Document:

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                       SIXTH AMENDMENT TO CREDIT AGREEMENT

     THIS SIXTH AMENDMENT TO CREDIT AGREEMENT, dated as of August 31, 2000 (the
"AMENDMENT"), is among Alternative Resources Corporation, a Delaware
corporation, the undersigned Lenders and American National Bank and Trust
Company of Chicago, as Agent and as Lender. Unless otherwise defined herein,
capitalized terms used herein shall have the meanings ascribed to them in Credit
Agreement (as hereinafter defined).

                              W I T N E S S E T H:

     WHEREAS, the Borrower, the Agent and the Lenders entered into that certain
Credit Agreement dated as of November 7, 1997 as heretofore amended (as so
amended and as the same may hereafter be amended, modified, restated or
otherwise supplemented from time to time, the "CREDIT AGREEMENT");

     WHEREAS, the Borrower, Agent and the Lenders wish to make certain
amendments to the Credit Agreement;

     NOW, THEREFORE, in consideration of the mutual covenants and agreements set
forth herein and for other good and valuable consideration, the receipt and
sufficiency of which hereby are acknowledged, each of the undersigned agrees as
follows:

1.   AMENDMENTS TO CREDIT AGREEMENT.

     (a) Article I of the Credit Agreement shall be amended by deleting the
definition of "Maximum Subcontracted Eligibility Amount" and shall further be
amended by adding the following new definitions thereto in the appropriate
alphabetical order:

          "Cash Budget" means the consolidated cash forecast dated August 28,
     2000 for the Borrower and its Subsidiaries for the period from August 28,
     2000 through December 30, 2000 delivered by the Borrower to the Agent and
     Lenders.

          "Lock Box" is defined in Section 6.31 hereof.

          "Lock Box Account" is defined in Section 6.31 hereof.

     (b) The definitions of Applicable Margin, Borrowing Base, Commitment and

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Permitted Overadvance contained in Article I of the Credit Agreement shall be
amended in their entirety and as so amended shall read as follows:

          "Applicable Margin" means two and one-fourth percent (2.25%).

          "Borrowing Base" means an amount equal to the total of (a) 80% of the
     unpaid amount of all Eligible Accounts Receivable, PLUS (b) 80% of the
     unpaid amount of all Eligible Subcontracted Accounts Receivable, in each
     case net of such reserves and allowances as the Agent deems necessary in
     its reasonable discretion PLUS (c) the Permitted Overadvance, provided
     however, that the Borrowing Base shall be computed only as against and on
     the basis of the most recent Borrowing Base Certificate received pursuant
     to Section 6.29 hereof.

          "Commitment" means, for each Lender, the obligation of such Lender to
     make Revolving Loans not exceeding the amount set forth opposite its name
     below or as set forth in any Notice of Assignment relating to any
     assignment that has become effective pursuant to Section 12.3.2, as such
     amount may be modified from time to time pursuant to the terms hereof:

<TABLE>
<CAPTION>

         LENDER                                                    COMMITMENT
<S>                                                                <C>
         American National Bank and Trust Company of Chicago       $16,500,000

         Mellon Bank, N.A.                                         $11,000,000

         Harris Trust and Savings Bank                             $11,000,000

         Fleet National Bank                                       $ 8,250,000

         National City Bank                                        $ 8,250,000

         TOTAL                                                     $55,000,000
</TABLE>

          "Permitted Overadvance" means $12,000,000.

     (c) Article II of the Credit Agreement shall be amended in its entirety and
as so amended shall read as follows:

     2.1 COMMITMENT. From and including the date of this Agreement and prior to
the Facility Termination Date, each Lender severally agrees, on the terms and
conditions set forth in

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this Agreement, to make Loans to the Borrower from time to time in amounts not
to exceed in the aggregate at any one time outstanding its Pro Rata Share of the
Available Aggregate Commitment, PROVIDED that at no time shall the Aggregate
Outstanding Credit Exposure hereunder exceed the Borrowing Base as then
determined and computed. Subject to the terms of this Agreement, the Borrower
may borrow, repay and reborrow at any time prior to the Facility Termination
Date. The Commitments to lend hereunder shall expire on the Facility Termination
Date.

     2.2 REQUIRED PAYMENTS; TERMINATION. Any outstanding Advances and all other
unpaid Obligations shall be paid in full by the Borrower on the Facility
Termination Date. Additionally, if on any day the Aggregate Outstanding Credit
Exposure exceeds the lesser of (a) the Borrowing Base or (b) the Aggregate
Commitment, the Borrower shall immediately make a prepayment of the Loans in an
amount sufficient to eliminate such excess. Additionally, the Borrower shall,
from time to time, immediately prepay the Loans and the Aggregate Commitment
shall automatically reduce (subject to re-instatement upon request of the
Borrower and consent to do so by all the Lenders) in an amount equal to all
income tax refunds received by the Borrower. Additionally, the Borrower shall,
from time to time, immediately prepay the Loans in an amount equal to the net
proceeds received on account of the sale of any of its assets, including,
without limitation, any sale of Collateral.

     2.3 RATABLE LOANS. Each Advance hereunder (other than any Swing Line Loan)
shall consist of Revolving Loans made from the several Lenders ratably in
proportion to the ratio that their respective Commitments bear to the Aggregate
Commitment.

     2.4 TYPES OF ADVANCES. The Advances may be Floating Rate Advances, selected
by the Borrower in accordance with Section 2.9, or, in the discretion of the
Swing Lender, Swing Line Loans selected by the Borrower in accordance with
Section 2.5.

     2.5 SWING LINE LOANS.

          2.5.1. AMOUNT OF SWING LINE LOANS. Upon the satisfaction of the
     conditions precedent set forth in Section 4.2, from time to time prior to
     the Facility Termination Date, the Swing Line Lender may in its discretion
     but only with the prior approval of all Lenders, on the terms and
     conditions set forth in this Agreement, make Swing Line Loans to the
     Borrower from time to time in an aggregate principal amount not to exceed
     the Swing Line Commitment, PROVIDED that the Aggregate Outstanding Credit
     Exposure shall not at any time exceed the lesser of (a) Aggregate
     Commitment or (b) the Borrowing Base, and PROVIDED FURTHER that at no time
     shall the sum of (i) the Swing Line Lender's Pro Rata Share of the Swing
     Line Loans, PLUS (ii) the outstanding Revolving Loans made by the Swing
     Line Lender pursuant to Section 2.1, exceed the Swing Line Lender's
     Commitment at such time. Subject to the terms of this Agreement, the
     Borrower may borrow, repay and reborrow Swing Line Loans at any time prior
     to the Facility Termination Date.

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          2.5.2. BORROWING NOTICE. The Borrower shall deliver to the Agent and
     the Swing Line Lender irrevocable notice (a "Swing Line Borrowing Notice")
     not later than noon (Chicago time) on the Borrowing Date of each Swing Line
     Loan, specifying the applicable Borrowing Date (which date shall be a
     Business Day), and the aggregate amount of the requested Swing Line Loan.
     The Swing Line Loans shall bear interest at the Floating Rate.

          2.5.3. MAKING OF SWING LINE LOANS. Not later than 2:00 p.m. (Chicago
     time) on the applicable Borrowing Date, the Swing Line Lender shall advise
     the Borrower if it has received the approval of the Lenders to make the
     requested Swing Line Loan and if it is willing to make such Swing Line Loan
     and if so, the Swing Line Lender shall make available the Swing Line Loan,
     in funds immediately available in Chicago, to the Agent at its address
     specified pursuant to Article XIII. In the event the Swing Line Lender
     shall fail to respond to any request by the Borrower for a Swing Line Loan,
     such request shall be deemed denied. The Agent will promptly make the funds
     so received from the Swing Line Lender available to the Borrower on the
     Borrowing Date at the Agent's aforesaid address.

          2.5.4. REPAYMENT OF SWING LINE LOANS. Each Swing Line Loan shall be
     paid in full by the Borrower on demand by the Swing Line Lender to do so
     but in no event later than the Facility Termination Date. In addition, the
     Swing Line Lender may at any time in its sole discretion with respect to
     any outstanding Swing Line Loan, require each Lender (including the Swing
     Line Lender) to make a Revolving Loan in the amount of such Lender's Pro
     Rata Share of such Swing Line Loan, for the purpose of repaying such Swing
     Line Loan. Not later than noon (Chicago time) on the date of any notice
     received pursuant to this Section 2.5.4, each Lender shall make available
     its required Revolving Loan, in funds immediately available in Chicago to
     the Agent at its address specified pursuant to Article XIII. Revolving
     Loans made pursuant to this Section 2.5.4 shall be Floating Rate Loans.
     Unless a Lender shall have notified the Swing Line Lender, prior to its
     making any Swing Line Loan, that any applicable condition precedent set
     forth in Section 4.1 had not then been satisfied, such Lender's obligation
     to make Revolving Loans pursuant to this Section 2.5.4 to repay Swing Line
     Loans shall be unconditional, continuing, irrevocable and absolute and
     shall not be affected by any circumstances, including, without limitation,
     (a) any set-off, counterclaim, recoupment, defense or other right which
     such Lender may have against the Agent, the Swing Line Lender or any other
     Person, (b) the occurrence or continuance of a Default or Unmatured
     Default, (c) any adverse change in the condition (financial or otherwise)
     of the Borrower, or (d) any other circumstances, happening or event
     whatsoever. In the event that any Lender fails to make payment to the Agent
     of any amount due under this Section 2.5.4, the Agent shall be entitled to
     receive, retain and apply against such obligation the principal and
     interest otherwise payable to such Lender hereunder until the Agent
     receives such payment from such Lender or such obligation is otherwise
     fully satisfied. In addition to the foregoing, if for any reason any Lender
     fails to make payment to the Agent of any amount due under this Section
     2.5.4, such Lender shall be deemed, at the option of the Agent, to have

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     unconditionally and irrevocably purchased from the Swing Line Lender,
     without recourse or warranty, an undivided interest and participation in
     the applicable Swing Line Loan in the amount of such Revolving Loan, and
     such interest and participation may be recovered from such Lender together
     with interest thereon at the Federal Funds Effective Rate for each day
     during the period commencing on the date of demand and ending on the date
     such amount is received. On the Facility Termination Date, the Borrower
     shall repay in full the outstanding principal balance of the Swing Line
     Loans.

     2.6 COMMITMENT FEE; REDUCTIONS IN AGGREGATE COMMITMENT; AMENDMENT FEE. The
Borrower agrees to pay to the Agent for the account of each Lender a commitment
fee at a per annum rate equal to one-half of one percent (1/2%) on the daily
unused portion of such Lender's Commitment from the date hereof to and including
the Termination Date, payable on each Payment Date hereafter and on the Facility
Termination Date. Swing Line Loans shall not count as usage of any Lender's
Commitment for the purpose of calculating the commitment fee due hereunder. The
Borrower may permanently reduce the Aggregate Commitment in whole, or in part
ratably among the Lenders in integral multiples of $1,000,000, upon at least one
(1) Business Day's written notice to the Agent, which notice shall specify the
amount of any such reduction, PROVIDED, HOWEVER, that the amount of the
Aggregate Commitment may not be reduced below the aggregate principal amount of
the outstanding Advances. All accrued commitment fees shall be payable on the
effective date of any termination of the obligations of the Lenders to make
Loans hereunder.

     (b) The Borrower agrees to pay to the Agent for the account of the Lenders
a sixth amendment fee in an amount equal to 1% of the aggregate Commitments in
effect as of August 31, 2000, such fee to be fully earned upon execution of the
Sixth Amendment to Credit Agreement by the Borrower and Lenders and delivery of
the same to the Agent and to be payable upon the earlier of (a) payment of the
Obligations in full and termination of the Commitments, (b) December 31, 2000 or
(c) acceleration of the Obligations pursuant to Section 8.1 hereof.

     2.7 INTEREST OPTIONS. No Advance may be made as, converted into or
continued as a Eurodollar Advance.

     2.8 OPTIONAL PRINCIPAL PAYMENTS. The Borrower may from time to time pay,
without penalty or premium, all outstanding Floating Rate Advances or any
portion of the outstanding Floating Rate Advances upon notice to Agent, or the
Swing Line Lender as the case may be, by 11:00 a.m. (Chicago time) on the date
of repayment.

