ECOLAB INC. — Director's Dealing 2016

May 6, 2016

SEC Form 4/A — Form 4/A

Issuer: ECOLAB INC. (ECL)
CIK: 0000031462
Period of Report: 2016-05-06

Reporting Person: GRUNDHOFER JERRY A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-06	Common Stock	S	15000	$116.5474	Disposed	62307	Direct

Footnotes

F1: This amendment is being filed to add the following statements with respect to the prices at which the reporting person's shares were sold: This transaction was executed in multiple trades at prices ranging from $116.37 to $116.92. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.