ECOLAB INC. — Director's Dealing 2003

Jul 29, 2003

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC (ECL)
CIK: 0000031462
Period of Report: 2003-07-29

Reporting Person: BILLER LESLIE S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2003-07-25	Common Stock	A	7020	$17.745	Acquired	43455.98	Direct
2003-07-25	Common Stock	F	5003	$24.895	Disposed	38452.98	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2003-07-25	Director Stock Option (Right to Buy)	$17.745	M	7020	Disposed	2011-11-01	Common Stock (7020)	Direct
2003-07-25	Director Stock Option (Right to Buy)	$24.895	A	5003	Acquired	2011-11-01	Common Stock (5003)	Direct

Footnotes

F1: Reflects the reporting person's payment of the exercise price of a stock option issued in accordance with Rule 16b-3 by delivering shares of Ecolab Common Stock.

F2: This option was previously reported as covering 3,510 shares at an exercise price of $35.49/share, but has been adjusted to reflect a 2-for-1 stock split on June 6, 2003.