     2.9 METHOD OF SELECTING TYPES AND INTEREST PERIODS FOR NEW ADVANCES. The
Borrower shall select the Type of Advance from time to time. The Borrower shall
give the Agent irrevocable notice (a "Borrowing Notice") not later than 10:00
a.m. (Chicago time) on the Borrowing Date of each Floating Rate Advance (other
than a Swing Line Loan) specifying:

     (i) the Borrowing Date, which shall be a Business Day, of such Advance, and

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     (ii) the aggregate amount of such Advance.

Not later than noon (Chicago time) on each Borrowing Date, each Lender shall
make available its Revolving Loan or Revolving Loans in funds immediately
available in Chicago to the Agent at its address specified pursuant to Article
XIII. The Agent will make the funds so received from the Lenders available to
the Borrower at the Agent's aforesaid address.

     2.10 CONTINUATION OF OUTSTANDING ADVANCES. Floating Rate Advances shall
continue as Floating Rate Advances unless and until such Floating Rate Advances
are repaid in accordance with Section 2.8.

     2.11 CHANGES IN INTEREST RATE, ETC. Each Floating Rate Advance (including
each Swing Line Loan) shall bear interest on the outstanding principal amount
thereof, for each day from and including the date such Advance is made, to but
excluding the date it is paid, at a rate per annum equal to the Floating Rate
for such day. Changes in the rate of interest on that portion of any Advance
maintained as a Floating Rate Advance will take effect simultaneously with each
change in the Alternate Base Rate.

     2.12 RATES APPLICABLE AFTER DEFAULT AND UNDER OTHER CIRCUMSTANCES.
Notwithstanding anything to the contrary contained in Section 2.9 or 2.10,
during the continuance of a Default or Unmatured Default the Required Lenders
may, at their option, by notice to the Borrower (which notice may be revoked at
the option of the Required Lenders notwithstanding any provision of Section 8.2
requiring unanimous consent of the Lenders to changes in interest rates),
declare that each Floating Rate Advance shall bear interest at a rate per annum
equal to the Floating Rate in effect from time to time plus 2% per annum,
PROVIDED that, during the continuance of a Default under Section 7.6 or 7.7,
such interest rate shall be applicable to all Advances without any election or
action on the part of the Agent or any Lender.

     2.13 METHOD OF PAYMENT. All payments of the Obligations hereunder shall be
made, without setoff, deduction, or counterclaim, in immediately available funds
to the Agent at the Agent's address specified pursuant to Article XIII, or at
any other Lending Installation of the Agent specified in writing by the Agent to
the Borrower, by noon (local time) on the date when due and shall (except with
respect to repayments of Swing Line Loans) be applied ratably by the Agent among
the Lenders. Each payment delivered to the Agent for the account of any Lender
shall be delivered promptly by the Agent to such Lender in the same type of
funds that the Agent received at its address specified pursuant to Article XIII
or at any Lending Installation specified in a notice received by the Agent from
such Lender. The Agent is hereby authorized to charge the account of the
Borrower maintained with ANB for each payment of principal, interest and fees as
it becomes due hereunder.

     2.14 NOTELESS AGREEMENT; EVIDENCE OF INDEBTEDNESS. (i) Each Lender shall
maintain in accordance with its usual practice an account or accounts evidencing
the indebtedness of the Borrower to such Lender resulting from each Loan made by
such Lender from time to time, including the amounts of principal and interest
payable and paid to such Lender from time to

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time hereunder.

     (ii) The Agent shall also maintain accounts in which it will record (a) the
amount of each Loan made hereunder and the Type thereof, (b) the amount of any
principal or interest due and payable or to become due and payable from the
Borrower to each Lender hereunder and (c) the amount of any sum received by the
Agent hereunder from the Borrower and each Lender's share thereof.

     (iii) The entries maintained in the accounts maintained pursuant to
paragraphs (i) and (ii) above shall be PRIMA FACIE evidence of the existence and
amounts of the Obligations therein recorded absent demonstrable or manifest
error; PROVIDED, HOWEVER, that the failure of the Agent or any Lender to
maintain such accounts or any error therein shall not in any manner affect the
obligation of the Borrower to repay the Obligations in accordance with their
terms.

     (iv) Any Lender may request that its Loans be evidenced by a promissory
note or, in the case of the Swing Line Lender, promissory notes representing its
Revolving Loans and Swing Line Loans, respectively, substantially in the form of
Exhibit E, with appropriate changes for notes evidencing Swing Line Loans (each
a "Note"). In such event, the Borrower shall prepare, execute and deliver to
such Lender such Note or Notes payable to the order of such Lender. Thereafter,
the Loans evidenced by each such Note and interest thereon shall at all times
(including after any assignment pursuant to Section 12.3) be represented by one
or more Notes payable to the order of the payee named therein or any assignee
pursuant to Section 12.3, except to the extent that any such Lender or assignee
subsequently returns any such Note for cancellation and requests that such Loans
once again be evidenced as described in paragraphs (i) and (ii) above.

     2.15. TELEPHONIC NOTICES. The Borrower hereby authorizes the Lenders and
the Agent to extend or continue Advances, effect selections of Types of Advances
and to transfer funds based on telephonic notices made by any person or persons
the Agent or any Lender in good faith believes to be acting on behalf of the
Borrower, it being understood that the foregoing authorization is specifically
intended to allow Borrowing Notices to be given telephonically. The Borrower
agrees to deliver promptly to the Agent a written confirmation, if such
confirmation is requested by the Agent or any Lender, of each telephonic notice
signed by an Authorized Officer. If the written confirmation differs in any
material respect from the action taken by the Agent and the Lenders, the records
of the Agent and the Lenders shall govern absent manifest or demonstrable error.

     2.16. INTEREST PAYMENT DATES; INTEREST AND FEE BASIS. Interest accrued on
each Floating Rate Advance shall be payable on each Payment Date, commencing
with the first such date to occur after the date hereof and at maturity.
Interest and commitment fees shall be calculated for actual days elapsed on the
basis of a 360-day year. Interest shall be payable for the day an Advance is
made but not for the day of any payment on the amount paid if payment is
received prior to 1:00 p.m. (local time) at the place of payment. If any payment
of principal of or interest on an Advance shall become due on a day which is not
a Business Day, such payment shall be

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made on the next succeeding Business Day and, in the case of a principal
payment, such extension of time shall be included in computing interest in
connection with such payment.

     2.17. NOTIFICATION OF ADVANCES, INTEREST RATES, PREPAYMENTS AND COMMITMENT
REDUCTIONS. Promptly after receipt thereof, the Agent will notify each Lender of
the contents of each Aggregate Commitment reduction notice, Borrowing Notice,
Swing Line Borrowing Notice, and repayment notice received by it hereunder. The
Agent will give each Lender prompt notice of each change in the Alternate Base
Rate.

     2.18 LENDING INSTALLATIONS. Each Lender may book its Loans at any Lending
Installation selected by such Lender and may change its Lending Installation
from time to time. All terms of this Agreement shall apply to any such Lending
Installation and the Loans and any Notes issued hereunder shall be deemed held
by each Lender for the benefit of any such Lending Installation. Each Lender
may, by written notice to the Agent and the Borrower in accordance with Article
XIII, designate replacement or additional Lending Installations through which
Loans will be made by it and for whose account Loan payments are to be made.

     2.19 NON-RECEIPT OF FUNDS BY THE AGENT. Unless the Borrower or a Lender, as
the case may be, notifies the Agent prior to the date on which it is scheduled
to make payment to the Agent of (i) in the case of a Lender, the proceeds of a
Loan or (ii) in the case of the Borrower, a payment of principal, interest or
fees to the Agent for the account of the Lenders, that it does not intend to
make such payment, the Agent may assume that such payment has been made. The
Agent may, but shall not be obligated to, make the amount of such payment
available to the intended recipient in reliance upon such assumption. If such
Lender or the Borrower, as the case may be, has not in fact made such payment to
the Agent, the recipient of such payment shall, on demand by the Agent, repay to
the Agent the amount so made available together with interest thereon in respect
of each day during the period commencing on the date such amount was so made
available by the Agent until the date the Agent recovers such amount at a rate
per annum equal to (x) in the case of payment by a Lender, the Federal Funds
Effective Rate for such day for the first three days and, thereafter, the
interest rate applicable to the relevant Loan or (y) in the case of payment by
the Borrower, the interest rate applicable to the relevant Loan.

     2.20 DISBURSEMENTS OF ADVANCES; SETTLEMENTS AMONG AGENT AND LENDERS;
PAYMENTS OF INTEREST AND FEES; DISGORGEMENT OBLIGATIONS . (a) The outstanding
balance of Advances may fluctuate from day to day through the Agent's
disbursement of funds to, and receipt of funds from, the Borrower. In order to
minimize the frequency of transfers of funds between the Agent and each Lender,
Advances and payments will be settled according to the procedures described in
this Section 2.20. Notwithstanding these procedures, each Lender's obligation to
fund its portion of any Advances made by the Agent to the Borrower will commence
on the date such Advances are made by the Agent. Such payments will be made by
each Lender without setoff, counterclaim or reduction of any kind.

         (b) On Friday of each week, or more frequently (including daily) if the
Agent so elects (each such day being a "Settlement Date"), the Agent will advise
each Lender by

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telephone or telecopy of the amount of each such Lender's ratable share of the
outstanding balance of Advance as of the close of business of the Business Day
immediately preceding the Settlement Date. In the event that payments are
necessary to adjust the amount of such Lender's share of the outstanding balance
of Advances to equal such Lender's Commitment percentage of the Obligations as
of any Settlement Date, such Lender will pay to the Agent, or the Agent will pay
to such Lender (as applicable) the amount necessary in same day funds by wire
transfer to the other's account not later than 4:00 p.m. Chicago time on the
Business Day following the Settlement Date.

     (c) Notwithstanding the foregoing, the Agent, at its option, may elect to
require that each Lender provide funds in connection with any requested
borrowing hereunder on the scheduled borrowing date, and in such event the Agent
shall advise each Lender by telephone or telecopy of the amount to be funded by
such Lender no later than the borrowing date applicable thereto, and each such
Lender shall pay to the Agent such Lender's Commitment percentage of the
borrowing in same day funds by wire transfer to the Agent's account not later
than 4:00 p.m. Chicago time on such Borrowing date.

     (d) On the first Business Day of each month (each, an "Interest Settlement
Date"), the Agent will advise each Lender by telephone or telecopy of the amount
of such Lender's commitment percentage of interest and fees on each Loan as of
the end of the last day of the immediately preceding month. Provided that such
Lender has made all payments required to be made by it under this Agreement, the
Agent will pay to such Lender, by wire transfer to such Lender's account (as
specified by such Lender on the signature page of this Agreement or the
applicable Assignment and Acceptance) not later than 2:00 p.m. Chicago time on
the next Business Day following the Interest Settlement Date, such Lender's
commitment percentage of interest and commitment fees, in each instance,
received by Agent in the immediately preceding month.

     (e) Unless the Agent shall have received notice from the Borrower prior to
the date on which any payment is due to the Lenders hereunder that the Borrower
will not make such payment in full as and when required hereunder, the Agent may
assume that the Borrower has made such payment in full to the Agent on such date
in immediately available funds and the Agent may (but shall not be so required),
in reliance upon such assumption, cause to be distributed to each Lender on such
due date an amount equal to the amount then due such Lender. If the Agent pays
an amount to a Lender under this Agreement in the belief or expectation that a
related payment has been or will be received by the Agent from the Borrower and
such related payment is not received by the Agent, the Agent shall be entitled
to recover such amount from such Lender, and each Lender shall repay to Agent on
demand such amount, together with interest thereon for each day from the date
such amount is distributed to such Lender until the date such Lender repays such
amount to the Agent, at the Agent's cost of funds, without setoff, counterclaim
or deduction of any kind. If the Agent determines at any time that any amount
received by the Agent under this Agreement must be returned to the Borrower or
paid to any other Person pursuant to any solvency, fraudulent conveyance or
similar law or otherwise, then, notwithstanding any other term or condition of
this Agreement, the Agent will

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not be required to distribute any portion of such payment to any Lender. In
addition, each Lender will repay to the Agent on demand any portion of such
amount that the Agent has distributed to such Lender, together with interest
thereon at such rate, if any, as the Agent is required to pay to the Borrower or
such other Person, without setoff, counterclaim or deduction of any kind.

