Document:

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                                                                    EXHIBIT 10.1

                                 PROMISSORY NOTE

$400,000                                                  Minneapolis, Minnesota
                                                                   July 26, 2002

FOR VALUE RECEIVED, Richard L. Marcantonio ("MAKER"), promises to pay to G&K
Services, Inc., a Minnesota corporation (the "COMPANY" or "HOLDER") at its
office at 5995 Opus Parkway, Suite 500, Minnetonka, Minnesota 55343, or at such
other place as the holder hereof may from time to time designate in writing, in
lawful money of the United States of America, the principal sum equal to Four
Hundred Thousand Dollars ($400,000) (the "PRINCIPAL SUM"), upon the terms and
subject to the conditions set forth herein.

No interest shall accrue on the unpaid Principal Sum during the term of this
Note.

      Subject to the forgiveness of certain amounts of the Principal Sum, as
provided below, the Principal Sum shall be payable in five (5) annual
installments, each in the amount set forth under the caption "Amount Payable" in
the table below, commencing on the one-year anniversary of the date hereof and
continuing on each of the next four (4) successive anniversaries thereof (each a
"PAYMENT DATE"). For so long as Maker continues to be employed by Holder, the
amount of the Principal Sum set forth under the caption "Amount Subject To
Forgiveness" in the table below shall be forgiven by Holder on the applicable
anniversary of the date hereof.

<TABLE>
<CAPTION>
                                                                Amount Subject
           Anniversary          Amount Payable ($)            to Forgiveness ($)
           -----------          ------------------            ------------------
<S>                             <C>                           <C>
            1st Year                  80,000                        40,000
            2nd Year                  80,000                        40,000
            3rd Year                  80,000                        40,000
            4th Year                  80,000                        40,000
            5th Year                  80,000                        40,000
</TABLE>

      In addition to any amounts forgiven pursuant to the terms hereof, the
amount payable by Maker to Holder on each Payment Date shall be further reduced
by an amount (the "GROSS-UP AMOUNT") equal to any federal, state and local
income imposed on Maker as a result of the forgiveness of portions of the
Principal Sum hereunder or the interest-free nature of this Note. For purposes
of determining the Gross-Up Amount, Maker shall be deemed to pay federal income
tax at the highest marginal rate of federal income taxation in the calendar year
of the applicable Payment Date and state and local income taxes at the highest
marginal rate of taxation in the state and locality of the Maker's residence in
the calendar year of the applicable Payment Date, net of the maximum reduction
in federal income taxes that may be obtained from the deduction of such state
and local taxes.

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      This Note may be prepaid in whole or in part at any time without payment
of any prepayment penalty or fee. Any prepayment shall not accelerate
forgiveness of the Amounts Subject to Forgiveness as detailed above.

      The Maker shall remain liable for the payment of this Note, and any other
charges payable hereunder, notwithstanding any extension or extensions of time
for payment or any indulgence of any kind that Holder may grant to Maker.

      The occurrence of either of the following events shall constitute an event
of default under this Note (each such event is hereinafter referred to as an
"EVENT OF DEFAULT"):

      (a)   Voluntary termination not for "Good Reason" (as defined in Maker's
            employment agreement with Holder) by Maker of his employment with
            Holder at any time prior to the five-year anniversary of the
            commencement of Maker's employment with Holder; or

      (b)   Termination for "Cause" (as defined in Maker's employment agreement
            with Holder) by Holder of Maker's employment with Holder at any time
            prior to the five-year anniversary of the commencement of Maker's
            employment with Holder.

      Upon the occurrence of an Event of Default, Holder may, at its sole and
absolute discretion declare the outstanding amount of the Principal Sum to be
immediately due and payable in full without demand. Upon the occurrence of an
Event of Default hereunder Holder may, at its sole and absolute discretion,
deduct any amounts then due hereunder from any money due or to become to Maker
from Holder.

