The Advisory Board Company Reports Fiscal Year 2008 Third Quart...(luded as appropriatein results of operat...),Health

THE ADVISORY BOARD COMPANY

RECONCILIATION OF GAAP TO ADJUSTED RESULTS

(In thousands, except per share data)

(Unaudited)

Three Months Ended December 31, 2007

Financial statement GAAP, as Share-based

descriptions reported compensation Adjusted

Cost of services $26,107 $(1,476) $24,631

Member relations and

marketing $11,869 $(701) $11,168

General and administrative $6,754 $(1,403) $5,351

Income from operations $10,234 $3,580 $13,814

Net income $7,912 $2,388 $10,300

Diluted earnings per share $0.42 $0.13 $0.55

Three Months Ended December 31, 2006

Financial statement GAAP, as Share-based

descriptions reported compensation Adjusted

Cost of services $23,334 $(1,041) $22,293

Member relations and

marketing $10,562 $(703) $9,859

General and administrative $5,938 $(1,168) $4,770

Income from operations $8,215 $2,912 $11,127

Net income $6,545 $1,924 $8,469

Diluted earnings per share $0.34 $0.10 $0.44

Nine Months Ended December 31, 2007

Financial statement GAAP, as
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