(d)  Section 4.2 shall be amended in its entirety and as so amended shall read
     as follows:

     "4.2. EACH ADVANCE. The Lenders shall (except as otherwise set forth in
Section 2.5.4 with respect to Revolving Loans for the purpose of repaying Swing
Line Loans) not be required to make any Advance (other than an Advance that,
after giving effect thereto and to the application of the proceeds thereof, does
not increase the aggregate amount of outstanding Advances), unless on the
applicable Borrowing Date:

(i)   There exists no Default or Unmatured Default.

(ii)  The representations and warranties contained in Article V are true and
      correct as of such Borrowing Date except to the extent any such
      representation or warranty is stated to relate solely to an earlier date,
      in which case such representation or warranty shall have been true and
      correct on and as of such earlier date.

(iii) All legal matters incident to the making of such Advance shall be
      reasonably satisfactory to the Lenders and their counsel.

     Each Borrowing Notice or Swing Line Borrowing Notice, as the case may be,
with respect to each such Advance shall constitute a representation and warranty
by the Borrower that the conditions contained in Sections 4.2(i) and (ii) have
been satisfied."

     (e) Section 6.1 of the Credit Agreement shall be amended in its entirety
and as so amended shall read as follows:

     "6.1 FINANCIAL REPORTING. The Borrower will maintain, for itself and each
Subsidiary, a system of accounting established and administered in accordance
with generally accepted accounting principles, and furnish to the Lenders:

(i)  Within 120 days after the close of each of its fiscal years, an unqualified
     audit report certified by independent certified public accountants
     acceptable to the Lenders, prepared in accordance with Agreement Accounting
     Principles on a consolidated basis for itself and its Subsidiaries,
     including balance sheets as of the end of such period, related profit and
     loss and reconciliation of surplus statements, and a statement of cash
     flows, accompanied by any management letter prepared by said accountants.
     The Borrower also agrees to promptly furnish the annual consolidating
     financial statements for itself and its Subsidiaries prepared by the
     Borrower in connection with its annual income tax returns.

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(ii) Within 30 days after the end of each month in each year, for itself and its
     Subsidiaries, consolidated profit and loss and reconciliation of surplus
     statements and a statement of cash flows for the period from the beginning
     of such fiscal year to the end of such month together with a summary of the
     accounts receivable data , in each case satisfactory to the Agent and the
     Required Lenders, all certified by its chief financial officer.

(iii) Together with the financial statements required under Sections 6.1(i) and
     (ii) within 30 days after the end of each month, a compliance certificate
     in substantially the form of Exhibit B signed by its chief financial
     officer showing the calculations necessary to determine compliance with
     this Agreement and stating that no Default or Unmatured Default exists, or
     if any Default or Unmatured Default exists, stating the nature and status
     thereof.

(iv) As soon as available and in any event within 1 day after the Borrower knows
     that it is entitled to any income tax refund, notice thereof and of the
     amount and anticipated date of receipt of such income tax refund. The
     Borrower also agrees to deposit any such refund into the Lock Box Account.

(v)  Within 270 days after the close of each fiscal year, a statement of the
     Unfunded Liabilities of each Single Employer Plan, certified as correct by
     an actuary enrolled under ERISA.

(vi) As soon as possible and in any event within 10 days after the Borrower
     knows that any Reportable Event has occurred with respect to any Plan, a
     statement, signed by the chief financial officer of the Borrower,
     describing said Reportable Event and the action which the Borrower proposes
     to take with respect thereto.

(vii) As soon as possible and in any event within 10 days after receipt by the
     Borrower, a copy of (a) any notice or claim to the effect that the Borrower
     or any of its Subsidiaries is or may be liable to any Person as a result of
     the release by the Borrower, any of its Subsidiaries, or any other Person
     of any toxic or hazardous waste or substance into the environment, and (b)
     any notice alleging any violation of any federal, state or local
     environmental, health or safety law or regulation by the Borrower or any of
     its Subsidiaries, which, in either case, could reasonably be expected to
     have a Material Adverse Effect.

(viii) Promptly upon the furnishing thereof to the shareholders of the Borrower,
     copies of all financial statements, reports and proxy statements so
     furnished.

(ix) Promptly upon the filing thereof, copies of all registration statements and
     annual, quarterly, monthly or other regular reports which the Borrower or
     any of its Subsidiaries files with the Securities and Exchange Commission.

<PAGE>

(x)  As soon as available and in any event not later than 5:00 p.m. (Chicago
     time) on the fourth Business Day of each week (i) consolidated cash flow
     reports consistent with the Cash Budget and otherwise substantially in the
     form and scope of the Cash Budget reflecting on a line-item basis cash
     receipts and disbursements for the previous week ended as well as on a
     cumulative basis from August 27, 2000 for the Borrower and its Subsidiaries
     with an explanation of any significant variances, (ii) a Borrowing Base
     Certificate, in each case prepared as of the last day of the immediately
     preceding week and (iii) weekly sales results and TC headcount data.

(xi) Such other information (including non-financial information) as the Agent
     or any Lender may from time to time reasonably request."

     (f) Section 6.24.1, 6.24.2 and 6.24.3 shall each be eliminated and replaced
with "Intentionally Omitted".

     (g) Section 6.24.4 of the Credit Agreement shall be amended in its entirety
and as so amended shall read as follows:

          "6.24.4 CUMULATIVE CONSOLIDATED EBITDA. The Borrower will have
     Consolidated EBITDA for the periods commencing August 1, 2000 and ending
     each of the dates specified below in an amount not less than that specified
     below for such period:

<TABLE>
<CAPTION>

         For the period                      Consolidated EBITDA
         commencing 8/1/00                   shall not be
         and ending:                         less than:
         -----------------------------       --------------------
<S>                                          <C>
         August 31, 2000                     $150,000

         September 30, 2000                  $400,000

         October 31, 2000                    $750,000

         November 30, 2000                   $1,100,000"
</TABLE>

     (h) Section 6.16 of the Credit Agreement shall be amended in its entirety
and as so amended shall read as follows:

          "6.16. CUMULATIVE CAPITAL EXPENDITURES. The Borrower will not, nor
     will it permit any Subsidiary to, expend or commit to expend, on a
     cumulative basis for Capital Expenditures in the aggregate amount for
     Borrower and its Subsidiaries in excess of:

<PAGE>

<TABLE>
<CAPTION>

         For the period                                      Capital Expenditures
         commencing 8/1/00                                   shall not exceed:
         and ending:                                         -----------------
         -----------
<S>                                                          <C>
         August 31, 2000                                     $350,000

         September 30, 2000                                  $450,000

         October 31, 2000                                    $550,000

         November 30, 2000                                   $600,000

         December 31, 2000                                   $650,000"
</TABLE>

     (i) Section 6.10 of the Credit Agreement shall be amended in its entirety
to read as follows:

                  "6.10. DIVIDENDS. The Borrower will not, nor will it permit
         any Subsidiary to, declare or pay any dividends or make any
         distributions on its capital stock (other than dividends payable in its
         own capital stock) or redeem, repurchase or otherwise acquire or retire
         any of its capital stock at any time outstanding, except that any
         Subsidiary may declare and pay dividends or make distributions to the
         Borrower or to a Wholly-Owned Subsidiary."

     (j) Clause (iii) of Section 6.11 shall be amended in its entirety and as so
amended shall read as follows:

                  "Indebtedness existing as of August 31, 2000 not exceeding
         $2,318,000 in aggregate amount outstanding and other Indebtedness
         incurred thereafter with the prior written consent of the Required
         Lenders."

     (k) Clause (iv) of Section 6.13 of the Credit Agreement shall be amended in
its entirety and as so amended shall read as follows:

                  "(iv) Leases, sales or other dispositions of its Property
         that, together with all other Property of the Borrower and its
         Subsidiaries previously leased, sold or disposed of (other than as
         otherwise permitted under clauses (i) and (ii) of this Section 6.13)
         from and after August 31, 2000, do not exceed $200,000."

     (l) Clauses (iii), (iv) and (vi) of Section 6.14 of the Credit Agreement
shall be deleted.

<PAGE>

     (m) Section 6.20 of the Credit Agreement shall be amended in its entirety
and as so amended shall read as follows:

                  "6.20. SALE OF ACCOUNTS. The Borrower will not, nor will it
         permit any Subsidiary to, sell or dispose of any notes receivable or
         accounts receivable, with or without recourse, other than sales of
         accounts when taken together with sales of Property permitted under
         Section 6.13(iv) hereof do not exceed $200,000 for the period
         commencing August 31, 2000 through the date of such sale and after
         giving effect thereto and the net proceeds of which are deposited into
         the Lock Box Account and applied as a payment on the Obligations."

     (n) Clause (iii) of Section 6.22 of the Credit Agreement shall be amended
in its entirety and as so amended shall read as follows:

                  "(iii) Contingent Obligations in respect of leases otherwise
         permitted under this Agreement and other Contingent Obligations
         incurred thereafter with the prior written consent of the Required
         Lenders."

     (o) The third sentence of Section 12.3.1 of the Credit Agreement shall be
amended in its entirety and as so amended shall read as follows:

                  "The consent of the Agent shall be required prior to an
         assignment becoming effective, it being understood and agreed that the
         consent of the Borrower shall not be required."

     (p) Article VI of the Credit Agreement shall be amended by adding the
following new sections in the appropriate numerical order:

                  6.30 AMENDMENT TO SECURITY AGREEMENT; FURTHER ASSURANCES. On
         or before September 18, 2000, (a) the Borrower and Guarantors shall
         have executed and delivered to the Agent, such amendments, instruments
         and other documents (and pay the cost of filing or recording the same
         in all places deemed reasonably appropriate by the Agent or any Lender)
         and do such other acts and things all as the Agent or any Lender may
         reasonably request to establish and maintain a valid, perfected
         security interest in all assets (other than real property) of the
         Borrower and Guarantors and (b) the Borrower shall have directed (in
         writing) the Internal Revenue Service to remit all income tax refunds
         to the Lock Box or to the Lock Box Account.

                  6.31 COLLECTIONS. (a) Borrower shall, and shall cause each
         Guarantor to, direct all of its Account Debtors to make all payments on
         the Accounts Receivable directly to a post office box (the "Lock Box")
         designated by, and under the exclusive control of, Agent, at ANB.
         Borrower shall, and shall cause each Guarantor to, establish an account
         (the "Lock Box Account") in Agent's name with ANB, into which all
         payments received in the Lock Box at all times from and after September
         15, 2000 shall be deposited, and

<PAGE>

         into which Borrower and each Guarantor will at all times from and
         after September 15,2000 deposit all payments received by Borrower or
         such Guarantor on account of Accounts Receivable in the identical form
         in which such payments were received, whether by cash or check or
         electronic funds. If Borrower, any Guarantor, any Affiliate or
         Subsidiary, any shareholder, officer, director, employee or agent of
         Borrower, any Guarantor or any Affiliate or Subsidiary, or any other
         Person acting for or in concert with Borrower or any Guarantor shall
         receive any monies, checks, notes, drafts or other payments relating
         to or as proceeds of Accounts Receivable or other Collateral, Borrower
         and each such Person shall receive all such items in trust for, and as
         the sole and exclusive property of, Agent and, immediately upon
         receipt thereof, shall remit the same (or cause the same to be
         remitted) in kind to the Lock Box Account. Borrower agrees that all
         payments made to such Lock Box Account or otherwise received by Agent,
         whether in respect of the Accounts Receivable or as proceeds of other
         Collateral or otherwise, will be applied on account of the Obligations
         in accordance with the terms of this Agreement. Borrower agrees to pay
         all fees, costs and expenses in connection with opening and
         maintaining the Lock Box Account and depositing for collection by ANB
         any check or other item of payment received by Agent on account of the
         Liabilities. All of such fees, costs and expenses shall constitute
         Obligations hereunder, shall be payable to Agent by Borrower upon
         demand, and, until paid, shall bear interest at the highest rate then
         applicable to Loans hereunder. All checks, drafts, instruments and
         other items of payment or proceeds of Collateral shall be endorsed by
         Borrower or applicable Guarantor to Agent, and, if that endorsement of
         any such item shall not be made for any reason, Agent is hereby
         irrevocably authorized to endorse the same on Borrower's or such
         Guarantor's behalf. For the purpose of this paragraph, Borrower
         irrevocably hereby makes, constitutes and appoints Agent (and all
         Persons designated by Agent for that purpose) as Borrower's true and
         lawful attorney and agent-in-fact (i) to endorse Borrower's name upon
         said items of payment and/or proceeds of Collateral and upon any
         Chattel Paper, Document, Instrument, invoice or similar document or
         agreement relating to any Account Receivable of Borrower; (ii) to take
         control in any manner of any item of payment or proceeds thereof and
         (iii) to have access to any lock box or postal box into which any of
         Borrower's mail is deposited, and open and process all mail addressed
         to Borrower and deposited therein.

