COMPUTATON OF PER SHARE EARNINGS

Published on April 2, 2001





EXHIBIT 11


BARRETT BUSINESS SERVICES, INC.
STATEMENT OF CALCULATION OF BASIC
AND DILUTED COMMON SHARES OUTSTANDING



Year Ended
December 31, 2000
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Weighted average number of basic shares outstanding 7,237,262

Stock option plan shares to be issued at prices
ranging from $1.93 to $17.94 per share 985,797

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 (946,200)
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Weighted average number of diluted shares outstanding 7,276,859
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