X0306 4 2019-08-22 0 0001282977 GREENHILL & CO INC GHL 0001288439 BOK SCOTT L GREENHILL & CO., INC. 300 PARK AVENUE NEW YORK NY 10022 1 1 0 0 Chief Executive Officer Common Stock 2019-08-22 4 P 0 16791 13.73 A 16791 D Common Stock 2019-08-23 4 P 0 19970 13.70 A 36761 D Common Stock 867463 I See Footnote Common Stock 288783 I See Footnote Common Stock 409859 I By grantor retained annuity trust Common Stock 263917 I By grantor retained annuity trust These shares of Common Stock are directly owned by Bok Family Partners, L.P., a Delaware limited partnership, of which Scott L. Bok is the general partner. Scott L. Bok disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. These shares of Common Stock are directly owned by the Bok Family Foundation. Mr. Bok expressly disclaims beneficial ownership of these securities. On November 7, 2018, Mr. Bok contributed 409,859 shares of Greenhill & Co., Inc. Common Stock to a grantor retained annuity trust for the benefit of himself and his two children. On May 6, 2019, Mr. Bok contributed 263,917 shares of Greenhill & Co., Inc. Common Stock to a grantor retained annuity trust for the benefit of himself and his two children. /s/ Harold J. Rodriguez, Jr., Attorney-in-Fact for Scott L. Bok 2019-08-26