Empire State Realty Trust (ESRT) 10-Q 2015 Q2 Quarterly report

EXHIBIT 32.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

The undersigned, the Executive Vice President, Chief Financial Officer and Treasurer of Empire State Realty Trust, Inc. (the "Company"), hereby certifies on the date hereof, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of The Sarbanes-Oxley Act of 2002, that the Quarterly Report on Form 10-Q for the six months ended June 30, 2015 (the "Form 10-Q"), filed concurrently herewith by the Company, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and that the information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 5, 2015 EMPIRE STATE REALTY TRUST, INC. By: /s/ David A. Karp 
Executive Vice President, Chief Financial Officer and Treasurer