ECL

SEC source: 0001415889-21-003806 · form4-08052021_020845.xml · derivative · entry 4

Kirkland Scott D · CIK 0001779234 · SVP & CORPORATE CONTROLLER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,800 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.

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 listed in the "Date Exercisable" column represents the first anniversary date of the grant.

SEC source: 0001415889-21-003806 · form4-08052021_020845.xml · nonDerivative · entry 3

Kirkland Scott D · CIK 0001779234 · SVP & CORPORATE CONTROLLER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,322

F2 · price: This transaction was executed in multiple trades at prices ranging from $217.470 to $217.970, 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.

SEC source: 0001415889-21-003806 · form4-08052021_020845.xml · nonDerivative · entry 2

Kirkland Scott D · CIK 0001779234 · SVP & CORPORATE CONTROLLER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,122

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: 0001415889-21-003806 · form4-08052021_020845.xml · nonDerivative · entry 1

Kirkland Scott D · CIK 0001779234 · SVP & CORPORATE CONTROLLER

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ecolab Savings Plan

Disclosed balance after: 1,249.732

F1 · shares: Represents an intra-plan transfer of 162.83 UNITS into the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) at a price of $402.21 per UNIT. This is equivalent to the acquisition of approximately 298 shares of the Issuer's Common Stock at a price of $219.36 per share. The 1,249.732 UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan following this transaction include 9.216 UNITS acquired since the reporting person's last report. (The 1,249.732 UNITS are the equivalent of approximately 2,291 SHARES of the issuer's Common Stock.)

F1 · price: Represents an intra-plan transfer of 162.83 UNITS into the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) at a price of $402.21 per UNIT. This is equivalent to the acquisition of approximately 298 shares of the Issuer's Common Stock at a price of $219.36 per share. The 1,249.732 UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan following this transaction include 9.216 UNITS acquired since the reporting person's last report. (The 1,249.732 UNITS are the equivalent of approximately 2,291 SHARES of the issuer's Common Stock.)

F1 · balance_after: Represents an intra-plan transfer of 162.83 UNITS into the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) at a price of $402.21 per UNIT. This is equivalent to the acquisition of approximately 298 shares of the Issuer's Common Stock at a price of $219.36 per share. The 1,249.732 UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan following this transaction include 9.216 UNITS acquired since the reporting person's last report. (The 1,249.732 UNITS are the equivalent of approximately 2,291 SHARES of the issuer's Common Stock.)

SEC source: 0001415889-21-003791 · form4-08042021_010849.xml · derivative · entry 6

Beck Christophe · CIK 0001471500 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 32,600 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.

F5 · 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 listed in the "Date Exercisable" column represents the first anniversary date of the grant.

SEC source: 0001415889-21-003791 · form4-08042021_010849.xml · nonDerivative · entry 4

Beck Christophe · CIK 0001471500 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,093

F1 · kind: The total number of shares sold by the reporting person of 26,613 is the sum of (a) the "sell-to-cover amount" (i.e., amount required to be sold to cover the option exercise price and withholding taxes) related to an employee stock option exercise and (b) one-half of the shares available after the sell-to-cover transaction, with the reporting person retaining the remaining 5,987 shares from his option exercise.

SEC source: 0001415889-21-003791 · form4-08042021_010849.xml · nonDerivative · entry 3

Beck Christophe · CIK 0001471500 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,193

F1 · kind: The total number of shares sold by the reporting person of 26,613 is the sum of (a) the "sell-to-cover amount" (i.e., amount required to be sold to cover the option exercise price and withholding taxes) related to an employee stock option exercise and (b) one-half of the shares available after the sell-to-cover transaction, with the reporting person retaining the remaining 5,987 shares from his option exercise.

F3 · price: This transaction was executed in multiple trades at prices ranging from $219.360 to $220.350, 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.

SEC source: 0001415889-21-003791 · form4-08042021_010849.xml · nonDerivative · entry 2

Beck Christophe · CIK 0001471500 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,806

F1 · kind: The total number of shares sold by the reporting person of 26,613 is the sum of (a) the "sell-to-cover amount" (i.e., amount required to be sold to cover the option exercise price and withholding taxes) related to an employee stock option exercise and (b) one-half of the shares available after the sell-to-cover transaction, with the reporting person retaining the remaining 5,987 shares from his option exercise.

F2 · price: This transaction was executed in multiple trades at prices ranging from $218.350 to $219.340, 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.

SEC source: 0001415889-21-003791 · form4-08042021_010849.xml · nonDerivative · entry 1

Beck Christophe · CIK 0001471500 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,706

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: 0001415889-21-003743 · form4-07302021_010724.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 · 9,930 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: 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 listed in the "Date Exercisable" column represents the first anniversary date of the date of grant.

