Form: 10-Q

Quarterly report pursuant to Section 13 or 15(d)

August 14, 2001

EXHIBIT 11

Published on August 14, 2001


EXHIBIT 11

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

Three Months
Ended
June 30, 2001
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Weighted average number of basic shares outstanding 6,251,552

Stock option plan shares to be issued at prices
ranging from $1.45 to $17.94 per share -
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 -
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Weighted average number of diluted shares outstanding 6,251,552
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As a result of the net loss reported for the three months ended June 30, 2001,
22,999 of potential common shares have been excluded from the calculation of
diluted loss per share because their effect would be anti-dilutive.