ECOLAB INC. — Director's Dealing 2007

May 8, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC (ECL)
CIK: 0000031462
Period of Report: 2007-05-04

Reporting Person: PRITCHARD BETH M (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-04	Stock Option (Right to Buy)	$42.905	A	4300	Acquired	2017-05-04	Common Stock (4300)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	8611.85	Direct