      The Maker agrees to pay on demand the costs of collection, including,
without limitation, reasonable attorneys' fees incurred by Holder in collecting
or attempting to collect any amount under this Note that is not paid when due or
to enforce its rights under this Note. All such costs of collection shall bear
interest, payable on demand, from the date of payment thereof by Holder until
paid in full by Maker at the lesser of (i) the highest rate permitted by law or
(ii) eight (8%) percent.

      Holder shall not by any act of omission or commission be deemed to waive
any of its rights or remedies hereunder unless such waiver is in writing and
signed by an authorized officer of Holder and then only to the extent
specifically set forth therein. A waiver on one occasion shall not be construed
to be a continuing waiver of such right or remedy on any other occasion.

      Every person who is at any time liable for the payment of the debt
evidenced by this Note hereby waives presentment for payment, demand, notice of
nonpayment of this Note, protest and notice of protest, and the right to trial
by jury in any litigation arising out of, relating to, or connected with this
Note or with any instrument given as security herefor, and hereby agrees that
Holder may extend, without affecting their liability hereon, the time for
payment of any part of or the whole of the debt evidenced by this Note, at any
time, at the request of any other person or entity liable for said debt.

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      This Note is given and accepted as evidence of indebtedness only and not
in payment of or in satisfaction of any indebtedness or obligation.

      The form and essential validity of this Note shall be governed by the laws
of the State of Minnesota applicable to contracts made and to be performed
wholly within Minnesota, without giving effect to conflicts of laws principles.
All lawsuits and judicial proceedings regarding the interpretation of this Note,
any dispute arising hereunder or the collection of any amount due under this
Note shall be brought and heard in the District Court, State of Minnesota,
Fourth Judicial District, and Maker hereby consents to such jurisdiction. If any
portion of this Note is unenforceable, the remainder of this Note shall continue
in full force and effect.

      Time is of the essence with respect to all of Maker's obligations and
agreements under this Note.

      This Note and all the provisions, conditions, promises and covenants
hereof shall inure to the benefit of Holder, its successors and assigns, and
shall be binding upon the Maker, his personal representatives, heirs, successors
and assigns.

      This Note is not an employment contract for a definite term. This Note is
not intended to modify the at-will employment relationship between Maker and
Holder.

      IN WITNESS WHEREOF, the Maker has caused this Note to be signed on his
behalf on the day and year first above written.

                                                 /s/ Richard L. Marcantonio
                                                 -------------------------------
                                                 Richard L. Marcantonio

Subscribed and sworn to
before me this 26 day
of July, 2002.

/s/ Karla M. Gessell
-------------------------
Notary Public

                                            G&K SERVICES, INC.

                                            By:  /s/ Sally J. Bredehoft
                                            ------------------------------------
                                            Its  Vice President, Human Resources

                                       3<PAGE>
                                                                    EXHIBIT 10.2

                             STOCK PLEDGE AGREEMENT

      This STOCK PLEDGE AGREEMENT is made and entered into as of the 26th day of
July, 2002, by and between Richard L. Marcantonio, a resident of the State of
Minnesota (the "PLEDGOR") and G&K Services, Inc., a Minnesota corporation
("PLEDGEE").

                                  INTRODUCTION

      A.    PROMISSORY NOTE. Pledgor has issued a Promissory Note in the
original principal amount of Four Hundred Thousand Dollars ($400,000) (the
"PRINCIPAL SUM").

      B.    SECURITY. To induce Pledgee to enter into the transactions described
above, and as security for payments due under the Note, Pledgor has agreed to
pledge shares of Ecolab Inc., a Delaware corporation (the "Shares"), which
Shares have a value of at least 130% of the Principal Sum.

