X0101 42003-05-130 0000031462 ECOLAB INC ECL0001198773 SPOONER JOHN P 0100President of InternationalCommon Stock2003-05-134M03550049.00A55901DCommon Stock2003-05-134S03550050.25D20401DEmployee Stock Option (Right to Buy)49.002003-05-134Mfalse355000D2001-02-202003-05-20Common Stock3550070000DAdditionally, reporting person indirectly holds 2,449.489 UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of April 30, 2003. Includes 6.887 units acquired since the reporting person's last report.Represents a special, premium-priced option (the exercise price is approximately 75% greater than the market price of the issuer's Common Stock on the date of grant) granted to reporting person on February 20, 1998 in conjunction with the adoption by the issuer of a five-year strategic plan targeting aggressive growth goals ("Premium-Priced Options"). As of the date hereof, an aggregate of 628,900 Premium-Priced Options granted to executives of the issuer remain exercisable and outstanding. All Premium-Priced Options expire on May 20, 2003. /s/ Dave Duvick, Attorney-in-Fact for J.P. Spooner2003-05-14