THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

A.M. Castle & Co. (CAS)

3/31/2006 Proxy Information

Mr. Simpson is Chairman Emeritus of A.M. Castle & Co. and was elected Vice President in 1977 and Chairman in 1979. He retired as an officer of Castle in August 2001 and stepped down as Chairman in January 2004.

Mr. Herbert has served as President of Simpson Estates, Inc. (private asset management firm) since 1992. The general partners of W.B. & Co. are Patrick J. Herbert, III and Simpson Estates, Inc. W. B. & CO is the owner of 4,117,100 company shares.

On November 22, 2002, the Company concluded a sale of 12,000 shares of newly created Series A Cumulative Convertible Preferred Stock (the “Series A Preferred”) for an aggregate purchase price of $12,000,000. Castle sold the Series A Preferred in a private placement to a number of current shareholders mainly comprising W.B. & Co., an Illinois partnership. The Series A Preferred stock has an initial conversion price of $6.69 per share of common stock. The Series A Preferred is entitled to a quarterly dividend equal to the greater of 8% per annum or the total dividends declared and paid on the common stock calculated on a converted basis each year. Castle agreed in connection with the sale to register the common stock when converted under the Securities Act of 1933 and have it listed on the stock exchanges over which Castle stock is traded. The common stock ownership reported in this proxy is calculated and shown as if the Series A Preferred was converted to common stock. The 12,000 shares of Series A Preferred would convert at $6.69 a share into 1,793,722 shares of common stock.

3/18/2005 Proxy Information

On November 22, 2002, the Company concluded a sale of 12,000 shares of newly created Series A Cumulative Convertible Preferred Stock (the “Series A Preferred”) for an aggregate purchase price of $12,000,000. Castle sold the Series A Preferred in a private placement to a number of current shareholders mainly comprising W.B. & Co., an Illinois partnership. The Series A Preferred stock has an initial conversion price of $6.69 per share of common stock. The Series A Preferred is entitled to a quarterly dividend equal to the greater of 8% per annum or the total dividends declared and paid on the common stock calculated on a converted basis each year. Castle has agreed in connection with the sale to register the common stock when converted under the Securities Act of 1933 and have it listed on the stock exchanges over which Castle stock is traded. The common stock ownership reported in this proxy is calculated and shown as if the Series A Preferred was converted to common stock. The 12,000 shares of Series A Preferred would convert at $6.69 a share into 1,793,722 shares of common stock.

Mr. Patrick J. Herbert has served as President of Simpson Estates, Inc. (private asset management firm) since 1992. The general partners of W.B. & Co. are Patrick J. Herbert, III and Simpson Estates, Inc. W. B. & CO is the owner of 4,166,100 company shares.

Mr. Michael Simpson is Chairman Emeritus of A.M. Castle & Co. He was elected Vice President of Castle in 1977 and Chairman in 1979. Mr. Simpson retired as an Officer of Castle in August 2001 and stepped down as Chairman in January 2004.

3/12/2004 Proxy Information

On November 22, 2002, the Company concluded a sale of 12,000 shares of newly created Series A Cumulative Convertible Preferred Stock (the “Series A Preferred”) for an aggregate purchase price of $12,000,000. Castle sold the Series A Preferred in a private placement to a number of current shareholders mainly comprising W.B. & Co., an Illinois partnership. The Series A Preferred stock has an initial conversion price of $6.69 per share of common stock. The Series A Preferred is entitled to a quarterly dividend equal to the greater of 8% per annum or the total dividends declared and paid on the common stock calculated on a converted basis each year. Castle has agreed in connection with the sale to register the common stock when converted under the Securities Act of 1933 and have it listed on the stock exchanges over which Castle stock is traded. The common stock ownership reported in this proxy is calculated and shown as if the Series A Preferred was converted to common stock. The 12,000 shares of Series A Preferred would convert at $6.69 a share into 1,793,722 shares of common stock.

Mr. Michael Simpson is Chairman Emeritus of A.M. Castle & Co. He was elected Vice President of Castle in 1977 and Chairman in 1979. Mr. Simpson retired as an Officer of Castle in August 2001 and stepped down as Chairman in January 2004.

3/18/2003 Proxy Information

No related party transactions or special relationships reported for this company. Director relationships marked "Outside Related" at this firm will most often be former executives of the company. Additional information regarding these relationships will be added during our regular updates.