                                    AGREEMENT

      NOW, THEREFORE, in order to secure payment of all amounts due and owing
Pledgee under the Note (collectively, the "OBLIGATIONS"), and in consideration
of the facts recited above (which are a part of this Agreement) and the promises
set forth below, it is agreed:

      1.    PLEDGE. As collateral for the payment of the Obligations, Pledgor
hereby grants a security interest to Pledgee and deposits with Pledgee
(accompanied by a stock power in blank) the Shares (which Shares, as adjusted
from time to time as provided herein, shall hereinafter to be referred to as the
"PLEDGED STOCK"), and Pledgor agrees to perform the obligations set forth
herein. Pledgor hereby appoints Pledgee as attorney-in-fact to arrange for the
transfer of the Pledged Stock on the books of the Company into the name of
Pledgee if an Event of Default (as defined below) occurs as set forth herein.
The Pledged Stock shall be held and disposed of pursuant to the terms of this
Agreement.

      2.    FURTHER ASSURANCES. Pledgor agrees at any time, and from time to
time, to execute such other instruments as Pledgee may reasonably request to
establish, maintain and perfect the security interest in the Pledged Stock
conveyed by this Agreement.

      3.    RIGHTS OF PLEDGOR. Prior to the occurrence of an Event of Default:

            (a)   Pledgor shall have the right to exercise all voting and other
      powers pertaining to the Pledged Stock for all purposes; and

            (b)   All dividends or other distributions with respect to the
      Pledged Stock shall be payable to Pledgor; provided, however, that
      following an Event of Default, all dividends or other distributions with
      respect to the Pledged Stock shall be payable to Pledgee.

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      4.    REPRESENTATIONS AND WARRANTIES. Pledgor represents and warrants as
follows:

            (a)   Pledgor will not sell or otherwise dispose of any Pledged
      Stock or any interest therein without the prior written consent of the
      Pledgee; and

            (b)   Throughout the term of this Agreement, Pledgor will keep the
      Pledged Stock free and clear of all security interests, liens, and
      encumbrances, except the security interest granted hereunder.

      5.    ADJUSTMENT. If during the term of this Agreement any share dividend,
reclassification, readjustment or other change is declared or made in the
capital structure of the Company, then all new, substituted, and additional
shares, or other securities issued by reason of original issuance of the Pledged
Stock shall be subject to the terms of this Agreement in the same manner as, and
as a part of, the Pledged Stock.

      6.    RELEASE OF SHARES; TERMINATION. On each Payment Date (as such term
is defined in the Note), Pledgee agrees to release Shares of Pledged Stock to
the extent that the remaining Shares have an aggregate value of 130% of the
Obligations, and Pledgee shall transfer to Pledgor such released Shares and
deliver any assignments separate from certificate for cancellation relating
thereto. Upon full performance of all of the Obligations, Pledgee shall transfer
to Pledgor all of the Pledged Stock and deliver any assignments separate from
certificate for cancellation, and all rights received by Pledgee under this
Agreement shall terminate.

      7.    EVENTS OF DEFAULT. An event of default under this Agreement ("EVENT
OF DEFAULT") shall occur when an Event of Default occurs under the Note, and
remains uncured for thirty (30) days after written notice of such default is
given by Pledgee to Pledgor.

      8.    REMEDIES. Upon the occurrence of an Event of Default and at any time
thereafter, Pledgee may exercise any one or more of the following rights or
remedies:

            (a)   exercise all voting rights, rights to receive dividends and
      other distributions, and other rights as a holder of the Pledged Stock;

            (b)   exercise and enforce any or all rights and remedies available
      upon default to a secured party under the Uniform Commercial Code,
      including (i) the right to offer and sell the Pledged Stock privately to
      purchasers who will agree to take the Pledged Stock for investment and not
      with a view to distribution, and who will agree to the imposition of
      restrictive legends on any certificates representing the Pledged Stock,
      and (ii) the right to arrange for a sale that would otherwise qualify as
      exempt from registration under the Securities Act of 1933, as amended;
      and, if notice to Pledgor of any intended disposition of the Pledged Stock
      or any other intended action is required by law in a particular instance,
      such notice shall be deemed commercially reasonable if given at least
      twenty (20) calendar days prior to the date of intended disposition or
      other action; and

            (c)   exercise or enforce any or all other rights or remedies
      available to Pledgee by law or agreement against the Pledged Stock,
      against Pledgor or against any other person or property.

