ECL

SEC source: 0001415889-24-018933 · form4-07022024_080740.xml · nonDerivative · entry 2

Green Eric Mark · CIK 0001336007 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,003.81

F1 · balance_after: Includes 3.70 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-018933 · form4-07022024_080740.xml · nonDerivative · entry 1

Green Eric Mark · CIK 0001336007 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,855.7

SEC source: 0001415889-24-018931 · form4-07022024_080708.xml · nonDerivative · entry 2

Ballard Shari L · CIK 0001311220 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,408.45

F1 · balance_after: Includes 17.59 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-018931 · form4-07022024_080708.xml · nonDerivative · entry 1

Ballard Shari L · CIK 0001311220 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,249.55

SEC source: 0001415889-24-018929 · form4-07022024_080730.xml · nonDerivative · entry 1

Althoff Judson · CIK 0001868758 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 205.59

SEC source: 0001415889-24-012632 · form4-05082024_090507.xml · derivative · entry 2

ZILLMER JOHN J · CIK 0001188262 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 934

Underlying: Common Stock · 934 shares

Expires 2034-05-06

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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012628 · form4-05082024_090512.xml · derivative · entry 2

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 934

Underlying: Common Stock · 934 shares

Expires 2034-05-06

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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012626 · form4-05082024_090520.xml · derivative · entry 2

REICH VICTORIA · CIK 0001217635 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 934

Underlying: Common Stock · 934 shares

Expires 2034-05-06

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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012623 · form4-05082024_090506.xml · derivative · entry 2

NOWELL LIONEL L III · CIK 0001180436 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 934

Underlying: Common Stock · 934 shares

Expires 2034-05-06

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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012618 · form4-05082024_080534.xml · derivative · entry 4

MacLennan David · CIK 0001498535 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 934

Underlying: Common Stock · 934 shares

Expires 2034-05-06

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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012620 · form4-05082024_080533.xml · derivative · entry 2

McKibben Tracy B · CIK 0001584119 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 934

Underlying: Common Stock · 934 shares

Expires 2034-05-06

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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012614 · form4-05082024_080503.xml · derivative · entry 2

LARSON MICHAEL · CIK 0001098825 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 934

Underlying: Common Stock · 934 shares

Expires 2034-05-06

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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012611 · form4-05082024_080538.xml · derivative · entry 6

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 934

Underlying: Common Stock · 934 shares

Expires 2034-05-06

F2 · derivative.exercise_date: The option became or 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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012611 · form4-05082024_080538.xml · derivative · entry 5

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,300 shares

Expires 2026-05-05

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: The option became or 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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012611 · form4-05082024_080538.xml · derivative · entry 4

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,200 shares

Expires 2025-05-07

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 or 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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012611 · form4-05082024_080538.xml · nonDerivative · entry 3

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,548.22

F1 · price: This transaction was executed in multiple trades at prices ranging from $227.51 to $227.60, 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: 0001415889-24-012611 · form4-05082024_080538.xml · nonDerivative · entry 2

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,048.22

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: 0001415889-24-012611 · form4-05082024_080538.xml · nonDerivative · entry 1

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,748.22

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: 0001415889-24-012609 · form4-05082024_080532.xml · derivative · entry 2

Green Eric Mark · CIK 0001336007 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 934

Underlying: Common Stock · 934 shares

Expires 2034-05-06

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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012606 · form4-05082024_080528.xml · derivative · entry 2

Ballard Shari L · CIK 0001311220 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 934

Underlying: Common Stock · 934 shares

Expires 2034-05-06

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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012604 · form4-05082024_080550.xml · derivative · entry 3

Althoff Judson · CIK 0001868758 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177

Underlying: Common Stock · 177 shares

Expires 2034-05-06

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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012604 · form4-05082024_080550.xml · derivative · entry 2

Althoff Judson · CIK 0001868758 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 934

Underlying: Common Stock · 934 shares

Expires 2034-05-06

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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-012469 · form4-05072024_080516.xml · nonDerivative · entry 1

MacLennan David · CIK 0001498535 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,111.12

F1 · price: This transaction was executed in multiple trades at prices ranging from $227.34 to $227.368, inclusive. The price reported above reflects the weighted average purchase 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: 0001415889-24-009825 · form4-04022024_090406.xml · nonDerivative · entry 1

