Stock Trading History of Kirshbaum Michael T

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 Kirshbaum Michael T since year 2005. The trader's CIK number is 1353721. At the time of this reporting, Kirshbaum Michael T is the Chief Financial Officer of Advisory Board Co . (stock ticker symbol ABCO). See this page for all insider trading activities at Advisory Board Co .

Stock purchases, sales, and option exercises reported by insider *Kirshbaum Michael T* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-02-28	ABCO	Advisory Board Co	Sale	945	55.80	52,731
2008-02-28	ABCO	Advisory Board Co	Option Exercise	945	11.88	11,226
2007-08-31	ABCO	Advisory Board Co	Sale	945	57.18	54,033
2007-08-31	ABCO	Advisory Board Co	Option Exercise	945	11.88	11,226
2007-05-30	ABCO	Advisory Board Co	Sale	945	50.17	47,410
2007-05-30	ABCO	Advisory Board Co	Option Exercise	945	11.88	11,226

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 Kirshbaum Michael T (Chief Financial Officer of Advisory Board Co at the time of this reporting) see the Securities and Exchange Commission (SEC) website.