X0306 4 2014-08-26 0 0000031462 ECOLAB INC ECL 0001189430 LEVIN JERRY W J. W. LEVIN PARTNERS, LLC 9 WEST 57TH STREET, 26TH FLOOR NEW YORK NY 10019 1 0 0 0 Common Stock 2014-08-26 4 M 0 3200 84.265 A 32760.13 D Common Stock 2014-08-26 4 F 0 2345 114.965 D 30415.13 D Stock Option (Right to Buy) 84.265 2014-08-26 4 M 0 3200 0.00 D 2013-08-02 2023-05-02 Common Stock 3200 0 D Reflects the reporting person's payment of the exercise price for a stock option issued in accordance with Rule 16b-3 by delivering or withholding shares of Ecolab common stock. The option became exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its May 2, 2013 date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant. /s/David F. Duvick, Attorney-in-Fact for Jerry W. Levin 2014-08-27