ECOLAB INC. — Director's Dealing 2017

Sep 19, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC. (ECL)
CIK: 0000031462
Period of Report: 2017-09-15

Reporting Person: Wyant Jill S (EVP & Pres - Global F&B, H, LS)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-09-15	Common Stock	M	17500	$42.03	Acquired	27710	Direct
2017-09-15	Common Stock	F	11280	$131.015	Disposed	16430	Direct
2017-09-15	Common Stock	M	7800	$45.665	Acquired	24230	Direct
2017-09-15	Common Stock	F	5167	$131.015	Disposed	19063	Direct
2017-09-18	Common Stock	G	1437	—	Disposed	17626	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-09-15	Employee Stock Option (Right to Buy)	$42.03	M	17500	Disposed	2019-08-06	Common Stock (17500)	Direct
2017-09-15	Employee Stock Option (Right to Buy)	$45.665	M	7800	Disposed	2019-12-02	Common Stock (7800)	Direct

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: 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 shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary date of the date of grant.