                  (b) For purposes of calculating interest, Agent shall, (i)
         within one (1) Business Days after receipt by Agent at its office in
         Chicago, Illinois of checks and (ii) on the Business Day of receipt by
         Agent at its office in Chicago, Illinois of cash or other immediately
         available funds from collections of items of payment and proceeds of
         any Collateral, apply the whole or any part of such collections or
         proceeds against the Obligations as hereinafter provided, subject to
         actual collection. For purposes of determining the amount of Loans
         available for borrowing purposes, checks and cash or other immediately
         available funds from collections of items of payment and proceeds of
         any Collateral shall be applied in whole or in part against the
         Obligations, as hereinafter provided, on the day of receipt, subject to
         actual collection.

<PAGE>

                  (c) All payments and collections received in respect of the
         Obligations and all proceeds of the Collateral received, in each
         instance, by the Agent or any of the Lenders shall be remitted to the
         Agent and distributed as follows:

                    (i) first, to the payment of any outstanding costs and
               expenses incurred by the Agent in monitoring, verifying,
               protecting, preserving or enforcing the Liens on the Collateral,
               and in protecting, preserving or enforcing rights under this
               Agreement or any of the other Loan Documents, and in any event
               including all costs and expenses of a character which the
               Borrower has agreed to pay under Section 9.6 hereof (such funds
               to be retained by the Agent for its own account unless it has
               previously been reimbursed for such costs and expenses by the
               Lenders, in which event such amounts shall be remitted to the
               Lenders to reimburse them for payments theretofore made to the
               Agent);

                    (ii) second, to the payment of any outstanding interest or
               other fees or amounts due under this Agreement or any of the
               other Loan Documents other than for principal, pro rata as among
               the Agent and the Lenders in accord with the amount of such
               interest and other fees or amounts owing each;

                    (iii) third, to the payment of the principal of the Loans,
               pro rata as among the Lenders in accord with the then respective
               unpaid principal balances of the Loans;

                    (iv) fourth, to the Agent and the Lenders pro rata in accord
               with the amounts of any other indebtedness, obligations or
               liabilities of the Borrower owing to them and secured by the
               Collateral Documents unless and until all such indebtedness,
               obligations and liabilities have been fully paid and satisfied;
               and

                    (v) fifth, to the Agent, to be held as collateral security
               for any undrawn letters of credit issued by the Agent or any
               Lender until the Agent or such Lender is holding an amount of
               cash equal to the then outstanding amount of all Letters of
               Credit;

                    (vi) sixth, to the Borrower or to whomever the Agent
               reasonably determines to be lawfully entitled thereto.

                  6.32 The Borrower agrees to continue to retain Alex Brown (or
         another reputable financial advisor) to enhance its capital structure
         and cause such financial advisor to issue periodic (but no less
         frequently than monthly) progress reports to the Lenders.

                  6.33 The Borrower agrees to continue to cooperate with, pay
         the fees and expenses of, Policano & Manzo LLC.

<PAGE>

     (q) Section 8.2 of the Credit Agreement shall be amended in its entirety
and as so amended shall read as follows:

                  "8.2. AMENDMENTS. Subject to the provisions of this Article
         VIII, the Required Lenders (or the Agent with the consent in writing of
         the Required Lenders) and the Borrower may enter into agreements
         supplemental hereto for the purpose of adding or modifying any
         provisions to the Loan Documents or changing in any manner the rights
         of the Lenders or the Borrower hereunder or waiving any Default
         hereunder; PROVIDED, HOWEVER, that no such supplemental agreement
         shall, without the consent of all of the Lenders:

     (i) Extend the final maturity of any Loan or forgive all or any portion of
the principal amount thereof, or reduce the rate or extend the time of payment
of interest or fees thereon.

     (ii) Reduce the percentage specified in the definition of Required Lenders
or amend the definition of Permitted Overadvance or Borrowing Base.

     (iii) Extend the Facility Termination Date, or reduce the amount or extend
the payment date for, the mandatory payments required under Section 2.2, or
increase the amount of the Commitment of any Lender hereunder, or permit the
Borrower to assign its rights under this Agreement. (iv) Amend this Section 8.2.

     (v) Release any Guarantor from its Guaranty or, except as provided in the
Collateral Documents, release all or substantially all of the Collateral.

No amendment of any provision of this Agreement relating to the Agent shall be
effective without the written consent of the Agent. No amendment of any
provision of this Agreement relating to the Swing Line Lender or any Swing Line
Loans shall be effective without the written consent of the Swing Line Lender.
The Agent may waive payment of the fee required under Section 12.3.2 without
obtaining the consent of any other party to this Agreement."

     (r) Any reference in the Credit Agreement or any other Loan Document to
"ARC Services, Inc." shall be corrected to "ARC Service, Inc." and any reference
in the Credit Agreement or any other Loan Document to "ARC Midholdings, Inc."
shall be corrected to "ARC Midholding, Inc."

     (s) Exhibits B and F to the Credit Agreement shall be amended in their
entirety and as so amended shall read as set forth on Exhibits B and F hereto.

2.   WAIVERS AND RELEASE OF CLAIMS.

     Upon satisfaction of the conditions set forth in Section 4 hereof, the
Lenders waive

<PAGE>

compliance by the Borrower as of March 31, 2000 and June 30, 2000 with the
provisions of Section 6.24 of the Credit Agreement and also waive any other
provisions of the Credit Agreement which may have been violated as a result of
overdrafts existing in the Borrower's account with Agent through the date hereof
and as a result of the failure to have received a Compliance Certificate from
the Borrower with the June 30, 2000 financial statements.

     In further consideration for the agreement of the Agent and the Lenders to
this Sixth Amendment, Borrower and each Guarantor hereby release and forever
discharge Agent, each Lender, each of their parent corporations, affiliated
corporations, subsidiary corporations, predecessor corporations and successor
corporations, and the past and present officers, directors, agents, assigns,
subrogees, servants, employees, financial advisors and attorneys of each of them
from any and all claims, actions, causes of actions, choses in action and suits
of every kinds and nature whatsoever, whether at law or in equity, under any
facts or legal theory that Borrower or any Guarantor ever had, now has, or
hereafter can, shall or may have, in any way related to arising from out of or
based upon this Agreement, any amendment thereto, or any Loan Document, except
for any such claims arising out of Agent's or any Lender's future willful breach
of this Agreement.

3.   REPRESENTATIONS.

     In order to induce the Lenders to execute and deliver this Amendment, the
Borrower hereby represents to the Lenders that as of the date hereof, the
representations and warranties set forth in Article 5 of the Credit Agreement
are and shall be and remain true and correct (except that the representations
contained in Section 5.4 shall be deemed to refer to the most recent financial
statements of the Borrower delivered to the Lenders) and the Borrower is in
compliance with all of the terms and conditions of the Credit Agreement after
giving effect to the amendments and waivers contemplated hereby and no Unmatured
Default or Default has occurred and is continuing under the Credit Agreement or
shall result after giving effect to this Amendment.

     4. CONDITIONS PRECEDENT. This effectiveness of this Amendment shall be
subject to the satisfaction of all of the following conditions:

     (a) CERTAIN DOCUMENTS. Agent shall have received this Amendment duly
executed by the Borrower and the Lenders.

     (b) OPINION OF COUNSEL. Agent shall have received opinion of counsel to the
Borrower with respect to this Amendment, addressed to the Agent and the Lenders
which opinion shall be satisfactory to Agent and the Lenders.

     (c) NO DEFAULT. After giving effect to this Amendment and the waivers
contained herein, no Unmatured Default or Default shall have occurred and be
continuing or will result from the execution and delivery of, or the performance
by Borrower of any of its obligations under this Amendment.

<PAGE>

     (d) GUARANTOR CONSENT. The Guarantors shall have consented hereto in the
space provided for such purpose below.

5.   MISCELLANEOUS.

     (a) This Amendment shall become effective upon the execution and delivery
hereof to the Agent by the Borrower and the Lenders and the satisfaction of the
conditions precedent set forth in Section 4 hereof.

     (b) Except as specifically amended herein, the Credit Agreement shall
continue in full force and effect in accordance with its original terms.
Reference to this specific Amendment need not be made in any note, document,
letter, certificate, the Credit Agreement itself, the Notes, any other Loan
Document or any communication issued or made pursuant to or with respect to the
Credit Agreement, any reference in any of such to the Credit Agreement being
sufficient to refer to the Credit Agreement as amended hereby.

     (c) The Borrower agrees to pay on demand all costs and expenses of or
incurred by the Agent in connection with the negotiation, preparation, execution
and delivery of this Amendment, including the reasonable fees and expenses of
counsel for the Agent.

     (d) This Amendment may be executed in any number of counterparts, and by
the different parties on different counterparts, all of which taken together
shall constitute one and the same agreement. Any of the parties hereto may
execute this Amendment by signing any such counterpart and each of such
counterparts shall for all purposes be deemed to be an original. This Amendment
shall be governed by the internal laws of the State of Illinois.

    [remainder of this page intentionally left blank; signature page follows]

<PAGE>

IN WITNESS WHEREOF, this Amendment has been duly executed by each of the
undersigned as of the day and year first set forth above.

                                    ALTERNATIVE RESOURCES CORPORATION

                                    By:________________________________
                                    Name:______________________________
                                    Its:_______________________________

                                    AMERICAN NATIONAL BANK AND TRUST
                                       COMPANY OF CHICAGO, as Agent and
                                       individually as a Lender

                                    By:________________________________
                                    Name:______________________________
                                    Its:_______________________________

                                    MELLON BANK, N.A.

                                    By:________________________________
                                    Name:______________________________
                                    Its:_______________________________

                                    HARRIS TRUST AND SAVINGS BANK

                                    By:________________________________
                                    Name:______________________________
                                    Its:_______________________________

                                    FLEET NATIONAL BANK

                                    By:________________________________
                                    Name:______________________________
                                    Its:_______________________________

                                    NATIONAL CITY BANK

                                    By:________________________________
                                    Name:______________________________
                                    Its:_______________________________

<PAGE>

                               GUARANTORS' CONSENT

     The undersigned have each heretofore executed and delivered to the Agent
and Lenders a Guaranty and each hereby consent to the Sixth Amendment set forth
above and confirm that its Guaranty and all of the undersigned's obligations
thereunder remain in full force and effect in accordance with its terms. ARC
Service, Inc. and ARC Midholding, Inc., each further acknowledges and agrees
that any reference to its name in its Guaranty or any other Loan Document as
"ARC Services, Inc." or "ARC Midholdings, Inc.", as appropriate, is the result
of a scrivener's error and that all such references shall be corrected to "ARC
Service, Inc." and "ARC Midholding, Inc." respectively. ARC Solutions, Inc. and
ARC Midholding, Inc. also acknowledge and agree that any references in any Loan
Document to their prior names of CGI Systems, Inc. and CGI Corp., respectively,
shall be amended to their new names.

ARC SOLUTIONS, INC.                             ARC SERVICE, INC.
(formerly known as CGI  Systems, Inc.)

By:____________________________                 By:___________________________
Title:___________________________               Title:________________________

WRITERS, INC.                                   ARC MIDHOLDING, INC.
                                                (formerly known as CGI Corp.)

By:___________________________                  By:___________________________
Title:__________________________                Title:_________________________

<PAGE>

                                    EXHIBIT B

                             COMPLIANCE CERTIFICATE

To:  The Lenders parties to the
     Credit Agreement Described Below

     This Compliance Certificate is furnished pursuant to that certain Credit
Agreement dated as of November 7, 1997 (as amended, modified, renewed or
extended from time to time, the "Agreement") among the Alternative Resources
Corporation, a Delaware corporation (the "Borrower"), the lenders party thereto
and American National Bank and Trust Company of Chicago, as Agent for the
Lenders. Unless otherwise defined herein, capitalized terms used in this
Compliance Certificate have the meanings ascribed thereto in the Agreement.

