144/A
0001104659-24-114930
0001052192
XXXXXXXX
LIVE
0000031462
ECOLAB INC.
001-09328
1 Ecolab Place
Saint Paul
MN
55102
1-800-232-6522
Cascade Investment, L.L.C.
10% Stockholder
Common Stock
Morgan Stanley & Co. LLC
1999 Avenue of the Stars
Los Angeles
CA
90067
1230000
300000000.00
283161817
11/06/2024
NYSE
Common Stock
BofA Securities, Inc.
One Bryant Park
New York
NY
10036
1230000
300000000.00
283161817
11/06/2024
NYSE
Common Stock
Watermill Institutional Trading, LLC
111 Town Square
Suite 1520
Jersey City
NJ
07310
1230000
300000000.00
283161817
11/06/2024
NYSE
Common Stock
Liquidnet, Inc.
620 8th Avenue
20th Floor
New York
NY
10018
1230000
300000000.00
283161817
11/06/2024
NYSE
Common Stock
Luminex Trading & Analytics LLC
99 Summer Street
Suite 1700
Boston
MA
02210
1230000
300000000.00
283161817
11/06/2024
NYSE
Common Stock
Instinet, LLC (Blockcross/Instinet)
309 West 49th Street
New York
NY
10019
1230000
300000000.00
283161817
11/06/2024
NYSE
Common Stock
Goldman, Sachs & Co. LLC (Tradebook/GS)
200 West Street
New York
NY
10282
1230000
300000000.00
283161817
11/06/2024
NYSE
Common Stock
Virtu Americas LLC
1633 Broadway, 41st Floor
New York
NY
10019
1230000
300000000.00
283161817
11/06/2024
NYSE
Common Stock
Williams Trading LLC
450 Post Road East
Suite 120
Westport
CT
06880
1230000
300000000.00
283161817
11/06/2024
NYSE
Common Stock
Bernstein Institutional Services LLC
245 Park Ave
New York
NY
10167
1230000
300000000.00
283161817
11/06/2024
NYSE
Common Stock
Jones & Associates, Inc.
555 Saint Charles Drive
Suite #200
Thousand Oaks
CA
91360
1230000
300000000.00
283161817
11/06/2024
NYSE
Common Stock
J.P. Morgan Securities LLC
383 Madison Avenue
New York
NY
10179
1230000
300000000.00
283161817
11/06/2024
NYSE
Common Stock
08/03/2017
Open Market Purchases
Open Market
N
75500
08/08/2017
Cash
Common Stock
03/08/2018
Open Market Purchases
Open Market
N
1154500
03/12/2018
Cash
N
Cascade Investment, L.L.C.
2365 Carillon Point
Kirkland
WA
98033
Common Stock
10/31/2024
409136
101024638.48
Cascade Investment, L.L.C.
2365 Carillon Point
Kirkland
WA
98033
Common Stock
11/01/2024
322662
79053904.90
Cascade Investment, L.L.C.
2365 Carillon Point
Kirkland
WA
98033
Common Stock
11/04/2024
65015
15850370.93
Neither the filing of this Form 144 nor anything herein shall be construed as an admission that the seller is an affiliate of the issuer. It is intended that the 1,230,000 shares will be allocated between one or more of the brokers listed on this Form 144 above. The 1,154,500 shares proposed to be sold were acquired and paid for between 03-08-2018 and 03-19-2018. This amendment to the seller's Form 144, filed on 11-06-2024, is being filed to add additional brokers and does not update any other information therein.
11/19/2024
Cascade Investment, L.L.C. by /s/ Alan Heuberger, attorney-in-fact for Michael Larson, Business Manager