SEC source: 0001415889-21-003743 · form4-07302021_010724.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,711.162

F1 · price: This transaction was executed in multiple trades at prices ranging from $220.000 to $220.075, 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.

SEC source: 0001415889-21-003743 · form4-07302021_010724.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,641.162

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: 0001415889-21-003433 · form4-07022021_020745.xml · nonDerivative · entry 1

ZILLMER JOHN J · CIK 0001188262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,628.82

F1 · balance_after: Includes 26.65 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-003431 · form4-07022021_020727.xml · nonDerivative · entry 1

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,545.49

F1 · balance_after: Includes 11.49 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-003427 · form4-07022021_020741.xml · nonDerivative · entry 1

REICH VICTORIA · CIK 0001217635 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,218.48

F1 · balance_after: Includes 43.46 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-003422 · form4-07022021_020700.xml · nonDerivative · entry 2

NOWELL LIONEL L III · CIK 0001180436 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,126.52

F1 · balance_after: Includes 5.60 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-003422 · form4-07022021_020700.xml · nonDerivative · entry 1

NOWELL LIONEL L III · CIK 0001180436 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,975.13

SEC source: 0001415889-21-003417 · form4-07022021_010746.xml · nonDerivative · entry 1

MacLennan David · CIK 0001498535 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,689.18

F1 · balance_after: Includes 8.30 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-003420 · form4-07022021_020700.xml · nonDerivative · entry 1

McKibben Tracy B · CIK 0001584119 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,803.83

F1 · balance_after: Includes 9.87 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-003415 · form4-07022021_010738.xml · nonDerivative · entry 1

LARSON MICHAEL · CIK 0001098825 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,227.98

F1 · balance_after: Includes 15.16 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-003413 · form4-07022021_010752.xml · nonDerivative · entry 2

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,073.33

F1 · balance_after: Includes 44.75 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-003413 · form4-07022021_010752.xml · nonDerivative · entry 1

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,894.94

SEC source: 0001415889-21-003411 · form4-07022021_010757.xml · nonDerivative · entry 1

ETTINGER JEFFREY M · CIK 0001192933 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,652.36

F1 · balance_after: Includes 15.21 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-003409 · form4-07022021_010735.xml · nonDerivative · entry 2

BECK BARBARA · CIK 0001184925 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,852.85

F1 · balance_after: Includes 59.45 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-003409 · form4-07022021_010735.xml · nonDerivative · entry 1

BECK BARBARA · CIK 0001184925 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,641.54

SEC source: 0001415889-21-003406 · form4-07022021_010707.xml · nonDerivative · entry 2

Ballard Shari L · CIK 0001311220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,126.52

F1 · balance_after: Includes 5.60 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-003406 · form4-07022021_010707.xml · nonDerivative · entry 1

Ballard Shari L · CIK 0001311220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,975.13

SEC source: 0001415889-21-002512 · form4-05172021_010509.xml · nonDerivative · entry 1

Kirkland Scott D · CIK 0001779234 · SVP & CORPORATE CONTROLLER

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ecolab Savings Plan

Disclosed balance after: 1,077.686

F1 · shares: Represents an intra-plan transfer of 428.982 UNITS into the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) at a price of $406.02 per UNIT. This is equivalent to the acquisition of approximately 786 shares of the Issuer's Common Stock at a price of $221.48 per share. The 1,077.686 UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan following this transaction includes 8.436 UNITS acquired since the reporting person's last report. (The 1,077.686 UNITS are the equivalent of approximately 1,976 SHARES of the issuer's Common Stock.)

F1 · price: Represents an intra-plan transfer of 428.982 UNITS into the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) at a price of $406.02 per UNIT. This is equivalent to the acquisition of approximately 786 shares of the Issuer's Common Stock at a price of $221.48 per share. The 1,077.686 UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan following this transaction includes 8.436 UNITS acquired since the reporting person's last report. (The 1,077.686 UNITS are the equivalent of approximately 1,976 SHARES of the issuer's Common Stock.)

F1 · balance_after: Represents an intra-plan transfer of 428.982 UNITS into the Ecolab Stock Fund of the Ecolab Savings Plan (401(k) Plan) at a price of $406.02 per UNIT. This is equivalent to the acquisition of approximately 786 shares of the Issuer's Common Stock at a price of $221.48 per share. The 1,077.686 UNITS in the Ecolab Stock Fund of the Ecolab Savings Plan following this transaction includes 8.436 UNITS acquired since the reporting person's last report. (The 1,077.686 UNITS are the equivalent of approximately 1,976 SHARES of the issuer's Common Stock.)

SEC source: 0001415889-21-002407 · form4-05112021_010507.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 24,471 shares

Expires 2024-12-03

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: 0001415889-21-002407 · form4-05112021_010507.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 $228.20 to $228.63, 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 (1) to this Form 4.

