Form: DEFA14A

Additional definitive proxy soliciting materials and Rule 14(a)(12) material

April 16, 1997

DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Published on April 16, 1997



BARRETT BUSINESS SERVICES, INC.

Dear Stockholder:

Due to a problem with the printing of the "Stock Performance Graph" on
page 12 of the Company's Proxy Statement dated April 11, 1997, a complete and
corrected version of the graph appears below.

April 15, 1997 BARRETT BUSINESS SERVICES, INC.

COMPARISON OF FIVE-YEAR CUMULATIVE TOTAL RETURNS
PERFORMANCE GRAPH FOR
BARRETT BUSINESS SERVICES, INC.

Prepared by the Center for Research in Security Prices
Produced on 2/25/97 including data to 12/31/96

[graphic table]

12/31/91 12/31/92 12/31/93 12/30/94 12/29/95 12/31/96
-------- -------- -------- -------- -------- --------

Barrett
Business
Services,
Inc. $169.2 $344.6 $363.1 $375.4

S&P 500
Stocks $89.5 $96.3 $105.7 107.2 147.5 181.8

Self-
Determined
Peer Group 86.8 106.8 118.3 156.4 179.9 193.6


Companies in the Self-Determined Peer Group:

ADIA SERVICES INC CDI CORP
KELLY SERVICES INC MANPOWER INC
OLSTEN CORP ROBERT HALF INTERNATIONAL INC
STAFF BUILDERS INC NEW UNIFORCE TEMPORARY PERSONNEL INC

Notes:

A. The lines represent monthly index levels derived from compounded daily
returns that include all dividends.

B. The indexes are reweighted daily, using the market capitalization on the
previous trading day.

C. If the monthly interval, based on the fiscal year-end, is not a trading
day, the preceding trading day is used.

D. The index level for all series was set to $100.0 on 06/11/93.

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