REVOLVING LINE OF CREDIT NOTE


$8,000,000.00                                                   Portland, Oregon
                                                                  April 30, 2003

     FOR  VALUE  RECEIVED,  the  undersigned  BARRETT  BUSINESS  SERVICES,  INC.
("Borrower")  promises  to  pay to the  order  of  WELLS  FARGO  BANK,  NATIONAL
ASSOCIATION  ("Bank")  at its  office at 1300 SW 5th Ave.,  Tower,  14th  Floor,
Portland,  Oregon  97201,  or at such  other  place  as the  holder  hereof  may
designate,  in lawful money of the United  States of America and in  immediately
available funds, the principal sum of Eight Million Dollars ($8,000,000.00),  or
so much thereof as may be advanced and be outstanding, with interest thereon, to
be  computed  on each  advance  from the date of its  disbursement  as set forth
herein.

INTEREST:

     (a) Interest. Unless the Addendum attached hereto requires an interest rate
adjustment,  the outstanding  principal balance of this Note shall bear interest
(computed  on the basis of a 360-day  year,  actual days  elapsed) at a rate per
annum two percent  (2.00%)  ("Prime Rate Margin") above the Prime Rate in effect
from time to time.  The "Prime  Rate" is a base rate that Bank from time to time
establishes and which serves as the basis upon which effective rates of interest
are calculated for those loans making reference thereto. Each change in the rate
of interest  hereunder shall become effective on the date each Prime Rate change
is announced within Bank.

     (b) Payment of Interest.  Interest accrued on this Note shall be payable on
the last day of each month, commencing May 31, 2003.

     (c) Default  Interest.  From and after the maturity  date of this Note,  or
such earlier date as all principal  owing  hereunder  becomes due and payable by
acceleration or otherwise,  the outstanding principal balance of this Note shall
bear interest until paid in full at an increased rate per annum (computed on the
basis of a 360-day year,  actual days elapsed)  equal to four percent (4%) above
the rate of interest from time to time applicable to this Note.

BORROWING AND REPAYMENT:

     (a) Borrowing and Repayment. Borrower may from time to time during the term
of this Note borrow,  partially or wholly repay its outstanding borrowings,  and
reborrow,  subject to all of the limitations,  terms and conditions of this Note
and of any document executed in connection with or governing this Note; provided
however, that the total outstanding  borrowings under this Note shall not at any
time exceed the principal amount stated above.  The unpaid principal  balance of
this obligation at any time shall be the total amounts advanced hereunder by the
holder  hereof less the amount of principal  payments  made hereon by or for any
Borrower,  which balance may be endorsed hereon from time to time by the holder.
The outstanding  principal balance of this Note shall be due and payable in full
on March 31, 2004.

     (b) Advances.  Advances hereunder, to the total amount of the principal sum
stated  above,  may be made by the holder at the oral or written  request of (i)
William W.  Sherertz or Michael D.  Mulholland,  any one acting  alone,  who are
authorized to request  advances and direct the disposition of any advances until
written  notice of the revocation of such authority is received by the holder at
the office  designated  above,  or (ii) any  person,  with  respect to


                                      -1-


advances  deposited to the credit of any deposit account of any Borrower,  which
advances, when so deposited, shall be conclusively presumed to have been made to
or for the benefit of each  Borrower  regardless  of the fact that persons other
than those  authorized  to request  advances may have  authority to draw against
such  account.  The holder shall have no  obligation  to  determine  whether any
person requesting an advance is or has been authorized by any Borrower.

     (c)  Application  of  Payments.  Each  payment  made on this Note  shall be
credited  first,  to any  interest  then  due  and  second,  to the  outstanding
principal balance hereof.

EVENTS OF DEFAULT:

     This Note is made pursuant to and is subject to the terms and conditions of
that certain Amended and Restated  Credit  Agreement  between  Borrower and Bank
dated as of  September  2,  2002,  as  amended  from time to time  (the  "Credit
Agreement").  Any default in the payment or performance of any obligation  under
this Note,  or any defined event of default  under the Credit  Agreement,  shall
constitute an "Event of Default" under this Note.

MISCELLANEOUS:

     (a) Remedies. Upon the sale, transfer,  hypothecation,  assignment or other
encumbrance,  whether  voluntary,  involuntary or by operation of law, of all or
any interest in any real property  securing this Note, or upon the occurrence of
any Event of  Default,  the holder of this Note,  at the  holder's  option,  may
declare  all  sums  of  principal  and  interest  outstanding  hereunder  to  be
immediately   due  and   payable   without   presentment,   demand,   notice  of
nonperformance,  notice of protest,  protest or notice of dishonor, all of which
are expressly waived by each Borrower, and the obligation, if any, of the holder
to extend any further credit  hereunder shall  immediately  cease and terminate.
Each Borrower shall pay to the holder immediately upon demand the full amount of
all  payments,  advances,  charges,  costs and  expenses,  including  reasonable
attorneys'  fees (to include outside counsel fees and all allocated costs of the
holder's  in-house  counsel),  expended or incurred by the holder in  connection
with the enforcement of the holder's rights and/or the collection of any amounts
which become due to the holder under this Note,  and the  prosecution or defense
of any action in any way related to this Note, including without limitation, any
action for declaratory relief, whether incurred at the trial or appellate level,
in an  arbitration  proceeding or otherwise,  and including any of the foregoing
incurred  in  connection  with  any  bankruptcy  proceeding  (including  without
limitation, any adversary proceeding, contested matter or motion brought by Bank
or any other person) relating to any Borrower or any other person or entity.