     THE UNDERSIGNED HEREBY CERTIFIES THAT:

     1. I am the duly elected ___________of the Borrower;

     2. I have reviewed the terms of the Agreement and I have made, or have
caused to be made under my supervision, a detailed review of the transactions
and conditions of the Borrower and its Subsidiaries during the accounting period
covered by the attached financial statements;

     3. The examinations described in paragraph 2 did not disclose, and I have
no knowledge of, the existence of any condition or event which constitutes a
Default or Unmatured Default during or at the end of the accounting period
covered by the attached financial statements or as of the date of this
Certificate, except as set forth below; and

     4. Schedule I attached hereto sets forth financial data and computations
evidencing the Borrower's compliance with certain covenants of the Agreement,
all of which data and computations are true, complete and correct.

     Described below are the exceptions, if any, to paragraph 3 by listing, in
detail, the nature of the condition or event, the period during which it has
existed and the action which the Borrower has taken, is taking, or proposes to
take with respect to each such condition or event:

------------------------------------------------------------------------------
------------------------------------------------------------------------------
------------------------------------------------------------------------------

<PAGE>

     The foregoing certifications, together with the computations set forth in
Schedule I and Schedule II hereto and the financial statements delivered with
this Certificate in support hereof, are made and delivered this __day of
_______, ___.

<PAGE>

                      SCHEDULE I TO COMPLIANCE CERTIFICATE

                      Compliance as of _________, ____ with
                 Provisions of Sections 6.11, 6.14, 6.16, 6.17,
                      6.20, 6.23 and 6.24 of the Agreement

A.   INDEBTEDNESS (SECTION 6.11)

         1.       Amount of Indebtedness outstanding
                    described in 6.11(iii)                          $_________

         2.       Line 1 amount must not exceed                     $_________
                  (calculated at 8/31/00 Indebtedness
                  of $_______ plus additional Indebtedness
                  approved by Required Lenders)

         3.       Borrower in compliance (circle)                     yes/no

B.   INVESTMENTS AND ACQUISITIONS (SECTION 6.14)

         1.       Other fixed income investments described
                    in Section 6.14(iii)                            $_______
         2.       Line amount must not exceed                       $0
         3.       Investments in debt and equity securities
                    described in Section 6.14(iv)                   $_______
         4.       Line 3 amount must not exceed                     $ 0
         5.       Investments in joint ventures                     $_______
         6.       Line 5 amount must not exceed                     $0
         7.       Total Acquisitions after _______                  $_______
         8.       Line 7 amount must not exceed                     $0
         9.       Borrower in compliance (circle)                     yes/no

C.   CAPITAL EXPENDITURES (SECTION 6.16)

         1.       Capital Expenditures 8/1/00 to date               $_____
         2.       Line 1 amount must not exceed
                  (See Section 6.16)                                $_____
         3.       Borrower in compliance (circle)                    yes/no

D.   RENTALS (SECTION 6.17)

         1.       Operating lease obligations (Rentals)             $_______
         2.       Line 1 amount must not exceed                     $________
         3.       Borrower in compliance (circle)                    yes/no

<PAGE>

E.   SALE OF ASSETS AND ACCOUNTS (SECTIONS 6.13(iv) AND 6.20)

         1.       Sales of accounts, up to date                     $________
         2.       Sales of assets _______ to date                   $________
         3.       Sum of Line 1 and Line 2                          $________
         4.       Line 3 amount must not exceed                     $200,000
         5.       Borrower in compliance (circle)                     yes/no

F.       FINANCIAL CONTRACTS (SECTION 6.23)

         1.       Net Mark to Market Exposures for
                    Rate Hedging Obligations                        $_______
         2.       Line 1 amount must not exceed                     $5,000,000
         3.       Any other Financial Contracts?                      yes/no
         4.       Borrower in compliance (circle)                     yes/no

G.       CUMULATIVE CONSOLIDATED EBITDA (SECTION 6.24.4)
         (As computed for period 8/1/00 to date)

         1.       Consolidated Net Income                           $_______
         2.       Consolidated Interest Expense                     $_______
         3.       Federal, state and local taxes                    $_______
         4.       Extraordinary losses                              $_______
         5.       Sums of Lines 1 through 4                         $_______
         6.       Extraordinary gains                               $_______
         7.       Line 5 minus Line 6 (Consolidated EBIT)           $_______
         8.       Depreciation                                      $_______
         9.       Amortization                                      $_______
         10.      Sum of Lines 7, 8 and 9 (Consolidated EBITDA)     $_______
         11.      Line 10 amount must not be less than             $_________
         12.      Borrower in compliance (circle)                     yes/no

<PAGE>

                                    EXHIBIT F

                       FORM OF BORROWING BASE CERTIFICATE

To:  American National Bank and Trust
     Company of Chicago, as Agent
     One Bank One Plaza - 17th Floor
     Chicago, Illinois 60670
     Attention: A. Quinn Richardson

Ladies and Gentlemen:

     Please refer to the Credit Agreement dated as of November 7, 1997 (as
amended or otherwise modified from time to time, the "CREDIT AGREEMENT") among
Alternative Resources Corporation, a Delaware corporation (the "BORROWER"),
various financial institutions and American National Bank and Trust Company of
Chicago, as Agent. This certificate (this "CERTIFICATE"), together with
supporting calculations attached hereto, is delivered to you pursuant to the
terms of the Credit Agreement. Capitalized terms used but not otherwise defined
herein shall have the same meanings herein as in the Credit Agreement.

     The Borrower hereby certifies and warrants to the Agent and the Banks that
at the close of business on ______________, 200__ (the "CALCULATION DATE"), the
Borrowing Base was $_____________, computed as set forth on the schedule
attached hereto.

     IN WITNESS WHEREOF, the Borrower has caused this Certificate to be executed
and delivered by its officer thereunto duly authorized on ___________, 200__.

                                       ALTERNATIVE RESOURCES CORPORATION,
                                       a Delaware corporation

                                       By:_____________________________________
                                       Title:__________________________________

<PAGE>

                     SCHEDULE TO BORROWING BASE CERTIFICATE
                   Calculations as of ________________, 200___

<TABLE>
<CAPTION>
<S>      <C>                                                                  <C>
1.       Gross Accounts Receivable (per attached aged receivables report)     $_________

2.       Less:  Subcontracted Receivables                                     $_________

3.       Total Non Subcontracted Receivables (Line 1 less Line 2)             $_________

4.       Less Ineligibles (per definition of Eligible Account Receivable):
  a.     Agent's Lien Not Perfected           $_________
  b.     Subject to other Lien                $_________
  c.     Subject to Offset                    $_________
  d.     Account Debtor not in U.S. or Canada $_________
  e.     Sale on Approval, Sale etc.          $_________
  f.     Over 60-90 days                      $_________
  g.     Affiliate Receivables                $_________
  h.     Cross age (not included in Line 4f)  $_________
  i.     Other                                                                $_________

5.       Total Ineligibles                                                    $_________

6.       Eligible Non Subcontracted Accounts
         Receivables (Line 3 minus Line 5)                                    $_________

7.       Ineligible Subcontracted Accounts Receivables
  a.     Over 60-90 days                                                      $_________
  b.     Otherwise Ineligible (per definition
         of Eligible Account Receivable)                                      $_________

8.       Total Ineligible Subcontracted Account                               $_________
          Receivables                                                         $_________

9.       Eligible Subcontracted Account Receivables
         (Line 2 minus Line 8)                                                $_________

10.      Total Eligible Receivables (Line 6 plus Line 9)                      $_________

11.      80% of Line 10                                                       $_________

12.      Permitted Overadvance                                                $_________

<PAGE>

13.      Borrowing Base (Line 11 Plus Line 12)                                $_________
         Lesser of Line 13 or Total Commitments                               $_________

15.      Loans Outstanding                                                    $_________

16.      Net Availability (Excess of Line 14 over Line 15)                    $_________

17.      Required Prepayment (Excess of Line 15 over Line 14)                 $_________
</TABLE><PAGE>

                      SEVENTH AMENDMENT TO CREDIT AGREEMENT
              AND AMENDMENT TO COLLATERAL DOCUMENTS AND GUARANTIES

         THIS SEVENTH AMENDMENT TO CREDIT AGREEMENT AND AMENDMENT TO COLLATERAL
DOCUMENTS AND GUARANTIES dated as of December 4, 2000 (the "AMENDMENT"), is
among Alternative Resources Corporation, a Delaware corporation, the undersigned
Lenders and American National Bank and Trust Company of Chicago, as Agent and as
Lender. Unless otherwise defined herein, capitalized terms used herein shall
have the meanings ascribed to them in Credit Agreement (as hereinafter defined).
ARC Solutions, Inc., Writers, Inc., ARC Service, Inc. and ARC Midholding, Inc.
execute and deliver this Amendment for the purpose of making certain amendments
to the Collateral Documents and Guaranties and confirming certain agreements
with respect thereto.

                              W I T N E S S E T H:

         WHEREAS, the Borrower, the Agent and the Lenders entered into that
certain Credit Agreement dated as of November 7, 1997 as heretofore amended (as
so amended and as the same may hereafter be amended, modified, restated or
otherwise supplemented from time to time, the "CREDIT AGREEMENT");

         WHEREAS, the Borrower, Agent and the Lenders wish to make certain
amendments to the Credit Agreement and the Borrower, Guarantors, Agent and
Lenders wish to make certain amendments to the Collateral Documents and
Guaranties;

         NOW, THEREFORE, in consideration of the mutual covenants and agreements
set forth herein and for other good and valuable consideration, the receipt and
sufficiency of which hereby are acknowledged, each of the undersigned agrees as
follows:

1.       AMENDMENTS TO CREDIT AGREEMENT.

         (a)      Article I of the Credit Agreement shall be amended by adding
the following new definitions thereto in the appropriate alphabetical order:

                  "ANB Letter of Credit" means that certain Irrevocable Standby
         Letter of Credit No. 60750813 issued by ANB for the account of the
         Borrower in favor of Hartford Fire Insurance Company as Beneficiary in
         an amount equal to $417,989 as amended, extended or replaced from time
         to time.

                                       1
<PAGE>

                  "L/C Outstandings" means with respect to the Letter of Credit
         the maximum aggregate amount available for drawing thereunder under any
         and all circumstances plus (b) the aggregate amount of all unreimbursed
         payments and disbursements under the Letter of Credit.

                  "Cash Collateralize" means to deliver cash collateral to the
         Agent to be held as cash collateral for the outstanding Letter of
         Credit pursuant to documentation satisfactory to Agent. Derivatives of
         such term have corresponding meanings.

         (b) The definitions of Letter of Credit, Loan Documents, Obligations
and Outstanding Credit Exposure contained in Article I of the Credit Agreement
shall be amended in their entirety and as so amended shall read as follows:

                  "Letter of Credit " means that certain Irrevocable Standby
         Letter of Credit issued by the Agent in favor of Hartford Fire
         Insurance Company in the amount of $432,011, as amended, extended or
         replaced from time to time.

                  "Loan Documents" means this Agreement and any Notes issued
         pursuant to Section 2.13 hereof, the Collateral Documents, the
         Guaranties and the applications executed and delivered in connection
         with the ANB Letter of Credit and the Letter of Credit.

                  "Obligations" means all unpaid principal of and accrued and
         unpaid interest on the Loans, all reimbursement obligations in respect
         of the Letter of Credit and the ANB Letter of Credit, and accrued and
         unpaid fees and all expenses, reimbursements, indemnities and other
         obligations of the Borrower to the Lenders or to any Lender, the Agent
         or any indemnified party arising under the Loan Documents.

                  "Outstanding Credit Exposure" means, as to any Lender at any
         time, the sum of (a) the aggregate principal amount of its Loans
         outstanding at such time plus (b) an amount equal to its Pro Rata Share
         of L/C Outstandings at such time.

