ECOLAB INC. — Director's Dealing 2011

Dec 14, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ECOLAB INC (ECL)
CIK: 0000031462
Period of Report: 2011-12-14

Reporting Person: MILLER JAMES A (ExVP & Pres. GlobalServ.&Spec.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-12-14	Common Stock	S	9000	$54.0449	Acquired	24776	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2768.501	Direct
Common Stock	1093.627	Indirect

Footnotes

F1: The indicated sale price of $54.0449 represents the weighted average purchase price for the range of prices received of $54.0436 to $54.07 per share. The reporting person undertakes to provide to Ecolab Inc., any security holder of Ecolab Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2: Number of UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) as of November 30, 2011. (The 1093.627 UNITS are the equivalent of approximtely 2,036 shares of the issuer's Common Stock.)