GREENHILL & CO. REPORTS FOURTH QUARTER AND FULL YEAR 2017 RESULTS

NEW YORK, February 6, 2018 – Greenhill & Co., Inc. (NYSE: GHL) today reported
revenues of $239.2 million, a loss before taxes of $0.3 million, a net loss allocated to
common stockholders of $26.7 million and a diluted loss per share of $0.83 for the year
ended December 31, 2017.