Stock Trading History of Leemon Daniel O

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 Leemon Daniel O since year 2005. The trader's CIK number is 1186011. At the time of this reporting, Leemon Daniel O is the Director of Corporate Executive Board Co . (stock ticker symbol EXBD). See this page for all insider trading activities at Corporate Executive Board Co .

Stock purchases, sales, and option exercises reported by insider *Leemon Daniel O* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-04-07	EXBD	Corporate Executive Board Co	Option Exercise	182	.00	0
2008-03-14	EXBD	Corporate Executive Board Co	Option Exercise	135	.00	0
2008-04-07	EXBD	Corporate Executive Board Co	Option Exercise	182	.00	0
2008-03-14	EXBD	Corporate Executive Board Co	Option Exercise	135	.00	0
2008-04-07	EXBD	Corporate Executive Board Co	Option Exercise	182	.00	0
2008-03-14	EXBD	Corporate Executive Board Co	Option Exercise	135	.00	0
2006-03-22	EXBD	Corporate Executive Board Co	Option Exercise	1,000	45.10	45,100
2006-03-16	EXBD	Corporate Executive Board Co	Option Exercise	3,000	45.10	135,300
2006-03-17	EXBD	Corporate Executive Board Co	Sale	1,595	94.37	150,520

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 Leemon Daniel O (Director of Corporate Executive Board Co at the time of this reporting) see the Securities and Exchange Commission (SEC) website.