ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

PRIVATE TRUST CO NA's Holding History (CIK: 0001277557)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 7,695 Value ($000) $2,020 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 6,411 Value ($000) $1,756 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 6,772 Value ($000) $1,825 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 6,180 Value ($000) $1,567 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 3,062 Value ($000) $717 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 1,843 Value ($000) $471 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 1,859 Value ($000) $442 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 1,684 Value ($000) $389 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 1,597 Value ($000) $317 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 1,593 Value ($000) $270 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 1,723 Value ($000) $322 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 1,710 Value ($000) $283 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 1,717 Value ($000) $0 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 1,879 Value ($000) $271 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 2,018 Value ($000) $310 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 2,047 Value ($000) $361 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 1,990 Value ($000) $467 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 2,200 Value ($000) $459 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 2,423 Value ($000) $499 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 2,547 Value ($000) $545 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 2,823 Value ($000) $610 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 3,279 Value ($000) $655 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 5,693 Value ($000) $1,143 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 5,345 Value ($000) $832 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 5,331 Value ($000) $1,028 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 5,021 Value ($000) $994 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 5,265 Value ($000) $1,039 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 5,753 Value ($000) $1,015 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 5,716 Value ($000) $842 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 5,726 Value ($000) $897 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 6,082 Value ($000) $853 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 6,100 Value ($000) $836 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 6,338 Value ($000) $850 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 6,430 Value ($000) $826 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 6,906 Value ($000) $916 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 6,795 Value ($000) $851 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 7,786 Value ($000) $912 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 5,032 Value ($000) $612 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 5,017 Value ($000) $594 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 5,812 Value ($000) $648 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 5,454 Value ($000) $623 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 5,488 Value ($000) $601 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 5,583 Value ($000) $630 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 6,253 Value ($000) $714 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 6,272 Value ($000) $655 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 2,792 Value ($000) $321 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 2,917 Value ($000) $325 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 1,832 Value ($000) $198 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 1,846 Value ($000) $192 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 1,606 Value ($000) $159 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 5,385 Value ($000) $459 Avg Close $73.48 Range $68.51 - $77.84

Q1 2013

Shares 5,385 Value ($000) $459 Avg Close $65.61 Range $62.45 - $70.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,695	$2,020	$265.71	$251.04 - $281.41
Q3 2025	6,411	$1,756	$270.32	$253.71 - $284.56
Q2 2025	6,772	$1,825	$252.35	$219.93 - $269.19
Q1 2025	6,180	$1,567	$249.61	$225.31 - $270.90
Q4 2024	3,062	$717	$245.53	$230.70 - $259.26
Q3 2024	1,843	$471	$241.07	$217.65 - $253.31
Q2 2024	1,859	$442	$227.14	$213.29 - $242.24
Q1 2024	1,684	$389	$207.94	$189.63 - $227.85
Q4 2023	1,597	$317	$175.85	$153.18 - $197.06
Q3 2023	1,593	$270	$177.30	$163.22 - $186.52
Q2 2023	1,723	$322	$167.31	$156.95 - $182.94
Q1 2023	1,710	$283	$150.99	$139.35 - $161.29
Q4 2022	1,717	$0	$141.81	$126.42 - $153.48
Q3 2022	1,879	$271	$156.07	$138.29 - $171.23
Q2 2022	2,018	$310	$158.99	$137.82 - $177.76
Q1 2022	2,047	$361	$179.54	$147.91 - $226.74
Q4 2021	1,990	$467	$215.53	$199.33 - $227.72
Q3 2021	2,200	$459	$208.54	$195.25 - $219.93
Q2 2021	2,423	$499	$206.33	$194.28 - $218.25
Q1 2021	2,547	$545	$201.55	$190.45 - $215.84
Q4 2020	2,823	$610	$197.47	$171.24 - $214.73
Q3 2020	3,279	$655	$188.44	$172.53 - $201.15
Q2 2020	5,693	$1,143	$182.16	$136.65 - $217.57
Q1 2020	5,345	$832	$176.33	$117.17 - $198.13
Q4 2019	5,331	$1,028	$177.67	$169.74 - $186.58
Q3 2019	5,021	$994	$187.16	$179.22 - $195.89
Q2 2019	5,265	$1,039	$173.21	$164.99 - $187.12
Q1 2019	5,753	$1,015	$150.92	$131.24 - $169.66
Q4 2018	5,716	$842	$141.48	$126.10 - $150.86
Q3 2018	5,726	$897	$137.00	$128.06 - $148.09
Q2 2018	6,082	$853	$132.91	$122.30 - $138.58
Q1 2018	6,100	$836	$123.54	$115.47 - $129.02
Q4 2017	6,338	$850	$121.85	$117.53 - $126.30
Q3 2017	6,430	$826	$120.10	$116.11 - $122.59
Q2 2017	6,906	$916	$117.68	$113.27 - $123.01
Q1 2017	6,795	$851	$111.04	$106.47 - $114.69
Q4 2016	7,786	$912	$105.98	$100.13 - $110.74
Q3 2016	5,032	$612	$108.98	$105.46 - $112.42
Q2 2016	5,017	$594	$104.92	$98.81 - $109.58
Q1 2016	5,812	$648	$95.34	$88.43 - $102.02
Q4 2015	5,454	$623	$105.21	$98.01 - $109.49
Q3 2015	5,488	$601	$99.79	$91.88 - $104.89
Q2 2015	5,583	$630	$102.25	$97.79 - $105.41
Q1 2015	6,253	$714	$97.19	$86.65 - $103.73
Q4 2014	6,272	$655	$96.70	$89.74 - $101.94
Q3 2014	2,792	$321	$99.26	$94.57 - $104.65
Q2 2014	2,917	$325	$94.25	$89.51 - $98.33
Q1 2014	1,832	$198	$91.92	$85.62 - $98.30
Q4 2013	1,846	$192	$90.95	$84.34 - $94.74
Q3 2013	1,606	$159	$81.20	$74.57 - $86.97
Q2 2013	5,385	$459	$73.48	$68.51 - $77.84
Q1 2013	5,385	$459	$65.61	$62.45 - $70.20