FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Taylor Stephen M   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) EVP and Pres. - Global Energy (Last) (First) (Middle) 1601 WEST DIEHL ROAD 3. Date of Earliest Transaction (Month/Day/Year) 12/16/2013 (Street) NAPERVILLE, IL 60563 4. If Amendment, Date 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 (City) (State) (Zip) 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 12/16/2013   M   5,594 A $ 26.2 23,109 D   Common Stock 12/16/2013   F(1)   2,799 D $ 102.1 20,310 D   Common Stock 12/16/2013   M   5,261 A $ 35.34 25,571 D   Commn Stock 12/16/2013   F(1)   2,842 D $ 102.1 22,729 D   Common Stock 12/16/2013   M   13,297 A $ 30.1 36,026 D   Common Stock 12/16/2013   F(1)   6,979 D $ 102.1 29,047 D   Common Stock 12/16/2013   M   13,682 A $ 17.55 42,729 D   Common Stock 12/16/2013   F(1)   4,135 D $ 102.1 38,594 D   Common Stock 12/16/2013   M   7,776 A $ 32.35 46,370 D   Common Stock 12/16/2013   F(1)   2,463 D $ 102.1 43,907 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities (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 of Derivative Security: 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)

$ 26.2

12/16/2013

M

5,594

12/01/2011(2)

06/28/2016

Common Stock

5,594

$ 0

0

D

Employee Stock Option (Right to Buy)

$ 35.34

12/16/2013

M

5,261

12/01/2011(2)

02/15/2017

Common Stock

5,261

$ 0

0

D

Employee Stock Option (Right to Buy)

$ 30.1

12/16/2013

M

13,297

12/01/2011(2)

02/14/2018

Common Stock

13,297

$ 0

0

D

Employee Stock Option (Right to Buy)

$ 17.55

12/16/2013

M

13,682

12/01/2011(2)

02/12/2019

Common Stock

13,682

$ 0

0

D

Employee Stock Option (Right to Buy)

$ 32.35

12/16/2013

M

7,776

12/01/2011(2)

02/09/2020

Common Stock

7,776

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Taylor Stephen M 1601 WEST DIEHL ROAD NAPERVILLE, IL 60563			EVP and Pres. - Global Energy

Signatures

David F. Duvick, as Attorney-in-Fact for Stephen M. Taylor		12/18/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Reflects the reporting person's payment of the exercise price and withholding taxes for a stock option issued in accordance with Rule 16b-3 by delivering or withholding shares of Ecolab common stock.
(2)	These options originally represented options to purchase shares of common stock of Nalco Holding Company ("Nalco") and had a variety of vesting schedules. The vesting of these options was accelerated pursuant to Mr. Taylor's Change of Control Agreement with Nalco upon closing of the merger on December 1, 2011 by and among Ecolab Inc., Sustainability Partners Corporation and Nalco. The options were converted into options to purchase shares of Ecolab Inc. common stock pursuant to the Agreement and Plan of Merger dated as of July 19, 2011 among Ecolab Inc., Sustainability Partners Corporation and Nalco.

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