ECL

SEC source: 0001415889-22-000754 · form4-01252022_020159.xml · nonDerivative · entry 2

ZILLMER JOHN J · CIK 0001188262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,519.32

F1 · kind: Reflects the reporting person's payment of the exercise price for a stock option issued in accordance with Rule 16b-3 by delivering or withholding shares of Ecolab common stock.

SEC source: 0001415889-22-000754 · form4-01252022_020159.xml · nonDerivative · entry 1

ZILLMER JOHN J · CIK 0001188262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,742.32

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001415889-22-000249 · form4-01042022_020136.xml · nonDerivative · entry 1

ZILLMER JOHN J · CIK 0001188262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,942.32

F1 · balance_after: Includes 27.23 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-22-000240 · form4-01042022_020149.xml · nonDerivative · entry 1

REICH VICTORIA · CIK 0001217635 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,566.12

F1 · balance_after: Includes 44.06 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-22-000231 · form4-01042022_020150.xml · nonDerivative · entry 2

NOWELL LIONEL L III · CIK 0001180436 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,668.04

F1 · balance_after: Includes 6.81 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-22-000231 · form4-01042022_020150.xml · nonDerivative · entry 1

NOWELL LIONEL L III · CIK 0001180436 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,533.18

SEC source: 0001415889-22-000234 · form4-01042022_020134.xml · nonDerivative · entry 1

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,828.24

F1 · balance_after: Includes 12.08 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-22-000229 · form4-01042022_020118.xml · nonDerivative · entry 1

McKibben Tracy B · CIK 0001584119 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,083.31

F1 · balance_after: Includes 10.47 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-22-000226 · form4-01042022_020110.xml · nonDerivative · entry 1

MacLennan David · CIK 0001498535 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,965.46

F1 · balance_after: Includes 8.89 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-22-000223 · form4-01042022_020132.xml · nonDerivative · entry 1

LARSON MICHAEL · CIK 0001098825 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,518.16

F1 · balance_after: Includes 15.74 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-22-000221 · form4-01042022_020114.xml · nonDerivative · entry 2

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,671.74

F1 · balance_after: Includes 45.91 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-22-000221 · form4-01042022_020114.xml · nonDerivative · entry 1

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,508.45

SEC source: 0001415889-22-000217 · form4-01042022_010105.xml · nonDerivative · entry 1

ETTINGER JEFFREY M · CIK 0001192933 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,942.66

F1 · balance_after: Includes 15.80 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-22-000210 · form4-01042022_010139.xml · nonDerivative · entry 2

Ballard Shari L · CIK 0001311220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,668.04

F1 · balance_after: Includes 6.81 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-22-000210 · form4-01042022_010139.xml · nonDerivative · entry 1

Ballard Shari L · CIK 0001311220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,533.18

SEC source: 0001415889-22-000214 · form4-01042022_010116.xml · nonDerivative · entry 2

BECK BARBARA · CIK 0001184925 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,514.93

F1 · balance_after: Includes 60.69 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-22-000214 · form4-01042022_010116.xml · nonDerivative · entry 1

BECK BARBARA · CIK 0001184925 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,320.85

SEC source: 0001415889-22-000752 · form5-01252022_020107.xml · nonDerivative · entry 2

SCHMECHEL DANIEL J · CIK 0001198768 · EVP GROWTH AND TRANSFORMATION

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,850.89

F1 · balance_after: The total includes 1.046 shares acquired on January 20, 2022 by dividend reinvestment under the Dividend Reinvestment Plan for shareholders of Ecolab sponsored by Computershare Trust Company, N.A.

