EXHIBIT 11
BARRETT BUSINESS SERVICES, INC.
STATEMENT OF CALCULATION OF BASIC
AND DILUTED COMMON SHARES OUTSTANDING
Three Months
Ended
June 30, 2002
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Weighted average number of basic shares outstanding 5,806,021
Stock option plan shares to be issued at prices ranging from $1.45 to $17.75
per share 248,365
Less: Assumed purchase at average market price during the period using
proceeds received upon exercise of options and purchase of stock,
and using tax benefits of compensation due to premature dispositions (228,164)
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Weighted average number of diluted shares outstanding 5,826,222
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