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").
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.
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