SEC source: 0001415889-21-002407 · form4-05112021_010507.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,438.393

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: 0001415889-21-002375 · form4-05072021_030550.xml · derivative · entry 2

ZILLMER JOHN J · CIK 0001188262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,158

Underlying: Common Stock · 1,158 shares

Expires 2031-05-06

F1 · derivative.exercise_date: The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.

SEC source: 0001415889-21-002373 · form4-05072021_020522.xml · derivative · entry 2

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,158

Underlying: Common Stock · 1,158 shares

Expires 2031-05-06

F1 · derivative.exercise_date: The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.

SEC source: 0001415889-21-002371 · form4-05072021_020503.xml · derivative · entry 2

REICH VICTORIA · CIK 0001217635 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,158

Underlying: Common Stock · 1,158 shares

Expires 2031-05-06

F1 · derivative.exercise_date: The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.

SEC source: 0001415889-21-002369 · form4-05072021_020520.xml · derivative · entry 2

NOWELL LIONEL L III · CIK 0001180436 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,158

Underlying: Common Stock · 1,158 shares

Expires 2031-05-06

F1 · derivative.exercise_date: The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.

SEC source: 0001415889-21-002367 · form4-05072021_020536.xml · derivative · entry 2

McKibben Tracy B · CIK 0001584119 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,158

Underlying: Common Stock · 1,158 shares

Expires 2031-05-06

F1 · derivative.exercise_date: The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.

SEC source: 0001415889-21-002365 · form4-05072021_020546.xml · derivative · entry 4

MacLennan David · CIK 0001498535 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,158

Underlying: Common Stock · 1,158 shares

Expires 2031-05-06

F1 · derivative.exercise_date: The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.

SEC source: 0001415889-21-002363 · form4-05072021_020545.xml · derivative · entry 2

LARSON MICHAEL · CIK 0001098825 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,158

Underlying: Common Stock · 1,158 shares

Expires 2031-05-06

F1 · derivative.exercise_date: The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.

SEC source: 0001415889-21-002359 · form4-05072021_020536.xml · derivative · entry 2

ETTINGER JEFFREY M · CIK 0001192933 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,158

Underlying: Common Stock · 1,158 shares

Expires 2031-05-06

F1 · derivative.exercise_date: The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.

SEC source: 0001415889-21-002361 · form4-05072021_020538.xml · derivative · entry 2

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,158

Underlying: Common Stock · 1,158 shares

Expires 2031-05-06

F1 · derivative.exercise_date: The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.

SEC source: 0001415889-21-002357 · form4-05072021_020511.xml · derivative · entry 2

BECK BARBARA · CIK 0001184925 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,158

Underlying: Common Stock · 1,158 shares

Expires 2031-05-06

F1 · derivative.exercise_date: The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.

SEC source: 0001415889-21-002355 · form4-05072021_020533.xml · derivative · entry 2

Ballard Shari L · CIK 0001311220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,158

Underlying: Common Stock · 1,158 shares

Expires 2031-05-06

F1 · derivative.exercise_date: The option will become exercisable, on a cumulative basis, as to 25% of the option shares (excluding any fractional portion less than one share), on the last day of each of the first, second and third three-month periods following its date of grant and as to the remaining shares on the last day of the fourth three-month period following its date of grant; provided, however, that if a Change in Control of the Company (as that term is defined in the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan) will occur, then the option will become immediately exercisable in full.

SEC source: 0001415889-21-002353 · form4-05072021_020535.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 · 7,691 shares

Expires 2025-12-02

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: 3,845 shares became exercisable on December 2, 2017 and 3,846 shares became exercisable on December 2, 2018.

SEC source: 0001415889-21-002353 · form4-05072021_020535.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: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $227.51 to $227.59, 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 (1) to this Form 4.

SEC source: 0001415889-21-002353 · form4-05072021_020535.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,634

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: 0001415889-21-002245 · form4-05042021_010501.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,069

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $227.22 to $227.56, 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 (1) to this Form 4.

SEC source: 0001415889-21-001824 · form4-04022021_120444.xml · nonDerivative · entry 1

ZILLMER JOHN J · CIK 0001188262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,462.46

F1 · balance_after: Includes 27.28 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-001821 · form4-04022021_110422.xml · nonDerivative · entry 1

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,394.29

F1 · balance_after: Includes 11.59 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-001819 · form4-04022021_110444.xml · nonDerivative · entry 1

REICH VICTORIA · CIK 0001217635 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,035.31

F1 · balance_after: Includes 44.68 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-001815 · form4-04022021_110432.xml · nonDerivative · entry 1

McKibben Tracy B · CIK 0001584119 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,654.25

F1 · balance_after: Includes 9.92 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.