SEC source: 0001415889-22-000432 · form5-01062022_010130.xml · nonDerivative · entry 1

BAKER DOUGLAS M JR · CIK 0001198753 · Director · EXEC CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 597,611

SEC source: 0001415889-22-000752 · form5-01252022_020107.xml · nonDerivative · entry 3

SCHMECHEL DANIEL J · CIK 0001198768 · EVP GROWTH AND TRANSFORMATION

10b5-1 filing: Not disclosed

Ownership: Indirect · By DJS 2021 Irrevocable Family Trust

Disclosed balance after: 50,000

SEC source: 0001415889-22-000752 · form5-01252022_020107.xml · nonDerivative · entry 1

SCHMECHEL DANIEL J · CIK 0001198768 · EVP GROWTH AND TRANSFORMATION

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,300.89

SEC source: 0001415889-21-005698 · form4-12032021_021245.xml · derivative · entry 2

Simermeyer Elizabeth A · CIK 0001740096 · EVP & PRES - HC & LIFE SCI

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,058

Underlying: Common Stock · 14,058 shares

Expires 2031-12-01

F1 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005696 · form4-12032021_021238.xml · derivative · entry 5

SCHMECHEL DANIEL J · CIK 0001198768 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,597

Underlying: Common Stock · 23,597 shares

Expires 2031-12-01

F3 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005686 · form4-12032021_021213.xml · derivative · entry 3

Mulhere Timothy P · CIK 0001540754 · EVP & PRES - GLOBAL INST

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,058

Underlying: Common Stock · 14,058 shares

Expires 2031-12-01

F2 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005691 · form4-12032021_021205.xml · derivative · entry 2

Peterson Gail · CIK 0001837080 · SVP - GLOBAL MKTG & COMMS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,025

Underlying: Common Stock · 6,025 shares

Expires 2031-12-01

F1 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005684 · form4-12032021_021244.xml · derivative · entry 2

McCormick Michael C. · CIK 0001699917 · EVP, GC & SECRETARY

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,045

Underlying: Common Stock · 11,045 shares

Expires 2031-12-01

F1 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005682 · form4-12032021_021226.xml · derivative · entry 2

Marsh Laurie M · CIK 0001479289 · EVP - HUMAN RESOURCES

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,037

Underlying: Common Stock · 9,037 shares

Expires 2031-12-01

F1 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005680 · form4-12032021_011211.xml · derivative · entry 3

Kirkland Scott D · CIK 0001779234 · SVP & CORPORATE CONTROLLER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,572

Underlying: Common Stock · 17,572 shares

Expires 2031-12-01

F2 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005678 · form4-12032021_011237.xml · derivative · entry 2

Duijser Machiel · CIK 0001801537 · EVP & CSCO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,050

Underlying: Common Stock · 12,050 shares

Expires 2031-12-01

F1 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005673 · form4-12032021_011259.xml · derivative · entry 3

Busch Angela M · CIK 0001740094 · EVP - CORP STRAT & BUS DEV

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,037

Underlying: Common Stock · 9,037 shares

Expires 2031-12-01

F2 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005676 · form4-12032021_011244.xml · derivative · entry 2

De Boo Alexander A. · CIK 0001844358 · EVP & PRES - GLOBAL MARKETS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,523

Underlying: Common Stock · 5,523 shares

Expires 2031-12-01

F1 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005668 · form4-12032021_011254.xml · derivative · entry 2

Brown Darrell R · CIK 0001727287 · EVP & PRES - GLOBAL INDUSTRIAL

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,058

Underlying: Common Stock · 14,058 shares

Expires 2031-12-01

F1 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005663 · form4-12032021_011214.xml · derivative · entry 3

Berger Larry L · CIK 0001433832 · EVP & CHIEF TECHNICAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,041

Underlying: Common Stock · 10,041 shares

Expires 2031-12-01

F2 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005660 · form4-12032021_011253.xml · derivative · entry 3

Beck Christophe · CIK 0001471500 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,248

Underlying: Common Stock · 60,248 shares

Expires 2031-12-01

F2 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. The option becomes 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005617 · form4-12012021_011252.xml · derivative · entry 3

McCormick Michael C. · CIK 0001699917 · EVP, GC & SECRETARY

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,819 shares

Expires 2027-12-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005617 · form4-12012021_011252.xml · nonDerivative · entry 2

McCormick Michael C. · CIK 0001699917 · EVP, GC & SECRETARY

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,821.162

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $226.932 to $227.780, inclusive. 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 range set forth in this footnote.

