ECOLAB INC. — Director's Dealing 2010

Apr 20, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC (ECL)
CIK: 0000031462
Period of Report: 2010-04-19

Reporting Person: DE SCHUTTER RICHARD U (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-04-19	Common Stock	M	1950	$29.29	Acquired	11163.92	Direct
2010-04-19	Common Stock	F	1263	$45.22	Disposed	9900.92	Direct
2010-04-19	Common Stock	M	1700	$29.29	Acquired	11600.92	Direct
2010-04-19	Common Stock	F	1101	$45.22	Disposed	10499.92	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-05-07	Stock Option (Right to Buy)	$29.29	M	1950	Disposed	2014-05-07	Common Stock (1950)	Direct
2010-04-19	Stock Option (Right to Buy)	$45.22	A	1263	Acquired	2014-05-07	Common Stock (1263)	Direct
2010-04-19	Stock Option (Right to Buy)	$29.29	M	1700	Disposed	2014-05-17	Common Stock (1700)	Direct
2010-04-19	Stock Option (Right to Buy)	$45.22	A	1101	Acquired	2014-05-07	Common Stock (1101)	Direct

Footnotes

F1: Reflects the reporting person's payment of the exercise price of the stock options issued in accordance with Rule 16b-3 in each case by delivering shares of Ecolab common stock.