Exhibit 24.1
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, That the undersigned, a Director of Ecolab Inc., a Delaware corporation, does hereby make, nominate and appoint each of DOUGLAS M. BAKER, LAWRENCE T. BELL and SARAH Z. ERICKSON, signing singly, to be my attorney-in-fact, with full power and authority to sign his or her name to a Registration Statement on Form S-8 relating to the registration of 1,000,000 shares of Ecolab Inc. Common Stock, par value $1.00 per share, plus Preferred Stock Purchase Rights associated with the Common Stock, for the Ecolab Stock Purchase Plan, and any and all amendments thereto (including without limitation post-effective amendments to register or de-register shares), provided that the Registration Statement and any amendments thereto, in final form, be approved by said attorney-in-fact; and his or her name, when thus signed, shall have the same force and effect as though I had manually signed said document or documents.
IN WITNESS WHEREOF, I have hereunto affixed my signature this 2nd day of November, 2007.
| /s/Les S. Biller | |
| Les S. Biller |
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| /s/Richard U. De Schutter | |
| Richard U. De Schutter |
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| /s/Jerry A. Grundhofer | |
| Jerry A. Grundhofer |
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| /s/Stefan Hamelmann | |
| Stefan Hamelmann |
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| /s/Joel W. Johnson | |
| Joel W. Johnson |
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| /s/Jerry W. Levin | |
| Jerry W. Levin |
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| /s/Robert L. Lumpkins | |
| Robert L. Lumpkins |
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| /s/Beth M. Pritchard | |
| Beth M. Pritchard |
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| /s/Kasper Rorsted | |
| Kasper Rorsted |
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| /s/Hans Van Bylen | |
| Hans Van Bylen |
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| /s/John J. Zillmer | |
| John J. Zillmer |
