X0203 3 2009-09-14 0 0001157377 ADVISORY BOARD CO ABCO 0001472421 VAN HOOSE MARY 2445 M STREET, NW WASHINGTON DC 20037 0 1 0 0 Exec. Director, Career Mgmt Common stock, par value $0.01 per share 4086 D Options to Purchase Common Stock 32.40 2007-02-15 2013-02-18 Common stock, par value $0.01 per share 8000 D Options to Purchase Common Stock 34.81 2008-02-15 2014-03-08 Common stock, par value $0.01 per share 19000 D Options to Purchase Common Stock 39.45 2009-02-15 2012-03-14 Common stock, par value $0.01 per share 18000 D Options to Purchase Common Stock 53.72 2013-03-09 Common stock, par value $0.01 per share 6300 D Options to Purchase Common Stock 51.56 2012-03-06 Common stock, par value $0.01 per share 15400 D Options to Purchase Common Stock 44.76 2013-05-20 Common stock, par value $0.01 per share 15750 D Options to Purchase Common Stock 18.52 2014-04-17 Common stock, par value $0.01 per share 18000 D Options to Purchase Common Stock 18.52 2016-04-17 Common stock, par value $0.01 per share 12000 D Restricted Stock Units Common stock, par value $0.01 per share 1225 D Restricted Stock Units Common stock, par value $0.01 per share 3308 D Restricted Stock Units Common stock, par value $0.01 per share 1100 D Restricted Stock Units Common stock, par value $0.01 per share 1687 D Options to purchase 4,725 shares of common stock were exercisable as of March 9, 2009; options to purchase the remaining 1,575 shares will vest on March 9, 2010. Options to purchase 7,700 shares of common stock were exercisable as of March 6, 2009; options to purchase the remaining 7,700 shares will vest in two equal installments on March 6, 2010 and 2011. Options to purchase 3,938 shares of common stock were exercisable as of March 31, 2009; options to purchase 3,937 shares, 3,938 shares and 3,937 shares of common stock will vest on March 31, 2010, 2011 and 2012, respectively. Options to purchase 7,500 shares, 7,500 shares and 3,000 shares of common stock will vest on April 17, 2010, 2011 and 2012, respectively. Options to purchase 4,500 shares of common stock will vest on April 17, 2012; options to purchase the remaining 7,500 shares will vest on April 17, 2013. On March 31, 2010, 1,225 restricted stock units will vest. An election was made in March 2006 to defer 1,103 of those units until March 31, 2013. Each restricted stock unit represents a contingent right to receive one share of the Company's common stock. Recipients may elect to defer receipt of common stock by making a deferral election in accordance with the terms of the Company's Stock Incentive Plan. Represents fully vested restricted stock units that the recipient elected to defer until March 31, 2013. The deferral election was made in March 2006. Restricted stock units vest in two equal annual installments on March 6, 2010 and March 6, 2011. Restricted stock units vest in the amounts of 562 shares, 563 shares and 562 shares on March 31, 2010, 2011 and 2012, respectively. /s/ Mary D. Van Hoose by Seth A. Allyn by Power-of-Attorney 2009-09-23