ZILLMER JOHN J · CIK 0001188262 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,131.84

F1 · balance_after: Includes 41.47 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-009821 · form4-04022024_090429.xml · nonDerivative · entry 1

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,211.27

F1 · balance_after: Includes 21.04 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-009817 · form4-04022024_090444.xml · nonDerivative · entry 1

REICH VICTORIA · CIK 0001217635 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,841.59

F1 · balance_after: Includes 64.34 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-009815 · form4-04022024_090420.xml · nonDerivative · entry 1

NOWELL LIONEL L III · CIK 0001180436 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,441.3

F1 · balance_after: Includes 14.69 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-009813 · form4-04022024_090427.xml · nonDerivative · entry 1

McKibben Tracy B · CIK 0001584119 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,371.49

F1 · balance_after: Includes 18.85 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-009811 · form4-04022024_090418.xml · nonDerivative · entry 2

MacLennan David · CIK 0001498535 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,461.12

F1 · balance_after: Includes 16.71 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-009811 · form4-04022024_090418.xml · nonDerivative · entry 1

MacLennan David · CIK 0001498535 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,391.6

SEC source: 0001415889-24-009807 · form4-04022024_090423.xml · nonDerivative · entry 1

LARSON MICHAEL · CIK 0001098825 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,170.48

F1 · balance_after: Includes 26.01 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-009804 · form4-04022024_090400.xml · nonDerivative · entry 2

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,548.22

F1 · balance_after: Includes 71.34 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-009804 · form4-04022024_090400.xml · nonDerivative · entry 1

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,341.49

SEC source: 0001415889-24-009799 · form4-04022024_080447.xml · nonDerivative · entry 2

Green Eric Mark · CIK 0001336007 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,714.39

F1 · balance_after: Includes 3.21 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-009799 · form4-04022024_080447.xml · nonDerivative · entry 1

Green Eric Mark · CIK 0001336007 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,575.79

SEC source: 0001415889-24-009795 · form4-04022024_080427.xml · nonDerivative · entry 2

BECK BARBARA · CIK 0001184925 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,848.53

F1 · balance_after: Includes 92.08 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-009795 · form4-04022024_080427.xml · nonDerivative · entry 1

BECK BARBARA · CIK 0001184925 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,599.4

SEC source: 0001415889-24-009790 · form4-04022024_080432.xml · nonDerivative · entry 2

Ballard Shari L · CIK 0001311220 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,108.24

F1 · balance_after: Includes 18.57 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-24-009790 · form4-04022024_080432.xml · nonDerivative · entry 1

Ballard Shari L · CIK 0001311220 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,943.45

SEC source: 0001415889-24-009788 · form4-04022024_080451.xml · nonDerivative · entry 1

Althoff Judson · CIK 0001868758 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64.28

SEC source: 0001415889-24-008565 · form4-03192024_080320.xml · derivative · entry 6

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 500 shares

Expires 2024-05-08

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 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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-008565 · form4-03192024_080320.xml · derivative · entry 5

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,400 shares

Expires 2024-05-08

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 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. The date listed in the Date Exercisable column represents the first vesting date.

SEC source: 0001415889-24-008565 · form4-03192024_080320.xml · nonDerivative · entry 4

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,044

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: 0001415889-24-008565 · form4-03192024_080320.xml · nonDerivative · entry 3

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,277

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: 0001415889-24-008565 · form4-03192024_080320.xml · nonDerivative · entry 2

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,777

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: 0001415889-24-008565 · form4-03192024_080320.xml · nonDerivative · entry 1

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,895

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: 0001415889-24-008563 · form4-03192024_080330.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,118 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.

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 shares on the third anniversary of the date of grant. The date listed in the "Date Exercisable" column is the first anniversary of the date of grant.

SEC source: 0001415889-24-008563 · form4-03192024_080330.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,888

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: 0001415889-24-008563 · form4-03192024_080330.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,272

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: 0001415889-24-008138 · form4-03152024_090354.xml · derivative · entry 3

LARSON MICHAEL · CIK 0001098825 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,400 shares

Expires 2024-05-08

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 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. The date listed in the