X0203 3 2010-04-21 0 0001282977 GREENHILL & CO INC GHL 0001491607 Cassin Brian J. GREENHILL & CO., INC. 300 PARK AVENUE NEW YORK NY 10022 0 1 0 0 Managing Director Common Stock 50399 D Common Stock 60000 I See Footnote 1 These shares of Common Stock are directly owned by CFH Limited, a trust established for the benefit of the reporting person and his family. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. /s/ Ulrika Ekman, Attorney-in-Fact for Brian J. Cassin 2010-05-10