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<PAGE>
      9.    APPLICATION OF PROCEEDS. The proceeds of any sale of all or a part
of the Pledged Stock shall be applied as follows:

            (a)   First, to the payment of all costs and expenses incurred by
      Pledgee in enforcing its rights under this Agreement, including without
      limitation, the reasonable fees of attorneys or other agents employed by
      Pledgee in connection therewith;

            (b)   Second, to the payment of all of the Obligations then due and
      owing; and

            (c)   Third, any surplus remaining after application of the proceeds
      pursuant to subparagraphs (a) and (b) above shall be paid to Pledgor or
      the successors or assigns thereof.

Pledgor shall remain liable to Pledgee for any deficiency.

      10.   MISCELLANEOUS. The parties agree as follows:

            (a)   No waiver of any of the provisions or conditions of this
      Agreement shall be effective unless such waiver is in writing and signed
      by the party claimed to have given, or consented to, such waiver.

            (b)   No failure on the part of Pledgee to exercise, and no delay on
      the part of Pledgee in exercising, any right, power, or remedy pursuant to
      this Agreement shall operate as a waiver thereof, nor shall any single or
      partial exercise by Pledgee of any right, power, or remedy hereunder
      preclude any other or further exercise thereof or the exercise of any
      other right, power, or remedy. The remedies herein provided are cumulative
      and shall not be exclusive of any other remedies provided by law or
      agreement.

            (c)   The terms and conditions of this Agreement shall inure to the
      benefit of, and be binding upon, the respective legal representatives,
      successors and permitted assigns of the parties; provided, however, that
      neither party may assign this Agreement or its obligations, duties, or
      liabilities hereunder without the express prior written consent of the
      other party.

            (d)   This Agreement is delivered and is intended to be performed in
      the State of Minnesota and should be construed and enforced in accordance
      with the laws of such State, without regard to conflict of law principles.

            (e)   All notices, requests, demands, and other communications
      hereunder shall be in writing, and shall be deemed to have been duly given
      three days after mailed if sent by registered mail, return receipt
      requested, postage prepaid, to the parties at the following addresses (or
      to any other address given to the other party pursuant to the provisions
      of this subsection):

            If to Pledgor:                    If to Pledgee:

            ______________________            G&K Services, Inc.
            ______________________            5995 Opus Parkway, Suite 5500
            ______________________            Minnetonka, MN  55343
            ______________________            Attention: Chief Financial Officer

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            (f)   This Agreement may be executed in any number of counterparts,
      each of which shall be deemed an original, but all of which together shall
      constitute one and the same instrument.

            (g)   This Agreement may not be amended except by written agreement
      executed by all parties hereto.

            (h)   If any provision or application of this Agreement is held
      unlawful or unenforceable in any respect, such illegality or
      unenforceability shall not affect other provisions or applications which
      can be given effect, and this Agreement shall be construed as if the
      unlawful or unenforceable provision or application had never been
      contained herein or prescribed hereby.

            (i)   All representations and warranties contained in this Agreement
      shall survive the execution, delivery, and performance of this Agreement
      and any other documents or instruments executed or delivered in connection
      with or pursuant to any of the foregoing.

      IN WITNESS WHEREOF, the parties have executed this Agreement as of the day
and year first above written.

                                       PLEDGOR:

                                       /s/ Richard L. Marcantonio
                                       -----------------------------------------
                                       Richard L. Marcantonio

                                       PLEDGEE:

                                       G&K SERVICES, INC.

                                       By:     /s/ Sally J. Bredehoft
                                       -----------------------------------------
                                       Name:   Sally J. Bredehoft
                                       -----------------------------------------
                                       Its:    Vice President, Human Resources
                                       -----------------------------------------

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