SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Hickey Michael A
(Last) (First) (Middle)
370 WABASHA STREET NORTH
(Street)
SAINT PAUL MN 55102
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
ECOLAB INC [ ECL ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
SVP - Global Bus. Development
3. Date of Earliest Transaction (Month/Day/Year)
11/30/2007
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 11/30/2007 M 5,000 A $14.859 15,120.293 D
Common Stock 11/30/2007 S 5,000 D $47.5 10,120.293 D
Common Stock 11/30/2007 M 3,000 A $19.922 13,120.293 D
Common Stock 11/30/2007 S 3,000 D $47.5 10,120.293 D
Common Stock 12/03/2007 M 2,800 A $19.922 12,920.293 D
Common Stock 12/03/2007 M 14,000 A $19.266 26,920.293 D
Common Stock 12/03/2007 S 15,824 D $48 11,131.302(1) D
Common Stock 3,235.444(2) I By Ecolab Savings Plan
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (Right to Buy) $14.859 11/30/2007 M 5,000 08/14/1999(3) 08/14/2008 Common Stock 5,000 $0 0 D
Employee Stock Option (Right to Buy) $19.922 11/30/2007 M 3,000 08/13/2000(3) 08/13/2009 Common Stock 3,000 $0 2,800 D
Employee Stock Option (Right to Buy) $19.922 12/03/2007 M 2,800 08/13/2000(3) 08/13/2009 Common Stock 2,800 $0 0 D
Employee Stock Option (Right to Buy) $19.266 12/03/2007 M 14,000 08/18/2001(4) 08/18/2010 Common Stock 14,000 $0 0 D
Explanation of Responses:
1. Includes 8.766 shares acquired on 01/19/07, 8.896 shares acquired on April 19, 2007, 8.919 shares acquired on July 19, 2007 and 8.428 shares acquired by reporting person on October 18, 2007 by dividend reinvestment under the Dividend Reinvestment Plan for shareholders of Ecolab sponsored by Computershare Trust Company, Inc.
2. Number of UNITS owned by the reporting person in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of October 31, 2007. Includes 171.533 UNITS acquired since the reporting person's last report. (The 3,235.444 UNITS are equivalent to approximately 6,040 SHARES of the issuer's Common Stock.)
3. Options granted under the Ecolab Inc. 1997 Stock Incentive Plan. Each option became exercisable, on a cumulative basis, as to 25% of the total shares (excluding any fractional portion less than one share), on each of the first, second and third anniversaries of the date of grant and as to the remaining option shares on the fourth anniversary of the date of grant.
4. Option granted under the Ecolab Inc. 1997 Stock Incentive Plan. The option became exercisable, on a cumulative basis, as to one-third of the total shares (excluding any fractional portion less than one share), on each of the first and second anniversaries of the date of grant and as to the remaining option shares on the third anniversary of the date of grant.
/s/ David F. Duvick, as Attorney-in-fact for Michael A. Hickey 12/04/2007
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.