ECOLAB INC. — Director's Dealing 2006

Apr 4, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC (ECL)
CIK: 0000031462
Period of Report: 2006-03-31

Reporting Person: PRITCHARD BETH M (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-03-31	Common Stock	A	194.83	—	Acquired	6244.18	Direct
2006-03-31	Common Stock	A	389.66	$38.495	Acquired	6643.80	Direct

Footnotes

F1: Includes 9.96 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan. The end of period holdings also includes 2,000 shares which were acquired by the reporting person on February 14, 2006 and reported on the reporting person's Form 4 filed on February 16, 2006 as indirect holdings. Subsequent to filing, the shares were determined to be directly held by the reporting person and have been reclassified as such on this Form 4 accordingly.