ECOLAB INC. — Director's Dealing 2015

Jun 12, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC (ECL)
CIK: 0000031462
Period of Report: 2015-06-10

Reporting Person: Mulhere Timothy P (EVP & Regions President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-06-10	Common Stock	M	12500	$45.24	Acquired	25544.692	Direct
2015-06-10	Common Stock	F	8210	$114.93	Disposed	17336.227	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-06-10	Employee Stock Option (Right to Buy)	$45.24	M	12500	Disposed	2016-12-06	Common Stock (12500)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1735.970	Indirect

Footnotes

F1: Reflects the reporting person's payment of the exercise price and withholding taxes for a stock option issued in accordance with Rule 16b-3 by delivering or withholding shares of Ecolab common stock.

F2: Includes 1.535 shares acquired by the reporting person on April 16, 2015, by a dividend reinvestment feature under the Ecolab Stock Purchase Plan.

F3: Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of May 31, 2015. Includes 17.334 UNITS acquired since the reporting person's last report. (The 1,735.970 UNITS are the equivalent of approximately 3,203 SHARES of the issuer's Common Stock.)

F4: Option granted under the Ecolab Inc. 2005 Stock Incentive Plan on December 6, 2006. The option became exercisable, on a cumulative basis, as to one-third of the option shares (excluding any fractional portion less than one share), on each of the first and second anniversaries of the date of grant and as to the remaining option shares on the third anniversary of the date of grant.