ECOLAB INC. — Director's Dealing 2011

May 6, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC (ECL)
CIK: 0000031462
Period of Report: 2011-05-04

Reporting Person: Temple Greg E (EVP & Chief Supply Chain Offc.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-04	Common Stock	A	26720	$0.00	Acquired	26720	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-04	Employee Stock Option (Right to Buy)	$52.045	A	30500	Acquired	2021-05-04	Common Stock (30500)	Direct

Footnotes

F1: The option will be exercisable, on a cumulative basis, as to one-third of the option 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 shares on the third anniversary of the date of grant.