ECL

SEC source: 0001415889-21-001055 · form4-03012021_020304.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 623,927

F1 · kind: Reflects the reporting person's payment of minimum statutory tax obligations by withholding shares of Ecolab Common Stock incident to the vesting of performance-based restricted stock units in accordance with Rule 16b-3.

SEC source: 0001415889-21-001055 · form4-03012021_020304.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: 640,553

SEC source: 0001415889-21-000510 · form4-02022021_030222.xml · derivative · entry 3

ZILLMER JOHN J · CIK 0001188262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,200 shares

Expires 2021-05-05

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 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.

SEC source: 0001415889-21-000510 · form4-02022021_030222.xml · nonDerivative · entry 2

ZILLMER JOHN J · CIK 0001188262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,301.3

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: 0001415889-21-000510 · form4-02022021_030222.xml · nonDerivative · entry 1

ZILLMER JOHN J · CIK 0001188262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,347.3

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: 0001415889-21-000114 · form4-01052021_010128.xml · nonDerivative · entry 1

ZILLMER JOHN J · CIK 0001188262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,147.3

F1 · balance_after: Includes 27.81 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-000112 · form4-01052021_010153.xml · nonDerivative · entry 1

Vautrinot Suzanne M · CIK 0001589791 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,248.82

F1 · balance_after: Includes 11.62 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-000110 · form4-01052021_010152.xml · nonDerivative · entry 1

REICH VICTORIA · CIK 0001217635 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,856.75

F1 · balance_after: Includes 45.78 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-000108 · form4-01052021_010100.xml · nonDerivative · entry 2

NOWELL LIONEL L III · CIK 0001180436 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,556.66

F1 · balance_after: Includes 4.65 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-000108 · form4-01052021_010100.xml · nonDerivative · entry 1

NOWELL LIONEL L III · CIK 0001180436 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,412.98

SEC source: 0001415889-21-000106 · form4-01052021_010117.xml · nonDerivative · entry 1

McKibben Tracy B · CIK 0001584119 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,510.45

F1 · balance_after: Includes 9.90 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-000104 · form4-01052021_010149.xml · nonDerivative · entry 1

MacLennan David · CIK 0001498535 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,399

F1 · balance_after: Includes 108 shares of Ecolab common stock received as a distribution from the Everett W. MacLennan Irrevocable Trust and representing the reporting person's pro rata interest in shares of Ecolab common stock held by the trust. In prior reports, the reporting person reported indirect beneficial ownership of 435 shares of Ecolab common stock held by this trust.

F2 · balance_after: Includes 175 shares of Ecolab common stock received as a distribution from the Everett MacLennan 1977 Family Trust and 425 shares of Ecolab common stock received as a distribution from the Second Amendment to and Restatement of Mary Ann MacLennan Revocable Trust Agreement dated May 19, 2015, in each case representing the reporting person's distributable pro rata interest in the shares of Ecolab common stock held by the trusts.

F3 · balance_after: Includes 8.22 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-000100 · form4-01052021_010156.xml · nonDerivative · entry 2

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,447.56

F1 · balance_after: Includes 46.54 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-000100 · form4-01052021_010156.xml · nonDerivative · entry 1

HIGGINS ARTHUR J · CIK 0001142083 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,273.58

SEC source: 0001415889-21-000102 · form4-01052021_010105.xml · nonDerivative · entry 1

LARSON MICHAEL · CIK 0001098825 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,923.85

F1 · balance_after: Includes 15.54 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-000098 · form4-01052021_010150.xml · nonDerivative · entry 1

ETTINGER JEFFREY M · CIK 0001192933 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,348.12

F1 · balance_after: Includes 15.60 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-000096 · form4-01052021_010157.xml · nonDerivative · entry 2

BECK BARBARA · CIK 0001184925 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,161.53

F1 · balance_after: Includes 62.15 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-000096 · form4-01052021_010157.xml · nonDerivative · entry 1

BECK BARBARA · CIK 0001184925 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,954.56

SEC source: 0001415889-21-000094 · form4-01052021_010114.xml · nonDerivative · entry 2

Ballard Shari L · CIK 0001311220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,556.66

F1 · balance_after: Includes 4.65 shares acquired pursuant to a dividend reinvestment feature of the Ecolab Inc. 2001 Non-Employee Director Stock Option and Deferred Compensation Plan.

SEC source: 0001415889-21-000094 · form4-01052021_010114.xml · nonDerivative · entry 1

Ballard Shari L · CIK 0001311220 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,412.98

SEC source: 0001415889-21-000445 · form5-01292021_010159.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,786.162

SEC source: 0001415889-21-000447 · form5-01292021_020110.xml · nonDerivative · entry 5

SCHMECHEL DANIEL J · CIK 0001198768 · CFO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Kathryn W. Schmechel 2020 Trust u/a dated 12/14/2020

Disclosed balance after: 51,500

SEC source: 0001415889-21-000447 · form5-01292021_020110.xml · nonDerivative · entry 4

SCHMECHEL DANIEL J · CIK 0001198768 · CFO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Wilhelmina M. Wright Revocable Trust u/a dated 10/26/2016

