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Simpson Thacher Advises Blackstone on the Sale of Park Avenue Tower to SL Green

10.20.25

Simpson Thacher represented Blackstone in connection with its sale of the Park Avenue Tower in Manhattan to SL Green for $730 million. The 36-story tower, completed in 1986, is located at 65 E. 55th St. and has 621,824 square feet of space.

The Simpson Thacher team includes Scott Kobak, Austin Hart, Shane Herskowitz, Isabel Florentino (Real Estate); Nancy Mehlman, Edward Grais, Jiha Min (Tax); Jeanne M. Annarumma, Andrew Blau, Jana Hymowitz, Alexander Kharash, and J. Pasco Struhs (Executive Compensation & Employee Benefits).