X0303 4 2008-09-02 0000084792 ROHM & HAAS CO ROH 0001184227 OMENN GILBERT S UNIVERSITY OF MICHIGAN A510C MSRB-1 ANN ARBOR MI 48109 1 0 0 0 Common Stock 2008-03-03 5 A 0 99.1101 0 A 49108.3673 D Common Stock 2008-06-02 5 A 0 111.3579 0 A 49207.4774 D Common Stock 2008-09-02 4 A 0 188.3371 75.145 A 49395.8145 D Shares were acquired as a result of the reporting person's participation in the dividend reinvestment program offered to Rohm and Haas Company shareholders. Deferred stock shares were granted as dividends on deferred stock shares under the 1997 Non-Employee Directors' Stock Plan and the 2005 Non-Employee Directors' Stock Plan. Each deferred stock share will be converted to one share of Rohm and Haas Company common stock after the reporting person leaves the Board of Directors. Cathlene M. Britt on behalf of Gilbert S. Omenn 2008-09-02