X0306 4 2018-11-09 0 0001284812 COHEN & STEERS INC CNS 0001181438 STEERS ROBERT HAMILTON 280 PARK AVE, 10TH FLOOR NEW YORK NY 10017 1 1 1 0 Chief Executive Officer Common Stock 2018-11-09 5 G 0 E 6740491 0.00 D 175031 D Common Stock 2018-11-09 5 G 0 E 6740491 0.00 A 6740491 I By the Robert H. Steers 2018 Revocable Trust Common Stock 4218897 I By the Steers 2014 Descendents' Trust Common Stock 950920 I By the Robert H. Steers Family Trust Represents a transfer by Mr. Steers to a revocable trust in connection with Mr. Steers' long-term estate planning strategy. Shares owned by the Robert H. Steers 2018 Revocable Trust. Mr. Steers and a member of his immediate family serve as trustees of the trust. Mr. Steers disclaims beneficial ownership of these shares except to the extent of his pecuniary interest. Shares owned by the Steers 2014 Descendents' Trust for the benefit of Mr. Steers' family. Members of Mr. Steers' immediate family serve as trustees of the trust. Mr. Steers disclaims beneficial ownership of these shares, and the filing of this Form 4 is not an admission that Mr. Steers is the beneficial owner of these shares for purposes of Section 16 or for any other purpose. Shares owned by the Robert H. Steers Family Trust for the benefit of Mr. Steers' family. A member of Mr. Steers' immediate family serves as trustee of the trust. Mr. Steers disclaims beneficial ownership of these shares, and the filing of this Form 4 is not an admission that Mr. Steers is the beneficial owner of these shares for purposes of Section 16 or for any other purpose. /s/ Francis C. Poli, Attorney-in-Fact 2018-11-09