STATEMENT OF CALCULATION OF OUTSTANDING SHARES
Published on March 31, 1999
EXHIBIT 11
BARRETT BUSINESS SERVICES, INC.
STATEMENT OF CALCULATION OF BASIC
AND DILUTED COMMON SHARES OUTSTANDING
Year Ended
December 31, 1998
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Weighted average number of basic shares outstanding 7,664,016
Stock option plan shares to be issued at prices ranging
from $3.50 to $18.00 per share 712,777
Warrants issued at a price of $4.20 per share 9,643
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 (675,539)
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Weighted average number of diluted shares outstanding 7,710,897
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