         (c)      Article II of the Credit  Agreement  shall be amended  in its
entirety and as so amended shall read as follows:

         2.1      COMMITMENT. From and including the date of this Agreement and
prior to the Facility Termination Date, each Lender severally agrees, on the
terms and conditions set forth in this Agreement, to make Loans to the Borrower
from time to time in amounts not to exceed in the aggregate at any one time
outstanding its Pro Rata Share of the Available Aggregate Commitment (i.e. the
Aggregate Commitments then in effect minus the aggregate principal amount of
Loans and L/C Outstandings), PROVIDED that at no time shall the Aggregate
Outstanding Credit Exposure (i.e. the aggregate principal amount of outstanding
Loans and L/C

                                       2
<PAGE>

Outstandings hereunder) exceed the Borrowing Base as then determined and
computed. Subject to the terms of this Agreement, the Borrower may borrow, repay
and reborrow at any time prior to the Facility Termination Date. The Commitments
to lend hereunder shall expire on the Facility Termination Date.

         2.2      REQUIRED PAYMENTS; TERMINATION. Any outstanding Advances and
all other unpaid Obligations shall be paid in full by the Borrower on the
Facility Termination Date. Additionally, on the Facility Termination Date
Borrower shall Cash Collateralize the outstanding amount of the Letter of
Credit. Additionally, if on any day the Aggregate Outstanding Credit Exposure
exceeds the lesser of (a) the Borrowing Base or (b) the Aggregate Commitment,
the Borrower shall immediately make a prepayment of the Loans in an amount
sufficient to eliminate such excess. Additionally, the Borrower shall, from time
to time, immediately prepay the Loans and the Aggregate Commitment shall
automatically reduce (subject to re-instatement upon request of the Borrower and
consent to do so by all the Lenders) in an amount equal to all income tax
refunds received by the Borrower. Additionally, the Borrower shall, from time to
time, immediately prepay the Loans in an amount equal to the net proceeds
received on account of the sale of any of its assets, including, without
limitation, any sale of Collateral.

         2.3      RATABLE LOANS. Each Advance hereunder shall consist of
Revolving Loans made from the several Lenders ratably in proportion to the ratio
that their respective Commitments bear to the Aggregate Commitment.

         2.4      TYPES OF  ADVANCES.  The Advances  shall be Floating  Rate
Advances selected by the Borrower in accordance with Section 2.9.

         2.5      LETTER OF CREDIT PROVISIONS.

         2.5.1    NOTICE AND APPLICATION. The Borrower shall give notice to the
Agent of the proposed issuance of the Letter of Credit on a Business Day which
is at least three Business Days (or such lesser number of days as the Agent
shall agree in its sole discretion) prior to the proposed date of issuance of
the Letter of Credit. Each such notice shall be accompanied by a letter of
credit application in form satisfactory to the Agent and be duly executed by the
Borrower. So long as the Agent has not received written notice that the
conditions precedent set forth in Section 4.2 with respect to the issuance of
such Letter of Credit have not been satisfied, the Agent shall issue the Letter
of Credit on the requested issuance date.

         2.5.2    PARTICIPATIONS IN LETTER OF CREDIT. Concurrently with the
issuance of the Letter of Credit, the Agent shall be deemed to have sold and
transferred to each Lender and each Lender shall be deemed irrevocably and
unconditionally to have purchased and received from Agent, without recourse or
warranty, an undivided interest and participation, to the extent of its Pro Rata
Share in the Letter of Credit and the Borrower's reimbursement obligations with
respect thereto.

                                       3
<PAGE>

         2.5.3    REIMBURSEMENT OBLIGATIONS. The Borrower hereby unconditionally
and irrevocably agrees to reimburse the Agent for each payment or disbursement
made by the Agent under the Letter of Credit honoring any demand for payment
made by the beneficiary thereunder, in each case on the date that such payment
or disbursement is made. Any amount not reimbursed on the date of such payment
or disbursement shall bear interest from the date of such payment or
disbursement to the date that the Agent is reimbursed by he Borrower therefor,
payable on demand, at a rate per annum equal to the Alternate Base Rate from
time to time in effect PLUS 2.25% PLUS, beginning on the third Business Day
after receipt of notice from the Agent of such payment or disbursement, 2%. The
Agent shall notify the Borrower whenever any demand for payment is made under
the Letter of Credit by the beneficiary thereunder; PROVIDED that the failure of
the Agent to so notify the Borrower shall not affect the rights of the Agent in
any manner whatsoever.

         2.5.4    LIMITATION ON OBLIGATIONS OF AGENT. In determining whether to
pay under the Letter of Credit, the Agent shall not have any obligation to the
Borrower or any Lender other than to confirm that any documents required to be
delivered under such Letter of Credit appear to have been delivered and appear
to comply on their face with the requirements of such Letter of Credit. Any
action taken or omitted to be taken by the Agent under or in connection with any
Letter of Credit, if taken or omitted in the absence of gross negligence and
willful misconduct, shall not impose upon the Agent any liability to the
Borrower or any Lender and shall not reduce or impair the Borrower's
reimbursement obligations set forth in SECTION 2.5.3 or the obligations of the
Lenders pursuant to SECTION 2.5.5.

         2.5.5    FUNDING BY LENDERS TO AGENT. If the Agent makes any payment or
disbursement under the Letter of Credit and the Borrower has not reimbursed the
Agent in full for such payment or disbursement by 11:00 a.m., Chicago time, on
the date of such payment or disbursement, or if any reimbursement received by
the Agent from the Borrower is or must be returned or rescinded upon or during
any bankruptcy or reorganization of the Borrower or otherwise, each Lender shall
be obligated to pay to the Agent for its account, in full or partial payment of
the purchase price of its participation in such Letter of Credit, its Pro Rata
Share of such payment or disbursement (but no such payment shall diminish the
obligations of the Borrower under SECTION 2.5.3), and the Agent shall promptly
notify each Lender thereof. Each Lender irrevocably and unconditionally agrees
to so pay to the Agent in immediately available funds for its own account the
amount of such Lender's Pro Rata Share of such payment or disbursement. If and
to the extent any Lender shall not have made such amount available to the Agent
by 2:00 p.m., Chicago time, on the Business Day on which such Lender receives
notice from the Agent of such payment or disbursement (it being understood that
any such notice received after noon, Chicago time, on any Business Day shall be
deemed to have been received on the next following Business Day), such Lender
agrees to pay interest on such amount to the Agent for its account forthwith on
demand, for each day from the date such amount was to have been delivered to the
Agent to the date such amount is paid, at a rate per annum equal to (a) for the
first three days after demand, the Federal Funds Effective Rate from time to
time in effect and (b) thereafter, the Corporate Base Rate from time to time in
effect. Any Lender's failure to make available to the Agent its Pro Rata Share
of any such payment or disbursement shall not

                                       4
<PAGE>

relieve any other Lender of its obligation hereunder to make available to the
Agent such other Lender's Pro Rata Share of such payment, but no Lender shall be
responsible for the failure of any other Lender to make available to the Agent
such other Lender's Pro Rata Share of any such payment or disbursement.

         2.6      COMMITMENT FEE; REDUCTIONS IN AGGREGATE COMMITMENT; LETTER OF
CREDIT FEE.

         (a) The Borrower agrees to pay to the Agent for the account of each
Lender a commitment fee at a per annum rate equal to one-half of one percent
(1/2%) on the daily unused portion of such Lender's Commitment from the date
hereof to and including the Facility Termination Date, payable on each
Payment Date hereafter and on the Facility Termination Date. The Letter of
Credit shall count as usage of the Commitments for purposes of calculating
the commitment fee due hereunder. The Borrower may permanently reduce the
Aggregate Commitment in whole, or in part ratably among the Lenders in
integral multiples of $1,000,000, upon at least one (1) Business Day's
written notice to the Agent, which notice shall specify the amount of any
such reduction, PROVIDED, HOWEVER, that the amount of the Aggregate
Commitment may not be reduced below the aggregate principal amount of the
Aggregate Outstanding Credit Exposure. All accrued commitment fees shall be
payable on the effective date of any termination of the obligations of the
Lenders to make Loans hereunder.

          (b) The Borrower agrees to pay to the Agent for the account of the
Lenders a letter of credit fee for the Letter of Credit equal to 2.25% per
annum of the average daily amount of L/C Outstandings in effect from time to
time from the date hereof to and including the Facility Termination Date,
payable on each Payment Date hereafter and on the Facility Termination Date
such fee to be for the pro rata account of the Lenders and computed on the
basis of a 360-day year, PROVIDED that at all times when the default rate of
interest is in effect pursuant to Section 2.12 hereof, the letter of credit
fee payable hereunder shall be increased by 2% per annum.

         2.7      INTEREST  OPTIONS.  No  Advance  may be made as,  converted
into or continued as a Eurodollar Advance.

         2.8      OPTIONAL PRINCIPAL PAYMENTS. The Borrower may from time to
time pay, without penalty or premium, all outstanding Floating Rate Advances or
any portion of the outstanding Floating Rate Advances upon notice to Agent by
11:00 a.m. (Chicago time) on the date of repayment.

         2.9      METHOD OF SELECTING TYPES AND INTEREST PERIODS FOR NEW
ADVANCES. The Borrower shall select the Type of Advance from time to time. The
Borrower shall give the Agent irrevocable notice (a "Borrowing Notice") not
later than 10:00 a.m. (Chicago time) on the Borrowing Date of each Floating Rate
Advance:

         (i)      the Borrowing Date, which shall be a Business Day, of such
Advance, and

         (ii)     the aggregate amount of such Advance.

                                       5
<PAGE>

Not later than noon (Chicago time) on each Borrowing Date, each Lender shall
make available its Revolving Loan or Revolving Loans in funds immediately
available in Chicago to the Agent at its address specified pursuant to Article
XIII. The Agent will make the funds so received from the Lenders available to
the Borrower at the Agent's aforesaid address.

         2.10     CONTINUATION  OF  OUTSTANDING  ADVANCES.  Floating Rate
Advances shall continue as Floating Rate Advances unless and until such Floating
Rate Advances are repaid.

         2.11     CHANGES IN INTEREST RATE, ETC. Each Floating Rate Advance
shall bear interest on the outstanding principal amount thereof, for each day
from and including the date such Advance is made, to but excluding the date it
is paid, at a rate per annum equal to the Floating Rate for such day. Changes in
the rate of interest on that portion of any Advance maintained as a Floating
Rate Advance will take effect simultaneously with each change in the Alternate
Base Rate.

         2.12     RATES APPLICABLE AFTER DEFAULT AND UNDER OTHER CIRCUMSTANCES.
Notwithstanding anything to the contrary contained in Section 2.9 or 2.10,
during the continuance of a Default or Unmatured Default the Required Lenders
may, at their option, by notice to the Borrower (which notice may be revoked at
the option of the Required Lenders notwithstanding any provision of Section 8.2
requiring unanimous consent of the Lenders to changes in interest rates),
declare that each Floating Rate Advance shall bear interest at a rate per annum
equal to the Floating Rate in effect from time to time plus 2% per annum,
PROVIDED that, during the continuance of a Default under Section 7.6 or 7.7,
such interest rate shall be applicable to all Advances without any election or
action on the part of the Agent or any Lender.

         2.13     METHOD OF PAYMENT. All payments of the Obligations hereunder
shall be made, without setoff, deduction, or counterclaim, in immediately
available funds to the Agent at the Agent's address specified pursuant to
Article XIII, or at any other Lending Installation of the Agent specified in
writing by the Agent to the Borrower, by noon (local time) on the date when due
and shall be applied ratably by the Agent among the Lenders. Each payment
delivered to the Agent for the account of any Lender shall be delivered promptly
by the Agent to such Lender in the same type of funds that the Agent received at
its address specified pursuant to Article XIII or at any Lending Installation
specified in a notice received by the Agent from such Lender. The Agent is
hereby authorized to charge the account of the Borrower maintained with ANB for
each payment of principal, interest and fees as it becomes due hereunder.

         2.14     NOTELESS AGREEMENT; EVIDENCE OF INDEBTEDNESS. (i) Each Lender
shall maintain in accordance with its usual practice an account or accounts
evidencing the indebtedness of the Borrower to such Lender resulting from each
Loan made by such Lender from time to time, including the amounts of principal
and interest payable and paid to such Lender from time to time hereunder.

         (ii)     The Agent shall also maintain accounts in which it will record
(a) the amount of each Loan made hereunder and the Type thereof, (b) the amount
of any principal or interest due and payable or to become due and payable from
the Borrower to each Lender hereunder and (c) the

                                       6
<PAGE>

amount of any sum received by the Agent hereunder from the Borrower and each
Lender's share thereof.

