 NEW YORK--BUSINESS WIRE--Empire State Realty Trust, Inc. NYSE: ESRT the Company, a leading real estate investment trust with office and retail properties in Manhattan and the greater New York metropolitan area, today announced that its Board of Directors has approved a new repurchase authorization of up to 500 million of the Companys Class A common stock Common Stock and Empire State Realty OP, L.P.s ESRO Series ES, Series 250 and Series 60 operating partnership units NYSE A 