buildings and debt and preferred equity investments secured by 19.7 million square feet of buildings. In addition, SL Green held ownership interests in 30 suburban buildings totaling 4.8 million square feet in Brooklyn, Long Island, Westchester County, Connecticut and New Jersey. To be added to the Company's distribution list or to obtain the latest news releases and other Company information, please visit our website at www.slgreen.com or contact Investor Relations at (212) 594-2700.