THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

Rohm and Haas Company (ROH)

3/15/2006 Proxy Information

David Haas is a cousin of Thomas W. Haas. He is also a trustee with John C. Haas, John O. Haas and William D. Haas and two income trusts of which they, together with Wachovia Bank N.A which owns 13.13% of Roahm and Haas shares.

3/18/2005 Proxy Information

David W. Haas is a cousin of Thomas W. Haas.

3/18/2004 Proxy Information

David W. Haas is a cousin of Thomas W. Haas.

3/21/2003 Proxy Information

Dr. Schmitz currently serves as an advisor to Deutsche Bank AG, which is a member of a 23 bank syndicate providing revolving credit to the Company, under which the Company and its subsidiaries may borrow up to $125 million from Deutsche Bank. The Company and its subsidiaries also have other banking relationships with Deutsche Bank in the normal course of business. Also, Mr. Montoya is an executive officer of The Procter & Gamble Company, a customer of the Company and its subsidiaries. None of these relationships is material to the Company or the entity with which the director is associated.

John C. Haas is a retired officer and director of Rohm and Haas. John O. Haas, William D. Haas, and Thomas W. Haas, are the sons of the late F. Otto Haas and the nephews of John C. Haas. David W. Haas is a cousin of Thomas W. Haas.

Jorge P. Montoya is an executive officer of The Procter & Gamble Company, a customer of the Company and its subsidiaries.