Stock Trading History of Duffy Terrence A

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Duffy Terrence A since year 2005. The trader's CIK number is 1212809. At the time of this reporting, Duffy Terrence A is the of Chicago Mercantile Exchange Holdings Inc (stock ticker symbol CME).

Stock purchases, sales, and option exercises reported by *Duffy Terrence A* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-01-04	CME	Chicago Mercantile Exchange Holdings Inc	Sale	4,000	525.00	2,100,000
2006-02-21	CME	Chicago Mercantile Exchange Holdings Inc	Sale	2,000	411.34	822,670
2005-09-09	CME	Chicago Mercantile Exchange Holdings Inc	Sale	3,700	303.66	1,123,542
2005-06-10	CME	Chicago Mercantile Exchange Holdings Inc	Sale	2,100	244.27	512,967
2005-04-28	CME	Chicago Mercantile Exchange Holdings Inc	Sale	3,288	198.87	653,874

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Duffy Terrence A ( of Chicago Mercantile Exchange Holdings Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.