SEC source: 0001415889-21-005617 · form4-12012021_011252.xml · nonDerivative · entry 1

McCormick Michael C. · CIK 0001699917 · EVP, GC & SECRETARY

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,640.162

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001415889-21-005504 · form4-11242021_011144.xml · derivative · entry 4

Busch Angela M · CIK 0001740094 · EVP - CORP STRAT & BUS DEV

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,800

Underlying: Common Stock · 2,500 shares

Expires 2022-12-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005504 · form4-11242021_011144.xml · nonDerivative · entry 2

Busch Angela M · CIK 0001740094 · EVP - CORP STRAT & BUS DEV

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,752

SEC source: 0001415889-21-005504 · form4-11242021_011144.xml · nonDerivative · entry 1

Busch Angela M · CIK 0001740094 · EVP - CORP STRAT & BUS DEV

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,252

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001415889-21-005509 · form4-11242021_011139.xml · derivative · entry 6

Mulhere Timothy P · CIK 0001540754 · EVP & PRES - GLOBAL INST

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 17,913 shares

Expires 2026-12-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. 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 option shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column represents the first anniversary of the date of grant.

SEC source: 0001415889-21-005509 · form4-11242021_011139.xml · nonDerivative · entry 4

Mulhere Timothy P · CIK 0001540754 · EVP & PRES - GLOBAL INST

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,967.393

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $238.750 to $238.800, inclusive. 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 range set forth in this footnote.

SEC source: 0001415889-21-005509 · form4-11242021_011139.xml · nonDerivative · entry 3

Mulhere Timothy P · CIK 0001540754 · EVP & PRES - GLOBAL INST

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,467.393

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $237.750 to $238.72, inclusive. 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 range set forth in this footnote.

SEC source: 0001415889-21-005509 · form4-11242021_011139.xml · nonDerivative · entry 2

Mulhere Timothy P · CIK 0001540754 · EVP & PRES - GLOBAL INST

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,736.393

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $236.750 to $237.730, inclusive. 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 range set forth in this footnote.

SEC source: 0001415889-21-005509 · form4-11242021_011139.xml · nonDerivative · entry 1

Mulhere Timothy P · CIK 0001540754 · EVP & PRES - GLOBAL INST

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,880.393

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001415889-21-005299 · form4-11182021_021119.xml · derivative · entry 4

Mulhere Timothy P · CIK 0001540754 · EVP & PRES - GLOBAL INST

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,913

Underlying: Common Stock · 5,920 shares

Expires 2026-12-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: 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 reflected in the Date Exercisable column is the first anniversary of the date of grant.

SEC source: 0001415889-21-005299 · form4-11182021_021119.xml · nonDerivative · entry 2

Mulhere Timothy P · CIK 0001540754 · EVP & PRES - GLOBAL INST

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,967.393

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $235.400 to $235.800, inclusive. 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 range set forth in footnote (2) to this Form 4.

SEC source: 0001415889-21-005299 · form4-11182021_021119.xml · nonDerivative · entry 1

Mulhere Timothy P · CIK 0001540754 · EVP & PRES - GLOBAL INST

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,887.393

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001415889-21-005180 · form4-11122021_031151.xml · derivative · entry 3

Simermeyer Elizabeth A · CIK 0001740096 · EVP & PRES - HC & LIFE SCI

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,000 shares

Expires 2026-12-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Option granted under the Ecolab Inc. 2010 Stock Incentive Plan. 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 option shares on the third anniversary of the date of grant. The date listed is the first anniversary of the date of grant.

SEC source: 0001415889-21-005180 · form4-11122021_031151.xml · nonDerivative · entry 2

Simermeyer Elizabeth A · CIK 0001740096 · EVP & PRES - HC & LIFE SCI

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,943

F1 · price: This transaction was executed in multiple trades at prices ranging from $235.435 to $235.635, inclusive. 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.