ECOLAB INC. — Director's Dealing 2012

Jan 18, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC (ECL)
CIK: 0000031462
Period of Report: 2012-01-13

Reporting Person: JOHNSON JOEL W (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-01-13	Common Stock	M	3590	$42.905	Acquired	98661.96	Direct
2012-01-13	Common Stock	F	2584	$59.59	Disposed	96077.96	Direct
2012-01-13	Common Stock	M	2152	$42.905	Acquired	98229.96	Direct
2012-01-13	Common Stock	F	1549	$59.59	Disposed	96680.96	Direct
2012-01-13	Common Stock	M	1928	$42.905	Acquired	98608.96	Direct
2012-01-13	Common Stock	F	1388	$59.59	Disposed	97220.96	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-01-13	Stock Option (Right to Buy)	$42.905	M	3590	Disposed	2012-05-10	Common Stock (3590)	Direct
2012-01-13	Stock Option (Right to Buy)	$42.905	M	2152	Disposed	2012-05-10	Common Stock (2152)	Direct
2012-01-13	Stock Option (Right to Buy)	$42.905	M	1928	Disposed	2012-11-01	Common Stock (1928)	Direct

Footnotes

F1: 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 withholding shares of Ecolab Common Stock.