     (b)  Obligations  Joint and Several.  Should more than one person or entity
sign this Note as a Borrower,  the  obligations  of each such Borrower  shall be
joint and several.

     (c)  Governing  Law.  This  Note  shall be  governed  by and  construed  in
accordance with the laws of the State of Oregon.

UNDER OREGON LAW, MOST  AGREEMENTS,  PROMISES AND COMMITMENTS MADE BY BANK AFTER
OCTOBER 3, 1989 CONCERNING  LOANS AND OTHER CREDIT  EXTENSIONS WHICH ARE NOT FOR
PERSONAL,  FAMILY OR  HOUSEHOLD  PURPOSES  OR SECURED  SOLELY BY THE  BORROWER'S
RESIDENCE MUST BE IN WRITING,  EXPRESS CONSIDERATION AND BE SIGNED BY BANK TO BE
ENFORCEABLE.

                                      -2-



     This Note is secured by, among other  collateral,  two Deeds of Trust dated
September 2, 2002, as modified from time to time.

     IN WITNESS  WHEREOF,  the undersigned has executed this Note as of the date
first written above.

BARRETT BUSINESS SERVICES, INC.


By: /s/ Michael D. Mulholland
    -----------------------------
Title: Vice President-Finance

                                      -3-



                           ADDENDUM TO PROMISSORY NOTE
                        (PRIME RATE PRICING ADJUSTMENTS)


     THIS  ADDENDUM is attached  to and made a part of that  certain  promissory
note executed by BARRETT  BUSINESS  SERVICES,  INC.  ("Borrower") and payable to
WELLS FARGO BANK, NATIONAL ASSOCIATION ("Bank"), or order, dated as of April 30,
2003, in the  principal  amount of Eight Million  Dollars  ($8,000,000.00)  (the
"Note").

     The following  provisions are hereby  incorporated into the Note to reflect
the interest rate adjustments agreed to by Bank and Borrower:

INTEREST RATE ADJUSTMENTS:

     (a) Initial Prime Rate Margin.  The initial Prime Rate Margin applicable to
this Note shall be as set forth in the "Interest" paragraph herein.

     (b) Prime Rate  Adjustments.  In addition to any interest rate  adjustments
resulting from changes in the Prime Rate, Bank shall, if applicable,  adjust the
Prime Rate Margin under the Note, to reflect a change in Borrower's  Funded Debt
to EBITDA  Ratio or EBITDA  Coverage  Ratio (as defined in the Credit  Agreement
referenced in the Note), in accordance with grid set forth below. If required by
the  grid,  Bank  shall  adjust  the Prime  Rate  Margin  on a  quarterly  basis
commencing  upon Bank's  receipt and review of  Borrower's  Form 10-Q Report for
fiscal  quarter  ending June 30,  2003 filed with the  Securities  and  Exchange
Commission ("SEC"),  and thereafter upon Bank's receipt and review of Borrower's
Form 10-Q filed with the SEC for the fiscal  quarter  ending  September 30, 2003
and upon Bank's  receipt and review of  Borrower's  Form 10-K filed with the SEC
for the fiscal year ending December 31, 2003; provided however,  that Bank shall
not be required to adjust the Prime Rate Margin unless in its sole discretion it
agrees with the Form 10-K or Form10-Q  delivered  to Bank and  provided  further
that nothing  contained  herein shall be construed to require the Bank to adjust
the Prime Rate Margin after the maturity date of the Note.

                                                                      Applicable
Pricing    Funded Debt to                                             Prime Rate
Level:     EBITDA Ratio                 or    EBITDA Coverage Ratio     Margin
- ------     ------------                       ---------------------     ------

1          Greater than 4.00 to 1.0        Less than 1.00 to 1.0        2.00%

2          Greater than 2.25 to 1.0        Less than 1.75 to 1.0 but
           but less than or equal           greater than or equal
           to 4.00 to 1.0                     to 1.00 to 1.0            1.50%

3          Less than or equal              Greater than or equal
           to 2.25 to 1.0                     to 1.75 to 1.0            1.00%

Each such  adjustment  shall be effective on the first  Business Day after which
Bank receives and reviews Borrower's Form 10-K or Form 10-Q as set forth above.

Notwithstanding the pricing grid and the Prime Rate Margin adjustments set forth
above, the Bank shall not be required to and shall have no liability to Borrower
for failing to adjust the Prime Rate Margin at any time should  Borrower fail to
comply with any of the terms and conditions of



                                      -1-


the Credit  Agreement,  including but not limited to the provisions set forth in
Section 4.9 of the Credit Agreement.

     IN WITNESS WHEREOF,  this Addendum has been executed as of the same date as
the Note.

BARRETT BUSINESS SERVICES, INC.

By: /s/ Michael D. Mulholland
    -----------------------------
Title: Vice President-Finance