CORRECTING and REPLACING Ecolab Schedules Webcast of Industry Conference for May 6

The time of the webcast should read: 11:55 am Eastern Time (instead of 11:55 pm Eastern Time).

The corrected release reads:

ECOLAB SCHEDULES WEBCAST OF INDUSTRY CONFERENCE FOR MAY 6

Ecolab Inc. Chairman of the Board and Chief Executive Officer, Douglas M. Baker, Jr., will address financial analysts at Robert W. Baird’s 2014 Growth Stock Conference in Chicago on Tuesday, May 6. Ecolab will host a live webcast of Mr. Baker’s presentation. Details for the webcast are as follows:

To access the webcast, go to the Investor Calendar section of Ecolab’s web site at www.ecolab.com/investor and click on the webcast details. Listening to the webcast requires Internet access and the Windows Media Player or other compatible streaming media player.

A trusted partner at more than one million customer locations, Ecolab (ECL) is the global leader in water, hygiene and energy technologies and services that protect people and vital resources. With 2013 sales of $13 billion and 45,000 associates, Ecolab delivers comprehensive solutions and on-site service to ensure safe food, maintain clean environments, optimize water and energy use and improve operational efficiencies for customers in the food, healthcare, energy, hospitality and industrial markets in more than 170 countries around the world. For more Ecolab news and information, visit www.ecolab.com.

(ECL-C)