ECOLAB INC. — Director's Dealing 2010

Feb 18, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC (ECL)
CIK: 0000031462
Period of Report: 2010-02-16

Reporting Person: GRUNDHOFER JERRY A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-16	Common Stock	M	24000	$20.2344	Acquired	72171.18	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-16	Stock Option (Right to Buy)	$20.2344	M	24000	Disposed	2010-05-12	Common Stock (24000)	Direct

Footnotes

F1: The exercise price for the stock option has been halved and the number of shares subject to the option doubled to reflect a 2-for-1 stock split paid June 6, 2003 subsequent to the original reporting of the option.