         (iii)   The entries maintained in the accounts maintained pursuant to
paragraphs (i) and (ii) above shall be PRIMA FACIE evidence of the existence and
amounts of the Obligations therein recorded absent demonstrable or manifest
error; PROVIDED, HOWEVER, that the failure of the Agent or any Lender to
maintain such accounts or any error therein shall not in any manner affect the
obligation of the Borrower to repay the Obligations in accordance with their
terms.

         (iv)    Any Lender may request that its Loans be evidenced by a
promissory note representing its Revolving Loans, substantially in the form of
Exhibit E (each a "Note"). In such event, the Borrower shall prepare, execute
and deliver to such Lender such Note or Notes payable to the order of such
Lender. Thereafter, the Loans evidenced by each such Note and interest thereon
shall at all times (including after any assignment pursuant to Section 12.3) be
represented by one or more Notes payable to the order of the payee named therein
or any assignee pursuant to Section 12.3, except to the extent that any such
Lender or assignee subsequently returns any such Note for cancellation and
requests that such Loans once again be evidenced as described in paragraphs (i)
and (ii) above.

         2.15.   TELEPHONIC NOTICES. The Borrower hereby authorizes the Lenders
and the Agent to extend or continue Advances, effect selections of Types of
Advances and to transfer funds based on telephonic notices made by any person or
persons the Agent or any Lender in good faith believes to be acting on behalf of
the Borrower, it being understood that the foregoing authorization is
specifically intended to allow Borrowing Notices to be given telephonically. The
Borrower agrees to deliver promptly to the Agent a written confirmation, if such
confirmation is requested by the Agent or any Lender, of each telephonic notice
signed by an Authorized Officer. If the written confirmation differs in any
material respect from the action taken by the Agent and the Lenders, the records
of the Agent and the Lenders shall govern absent manifest or demonstrable error.

         2.16.   INTEREST PAYMENT DATES; INTEREST AND FEE BASIS. Interest
accrued on each Floating Rate Advance shall be payable on each Payment Date,
commencing with the first such date to occur after the date hereof and at
maturity. Interest and commitment fees shall be calculated for actual days
elapsed on the basis of a 360-day year. Interest shall be payable for the day an
Advance is made but not for the day of any payment on the amount paid if payment
is received prior to 1:00 p.m. (local time) at the place of payment. If any
payment of principal of or interest on an Advance shall become due on a day
which is not a Business Day, such payment shall be made on the next succeeding
Business Day and, in the case of a principal payment, such extension of time
shall be included in computing interest in connection with such payment.

         2.17.   NOTIFICATION OF ADVANCES, INTEREST RATES, PREPAYMENTS AND
COMMITMENT REDUCTIONS. Promptly after receipt thereof, the Agent will notify
each Lender of the contents of each Aggregate Commitment reduction notice,
Borrowing Notice, and repayment notice received

                                       7
<PAGE>

by it hereunder. The Agent will give each Lender prompt notice of each change in
the Alternate Base Rate.

         2.18    LENDING INSTALLATIONS. Each Lender may book its Loans at any
Lending Installation selected by such Lender and may change its Lending
Installation from time to time. All terms of this Agreement shall apply to any
such Lending Installation and the Loans and any Notes issued hereunder shall be
deemed held by each Lender for the benefit of any such Lending Installation.
Each Lender may, by written notice to the Agent and the Borrower in accordance
with Article XIII, designate replacement or additional Lending Installations
through which Loans will be made by it and for whose account Loan payments are
to be made.

         2.19    NON-RECEIPT OF FUNDS BY THE AGENT. Unless the Borrower or a
Lender, as the case may be, notifies the Agent prior to the date on which it is
scheduled to make payment to the Agent of (i) in the case of a Lender, the
proceeds of a Loan or (ii) in the case of the Borrower, a payment of principal,
interest or fees to the Agent for the account of the Lenders, that it does not
intend to make such payment, the Agent may assume that such payment has been
made. The Agent may, but shall not be obligated to, make the amount of such
payment available to the intended recipient in reliance upon such assumption. If
such Lender or the Borrower, as the case may be, has not in fact made such
payment to the Agent, the recipient of such payment shall, on demand by the
Agent, repay to the Agent the amount so made available together with interest
thereon in respect of each day during the period commencing on the date such
amount was so made available by the Agent until the date the Agent recovers such
amount at a rate per annum equal to (x) in the case of payment by a Lender, the
Federal Funds Effective Rate for such day for the first three days and,
thereafter, the interest rate applicable to the relevant Loan or (y) in the case
of payment by the Borrower, the interest rate applicable to the relevant Loan.

         2.20    DISBURSEMENTS OF ADVANCES; SETTLEMENTS AMONG AGENT AND LENDERS;
PAYMENTS OF INTEREST AND FEES; DISGORGEMENT OBLIGATIONS. (a) The outstanding
balance of Advances may fluctuate from day to day through the Agent's
disbursement of funds to, and receipt of funds from, the Borrower. In order to
minimize the frequency of transfers of funds between the Agent and each Lender,
Advances and payments will be settled according to the procedures described in
this Section 2.20. Notwithstanding these procedures, each Lender's obligation to
fund its portion of any Advances made by the Agent to the Borrower will commence
on the date such Advances are made by the Agent. Such payments will be made by
each Lender without setoff, counterclaim or reduction of any kind. The
provisions of this Section 2.20 shall not apply to the funding obligations of
the Lenders described in Section 2.5.5 hereof.

         (b)     On Friday of each week, or more frequently (including daily) if
the Agent so elects (each such day being a "Settlement Date"), the Agent will
advise each Lender by telephone or telecopy of the amount of each such Lender's
ratable share of the outstanding balance of Advance as of the close of business
of the Business Day immediately preceding the Settlement Date. In the event that
payments are necessary to adjust the amount of such Lender's share of the
outstanding balance of Advances to equal such Lender's Commitment percentage of
the Obligations as of any Settlement Date, such Lender will pay to the Agent, or
the Agent will

                                       8
<PAGE>

pay to such Lender (as applicable) the amount necessary in same day funds by
wire transfer to the other's account not later than 4:00 p.m. Chicago time on
the Business Day following the Settlement Date.

         (c)     Notwithstanding the foregoing, the Agent, at its option, may
elect to require that each Lender provide funds in connection with any requested
borrowing hereunder on the scheduled borrowing date, and in such event the Agent
shall advise each Lender by telephone or telecopy of the amount to be funded by
such Lender no later than the borrowing date applicable thereto, and each such
Lender shall pay to the Agent such Lender's Commitment percentage of the
borrowing in same day funds by wire transfer to the Agent's account not later
than 4:00 p.m. Chicago time on such Borrowing date.

         (d)     On the first Business Day of each month (each, an "Interest
Settlement Date"), the Agent will advise each Lender by telephone or telecopy of
the amount of such Lender's commitment percentage of interest and fees on each
Loan and Letter of Credit fees as of the end of the last day of the immediately
preceding month. Provided that such Lender has made all payments required to be
made by it under this Agreement, the Agent will pay to such Lender, by wire
transfer to such Lender's account (as specified by such Lender on the signature
page of this Agreement or the applicable Assignment and Acceptance) not later
than 2:00 p.m. Chicago time on the next Business Day following the Interest
Settlement Date, such Lender's commitment percentage of interest and commitment
fees, in each instance, received by Agent in the immediately preceding month.

         (e)     Unless the Agent shall have received notice from the Borrower
prior to the date on which any payment is due to the Lenders hereunder that the
Borrower will not make such payment in full as and when required hereunder, the
Agent may assume that the Borrower has made such payment in full to the Agent on
such date in immediately available funds and the Agent may (but shall not be so
required), in reliance upon such assumption, cause to be distributed to each
Lender on such due date an amount equal to the amount then due such Lender. If
the Agent pays an amount to a Lender under this Agreement in the belief or
expectation that a related payment has been or will be received by the Agent
from the Borrower and such related payment is not received by the Agent, the
Agent shall be entitled to recover such amount from such Lender, and each Lender
shall repay to Agent on demand such amount, together with interest thereon for
each day from the date such amount is distributed to such Lender until the date
such Lender repays such amount to the Agent, at the Agent's cost of funds,
without setoff, counterclaim or deduction of any kind. If the Agent determines
at any time that any amount received by the Agent under this Agreement must be
returned to the Borrower or paid to any other Person pursuant to any solvency,
fraudulent conveyance or similar law or otherwise, then, notwithstanding any
other term or condition of this Agreement, the Agent will not be required to
distribute any portion of such payment to any Lender. In addition, each Lender
will repay to the Agent on demand any portion of such amount that the Agent has
distributed to such Lender, together with interest thereon at such rate, if any,
as the Agent is required to pay to the Borrower or such other Person, without
setoff, counterclaim or deduction of any kind.

                                       9
<PAGE>

         (d)      Section 4.2 shall be amended in its entirety and as so amended
 shall read as follows:

          "4.2. EACH ADVANCE OR LETTER OF CREDIT ISSUANCE. The Lenders shall not
be required to make any Advance (other than as provided in Section 2.5 hereof or
with respect to an Advance that, after giving effect thereto and to the
application of the proceeds thereof, does not increase the aggregate amount of
outstanding Advances or nor shall the Agent be required to issue the Letter of
Credit), unless on the applicable Borrowing Date or issuance date, as the case
may be:

         (i)      There exists no Default or Unmatured Default.

         (ii) The representations and warranties contained in Article V are true
and correct as of such Borrowing Date except to the extent any such
representation or warranty is stated to relate solely to an earlier date, in
which case such representation or warranty shall have been true and correct on
and as of such earlier date.

         (iii) All legal matters incident to the making of such Advance shall be
reasonably satisfactory to the Lenders and their counsel.

         Each Borrowing Notice or request for issuance of the Letter of Credit
as the case may be, shall constitute a representation and warranty by the
Borrower that the conditions contained in Sections 4.2(i) and (ii) have been
satisfied."

         (e)      Section 6.31(c) of the Credit Agreement shall be amended in
its entirety to read as follows:

                  (c) All payments and collections received in respect of the
         Obligations and all proceeds of the Collateral received, in each
         instance, by the Agent or any of the Lenders shall be remitted to the
         Agent and distributed as follows:

                           (i) first, to the payment of any outstanding costs
                  and expenses incurred by the Agent in monitoring, verifying,
                  protecting, preserving or enforcing the Liens on the
                  Collateral, and in protecting, preserving or enforcing rights
                  under this Agreement or any of the other Loan Documents, and
                  in any event including all costs and expenses of a character
                  which the Borrower has agreed to pay under Section 9.6 hereof
                  (such funds to be retained by the Agent for its own account
                  unless it has previously been reimbursed for such costs and
                  expenses by the Lenders, in which event such amounts shall be
                  remitted to the Lenders to reimburse them for payments
                  theretofore made to the Agent);

                           (ii) second, to the payment of any outstanding
                  interest or other fees or amounts due under this Agreement or
                  any of the other Loan Documents (other than for principal, or
                  on account of the ANB Letter of Credit) pro rata as among

                                       10
<PAGE>

                  the Agent and the Lenders in accord with the amount of such
                  interest and other fees or amounts owing each;

                           (iii) third, to the payment of the principal of the
                  Loans and reimbursement obligations in respect of the Letter
                  of Credit , pro rata as among the Lenders in accord with the
                  then respective unpaid principal balances of the Loans and
                  reimbursement obligations;

                           (iv) fourth, to the Agent and the Lenders pro rata in
                  accord with the amounts of any other indebtedness, obligations
                  or liabilities of the Borrower owing to them and secured by
                  the Collateral Documents unless and until all such
                  indebtedness, obligations and liabilities have been fully paid
                  and satisfied; and

                           (v) fifth, to the Agent, to be held as collateral
                  security for any undrawn amounts in respect of the Letter of
                  Credit until the Agent is holding an amount of cash equal to
                  the then outstanding undrawn amount of the Letter of Credit;

                           (vi) sixth, to ANB, to the payment of any interest,
                  fees, principal or other amounts owing to ANB on account of
                  the ANB Letter of Credit, with any excess to ANB to be held as
                  collateral security for any undrawn amounts in respect of the
                  ANB Letter of Credit until ANB is holding an amount of cash
                  equal to the then outstanding undrawn amount of the ANB Letter
                  of Credit;

                           (vii) seventh, to the Borrower or to whomever the
                  Agent reasonably determines to be lawfully entitled thereto."

