Form: 10-Q

Quarterly report pursuant to Section 13 or 15(d)

May 14, 1996

STATEMENT OF CALCULATION OF AVERAGE COMMON

Published on May 14, 1996


EXHIBIT 11
BARRETT BUSINESS SERVICES, INC.
STATEMENT OF CALCULATION OF AVERAGE
COMMON SHARES OUTSTANDING


Three Months
Ended
March 31, 1996
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Primary Earnings Per Share:
Weighted average number of shares 6,555,901
Stock option plan shares to be issued at prices
ranging from $3.50 to $16.363 per share 506,702
Warrant issues at a price of $4.20 per share 90,000
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 (365,965)
---------
Total Primary Shares 6,786,638
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Fully Diluted Earnings Per Share:
Weighted average number of shares 6,555,901
Stock option plan shares to be issued at prices
ranging from $3.50 to $16.363 per share 506,702
Warrant issues at a price of $4.20 per share 90,000
Less: Assumed purchase at the higher of ending or
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 (342,326)
---------
Total Diluted Shares 6,810,277
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