Disclosed balance after: 3,500

SEC source: 0001415889-21-000449 · form5-01292021_020114.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,373

SEC source: 0001415889-21-000447 · form5-01292021_020110.xml · nonDerivative · entry 2

SCHMECHEL DANIEL J · CIK 0001198768 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 143,878.018

SEC source: 0001415889-20-002957 · form4-12172020_011230.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 · 7,210 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: 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: 0001415889-20-002957 · form4-12172020_011230.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,901.162

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

SEC source: 0001415889-20-002957 · form4-12172020_011230.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,301.162

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: 0001415889-20-002902 · form4-12152020_021225.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,827

SEC source: 0001415889-21-000443 · form5-01292021_010136.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 602,550

SEC source: 0001415889-21-000451 · form5-01292021_020117.xml · nonDerivative · entry 1

Wyant Jill S · CIK 0001559370 · EVP - INNOV & TRANSF

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,123

SEC source: 0001415889-21-000447 · form5-01292021_020110.xml · nonDerivative · entry 3

SCHMECHEL DANIEL J · CIK 0001198768 · CFO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Wilhelmina M. Wright Revocable Trust u/a dated 10/26/2016

Disclosed balance after: 55,000

SEC source: 0001415889-21-000447 · form5-01292021_020110.xml · nonDerivative · entry 1

SCHMECHEL DANIEL J · CIK 0001198768 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,248.018

SEC source: 0001415889-20-002850 · form4-12072020_031231.xml · derivative · entry 10

Wyant Jill S · CIK 0001559370 · EVP - INNOV & TRANSF

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,910 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.

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: 0001415889-20-002850 · form4-12072020_031231.xml · nonDerivative · entry 7

Wyant Jill S · CIK 0001559370 · EVP - INNOV & TRANSF

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,308

F4 · price: This transaction was executed in multiple trades at prices ranging from $224.15 to $224.23, 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: 0001415889-20-002850 · form4-12072020_031231.xml · nonDerivative · entry 6

Wyant Jill S · CIK 0001559370 · EVP - INNOV & TRANSF

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,558

F3 · price: This transaction was executed in multiple trades at prices ranging from $223.01 to $223.99, 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: 0001415889-20-002850 · form4-12072020_031231.xml · nonDerivative · entry 5

Wyant Jill S · CIK 0001559370 · EVP - INNOV & TRANSF

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,218

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: 0001415889-20-002870 · form4-12092020_021244.xml · derivative · entry 3

Charton Jerome · CIK 0001810142 · EVP - GLOBAL REGIONS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 893

Underlying: Common Stock · 1,784 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: 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: 0001415889-20-002870 · form4-12092020_021244.xml · nonDerivative · entry 2

Charton Jerome · CIK 0001810142 · EVP - GLOBAL REGIONS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,339

F1 · price: This transaction was executed in multiple trades at prices ranging from $222.461 to $222.580, 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: 0001415889-20-002870 · form4-12092020_021244.xml · nonDerivative · entry 1

Charton Jerome · CIK 0001810142 · EVP - GLOBAL REGIONS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,088

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: 0001415889-20-002850 · form4-12072020_031231.xml · derivative · entry 9

Wyant Jill S · CIK 0001559370 · EVP - INNOV & TRANSF

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,715

Underlying: Common Stock · 4,357 shares

Expires 2029-12-03

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.

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: 0001415889-20-002850 · form4-12072020_031231.xml · derivative · entry 8

Wyant Jill S · CIK 0001559370 · EVP - INNOV & TRANSF

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,429

Underlying: Common Stock · 5,429 shares

Expires 2028-12-04

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: 0001415889-20-002850 · form4-12072020_031231.xml · nonDerivative · entry 4

Wyant Jill S · CIK 0001559370 · EVP - INNOV & TRANSF

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,308

F2 · price: This transaction was executed in multiple trades at prices ranging from $224.60 to $225.12, 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: 0001415889-20-002850 · form4-12072020_031231.xml · nonDerivative · entry 3

Wyant Jill S · CIK 0001559370 · EVP - INNOV & TRANSF

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,753

F1 · price: This transaction was executed in multiple trades at prices ranging from $223.60 to $224.51, 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: 0001415889-20-002850 · form4-12072020_031231.xml · nonDerivative · entry 2

Wyant Jill S · CIK 0001559370 · EVP - INNOV & TRANSF

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,094

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: 0001415889-20-002850 · form4-12072020_031231.xml · nonDerivative · entry 1

Wyant Jill S · CIK 0001559370 · EVP - INNOV & TRANSF

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,737

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: 0001415889-20-002812 · form4-12042020_021230.xml · derivative · entry 16

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 80,526 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.

F10 · 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: 0001415889-20-002812 · form4-12042020_021230.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 616,050

F8 · price: This transaction was executed in multiple trades at prices ranging from $223.260 to $223.760, 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: 0001415889-20-002812 · form4-12042020_021230.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 620,508

F7 · price: This transaction was executed in multiple trades at prices ranging from $222.210 to $223.180, 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: 0001415889-20-002812 · form4-12042020_021230.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 641,668

F6 · price: This transaction was executed in multiple trades at prices ranging from $221.200 to $221.930, 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.