         (f) The first paragraph of Section 8.1 of the Credit Agreement shall be
amended in its entirety and as so amended shall read as follows:

         "8.1. Acceleration. If any Default described in Section 7.6 or 7.7
occurs with respect to the Borrower, the obligations of the Lenders to make
Loans or of the Agent to issue the Letter of Credit hereunder shall
automatically terminate and the Obligations shall immediately become due and
payable and the Borrower shall immediately Cash Collateralize the full amount of
the Letter of Credit without any election or action on the part of the Agent or
any Lender. If any other Default occurs, the Required Lenders (or the Agent with
the consent of the Required Lenders) may, by notice to the Borrower terminate or
suspend the obligations of the Lenders to make Loans or to issue the Letter of
Credit hereunder, or declare the Obligations to be due and payable, or require
the Borrower to Cash Collateralize the full amount of the Letter of Credit or
all of the foregoing, whereupon the Obligations shall become immediately due and
payable, without presentment, demand, protest or further notice of any kind, all
of which the Borrower hereby expressly waives. The Borrower acknowledges and
agrees that the Lenders would not have an adequate remedy at law for failure of
the Borrower to Cash Collateralize the Letter of Credit and that the Agent on
behalf of the Lenders shall have the right to require the Borrower to

                                       11
<PAGE>

specifically perform such undertaking whether or not any draws have been made
under the Letter of Credit

2.       AMENDMENTS TO COLLATERAL DOCUMENTS AND GUARANTIES/REAFFIRMATION OF
SECURITY INTERESTS AND GUARANTEE OBLIGATIONS.

         (a)      Each Guaranty is hereby amended by amending the first
paragraph thereof in its entirety to read as follows:

                  "The undersigned hereby requests AMERICAN NATIONAL BANK AND
         TRUST COMPANY OF CHICAGO ("ANB") (ANB and the other financial
         institutions from time to time parties as lenders to the hereinafter
         defined Credit Agreement being hereinafter collectively referred to as
         the "Lenders" and individually as a "Lender") and the other Lenders, to
         extend credit to ALTERNATIVE RESOURCES CORPORATION, a Delaware
         corporation (the "Borrower") pursuant to that certain Credit Agreement
         dated as of November 7, 1997 among ANB, as Agent (ANB in such capacity
         together with its successors, the "Agent"), the Lenders and the
         Borrower (as amended from time to time, the "Credit Agreement"), and in
         consideration of any credit so extended, the undersigned hereby
         absolutely and unconditionally guarantees prompt payment when due,
         whether at stated maturity, upon acceleration or otherwise, and at all
         times thereafter, of any and all existing and future Secured
         Obligations (as such term and any other capitalized term used herein
         without definition is defined in the Credit Agreement and which
         includes, without limitation, Loans, the Letter of Credit and the ANB
         Letter of Credit) of every kind, nature and character, direct or
         indirect, absolute or contingent (including all renewals, extensions
         and modifications thereof and all reasonable attorneys' fees incurred
         by any Lender or the Agent in connection with the collection or
         enforcement thereof or hereof), of the Borrower to the Agent or any
         Lender howsoever and whensoever created, arising, evidenced or acquired
         under or in connection with the Credit Agreement or the ANB Letter of
         Credit (as defined in the Credit Agreement) or any Loan Document (the
         "Guaranteed Debt").

         (b) The Pledge Agreement is hereby amended by amending the definition
of "Obligations" contained in Section 1 thereof in its entirety to read as
follows:

                  "Obligations" means any and all existing and future Secured
         Obligations (as defined in the Credit Agreement and which includes,
         without limitation, Loans, the Letter of Credit and the ANB Letter of
         Credit, as such terms are defined in the Credit Agreement) of every
         kind, nature and character, direct or indirect, absolute or contingent
         (including all renewals, extensions and modifications thereof and all
         reasonable fees, costs and expenses incurred by the Agent or any Lender
         in connection with the documentation, administration, collection or
         enforcement thereof), of the Company to the Agent or any Lender,
         howsoever and whensoever created, arising, evidenced or acquired under
         the Credit Agreement or in connection with the ANB Letter of Credit or
         any Loan

                                       12
<PAGE>

         Document (as defined in the Credit Agreement) including, without
         limitation, those arising under or pursuant to this Pledge Agreement."

         (c) The Security Agreement is hereby amended by amending the definition
of "Liabilities" contained therein in its entirety to read as follows:

                  "LIABILITIES" means, as to each Debtor, any and all existing
         and future Secured Obligations (as defined in the Credit Agreement and
         which includes, without limitation, Loans, the Letter of Credit and the
         ANB Letter of credit, as such terms are defined in the Credit
         Agreement) of every kind, nature and character, direct or indirect,
         absolute or contingent (including all renewals, extensions and
         modifications thereof and all reasonable fees, costs and expenses
         incurred by the Agent or any Lender in connection with the
         documentation, administration, collection or enforcement thereof) of
         such Debtor to the Agent or any Lender, howsoever and whensoever
         created, arising, evidenced or acquired under the Credit Agreement or
         in connection with the ANB Letter of Credit, or any Loan Document (as
         defined in the Credit Agreement), including, without limitation, those
         arising under or pursuant to this Agreement."

         (d) The Collateral Assignment of Stock Purchase Agreement dated
November 7, 1997 from the Borrower in favor of the Agent for the benefit of the
Lenders shall be amended by amending the second paragraph thereof in its
entirety to read as follows:

                  "This Assignment is made and given as collateral security for
         (i) the payment in full of any and all indebtedness, obligations and
         liabilities of the Assignor to the Agent and the Lenders, evidenced by
         or otherwise arising out of or relating to the Credit Agreement or any
         other Loan Document, as well as for any and all other indebtedness,
         obligations and liabilities of Assignor to the Agent and the Lenders
         evidenced by or otherwise arising out of or relating to this Assignment
         or constituting Secured Obligations (as such term is defined in the
         Credit Agreement and which includes, without limitation, Loans, the
         Letter of credit and the ANB Letter of Credit as such terms are defined
         in the Credit Agreement) or in connection with the ANB Letter of Credit
         or any Loan Document, in each case, whether now existing or hereafter
         arising, due or to become due, direct or indirect, absolute or
         contingent, joint or several or joint and several and however
         evidenced, held or acquired, and (ii) all expenses and charges, legal
         and otherwise incurred by the Agent or any Lender in collecting or
         enforcing any of said indebtedness, obligations and liabilities or in
         realizing on or protecting any security therefor including, without
         limitation, the security interest granted hereunder (all of such
         indebtedness, obligations, liabilities, expenses and charges identified
         in the immediately foregoing clauses (i) and (ii) above being herein
         referred to as the "LIABILITIES").

         (e)      The Borrower hereby confirms and agrees that the amendment
provided for in the foregoing clause (c) to the definition of the term
"Liabilities" contained in the Security Agreement is effective for all purposes
of the incorporation of such term by reference into the

                                       13
<PAGE>

Trademark Security Agreement dated September 14, 2000 from the Borrower in favor
of the Agent for the benefit of the Lenders.

         (f)      The Borrower and Guarantors each hereby acknowledges and
agrees that, notwithstanding the execution and delivery of this Amendment, each
of the Collateral Documents and Guaranties, as amended hereby remains in full
force and effect and the rights and remedies of the Agent and Lenders
thereunder, the obligations of the Borrower thereunder and the liens and
security interests created and provided for thereunder remain in full force and
effect and shall not be affected, impaired or discharged hereby.

3.       RELEASE.

         In consideration for the agreement of the Agent and the Lenders to this
Amendment, Borrower and each Guarantor hereby release and forever discharge
Agent, each Lender, each of their parent corporations, affiliated corporations,
subsidiary corporations, predecessor corporations and successor corporations,
and the past and present officers, directors, agents, assigns, subrogees,
servants, employees, financial advisors and attorneys of each of them from any
and all claims, actions, causes of action, choses in action and suits of every
kind and nature whatsoever, whether at law or in equity, under any facts or
legal theory that Borrower or any Guarantor ever had, now has, or hereafter can,
shall or may have, in any way related to, arising out of or based upon this
Agreement, the Credit Agreement or any Loan Document, except for any such claims
arising out of Agent's or any Lender's future willful breach of this Agreement.

4.       REPRESENTATIONS.

         In order to induce the Lenders to execute and deliver this Amendment,
the Borrower hereby represents to the Lenders that as of the date hereof, the
representations and warranties set forth in Article 5 of the Credit Agreement
are and shall be and remain true and correct (except that the representations
contained in Section 5.4 shall be deemed to refer to the most recent financial
statements of the Borrower delivered to the Lenders) and the Borrower is in
compliance with all of the terms and conditions of the Credit Agreement after
giving effect to the amendments and waivers contemplated hereby and no Unmatured
Default or Default has occurred and is continuing under the Credit Agreement or
shall result after giving effect to this Amendment.

5.       CONDITIONS PRECEDENT. This effectiveness of this Amendment shall be
         subject to the satisfaction of all of the following conditions:

         (a)      CERTAIN DOCUMENTS. Agent shall have received this Amendment
                  duly executed by the Borrower, Guarantors and the Lenders.

         (b)      NO DEFAULT. After giving effect to this Amendment and the
waivers contained herein, no Unmatured Default or Default shall have occurred
and be continuing or will result

                                       14
<PAGE>

from the execution and delivery of, or the performance by Borrower of any of its
obligations under this Amendment.

6.       MISCELLANEOUS.

         (a) This Amendment shall become effective upon the execution and
delivery hereof to the Agent by the Borrower and the Lenders and the
satisfaction of the conditions precedent set forth in Section 4 hereof.

         (b) Except as specifically amended herein, the Credit Agreement,
Guaranties and Collateral Documents shall continue in full force and effect
in accordance with its original terms. Reference to this specific Amendment
need not be made in any note, document, letter, certificate, the Credit
Agreement itself, any Guaranty, any Collateral Documents, the Notes, any
other Loan Document or any communication issued or made pursuant to or with
respect to the Credit Agreement, any Guaranty or any Collateral Document any
reference in any of such to the Credit Agreement, any Guaranty or any
Collateral Document being sufficient to refer to the same as amended hereby.

         (c) The Borrower agrees to pay on demand all costs and expenses of
or incurred by the Agent in connection with the negotiation, preparation,
execution and delivery of this Amendment, including the reasonable fees and
expenses of counsel for the Agent.

         (d) This Amendment may be executed in any number of counterparts,
and by the different parties on different counterparts, all of which taken
together shall constitute one and the same agreement. Any of the parties
hereto may execute this Amendment by signing any such counterpart and each of
such counterparts shall for all purposes be deemed to be an original. This
Amendment shall be governed by the internal laws of the State of Illinois.

    [remainder of this page intentionally left blank; signature page follows]

                                       15
<PAGE>

IN WITNESS WHEREOF, this Amendment has been duly executed by each of the
undersigned as of the day and year first set forth above.

                   ALTERNATIVE RESOURCES CORPORATION

                   By:_____________________________________
                   Name:___________________________________
                   Its:____________________________________

                   ARC SOLUTIONS, INC.
                   (formerly known as CGI Systems, Inc.)

                   By:_____________________________________
                   Name:___________________________________
                   Its:____________________________________

                   ARC SERVICE, INC.

                   By:_____________________________________
                   Name:___________________________________
                   Its:____________________________________

                   WRITERS, INC.

                   By:_____________________________________
                   Name:___________________________________
                   Its:____________________________________

                   ARC MIDHOLDING, INC.
                   (formerly known as CGI Corp.)

                   By:_____________________________________
                   Name:___________________________________
                   Its:____________________________________

                                       16
<PAGE>

                    AMERICAN NATIONAL BANK AND TRUST
                      COMPANY OF CHICAGO, as Agent and
                      individually as a Lender

                    By:____________________________________
                    Name:__________________________________
                    Its:___________________________________

                    MELLON BANK, N.A.

                    By:____________________________________
                    Name:__________________________________
                    Its:___________________________________

                    HARRIS TRUST AND SAVINGS BANK

                    By:____________________________________
                    Name:__________________________________
                    Its:___________________________________

                    FLEET NATIONAL BANK

                    By:____________________________________
                    Name:__________________________________
                    Its:___________________________________

                    NATIONAL CITY BANK

                    By:____________________________________
                    Name:__________________________________
                    Its:___________________________________

                                     17

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