ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

ARMSTRONG HENRY H ASSOCIATES INC's Holding History (CIK: 0001056827)

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

Q1 2023

Shares 3,815 Value ($000) $631 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 3,800 Value ($000) $553 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 3,975 Value ($000) $574 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 3,975 Value ($000) $611 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 5,205 Value ($000) $919 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 5,405 Value ($000) $1,268 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 6,445 Value ($000) $1,345 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 7,335 Value ($000) $1,511 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 7,508 Value ($000) $1,607 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 6,978 Value ($000) $1,510 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 3,528 Value ($000) $705 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 2,430 Value ($000) $483 Avg Close $182.16 Range $136.65 - $217.57

Q4 2019

Shares 1,175 Value ($000) $227 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 1,175 Value ($000) $233 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 1,238 Value ($000) $244 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 6,738 Value ($000) $1,190 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 6,688 Value ($000) $985 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 6,688 Value ($000) $1,049 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 6,688 Value ($000) $939 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 6,660 Value ($000) $986 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 6,660 Value ($000) $894 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 6,660 Value ($000) $857 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 6,560 Value ($000) $871 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 5,698 Value ($000) $714 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 5,698 Value ($000) $668 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 4,098 Value ($000) $499 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 4,188 Value ($000) $497 Avg Close $104.92 Range $98.81 - $109.58

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	3,815	$631	$150.99	$139.35 - $161.29
Q4 2022	3,800	$553	$141.81	$126.42 - $153.48
Q3 2022	3,975	$574	$156.07	$138.29 - $171.23
Q2 2022	3,975	$611	$158.99	$137.82 - $177.76
Q1 2022	5,205	$919	$179.54	$147.91 - $226.74
Q4 2021	5,405	$1,268	$215.53	$199.33 - $227.72
Q3 2021	6,445	$1,345	$208.54	$195.25 - $219.93
Q2 2021	7,335	$1,511	$206.33	$194.28 - $218.25
Q1 2021	7,508	$1,607	$201.55	$190.45 - $215.84
Q4 2020	6,978	$1,510	$197.47	$171.24 - $214.73
Q3 2020	3,528	$705	$188.44	$172.53 - $201.15
Q2 2020	2,430	$483	$182.16	$136.65 - $217.57
Q4 2019	1,175	$227	$177.67	$169.74 - $186.58
Q3 2019	1,175	$233	$187.16	$179.22 - $195.89
Q2 2019	1,238	$244	$173.21	$164.99 - $187.12
Q1 2019	6,738	$1,190	$150.92	$131.24 - $169.66
Q4 2018	6,688	$985	$141.48	$126.10 - $150.86
Q3 2018	6,688	$1,049	$137.00	$128.06 - $148.09
Q2 2018	6,688	$939	$132.91	$122.30 - $138.58
Q1 2018	6,660	$986	$123.54	$115.47 - $129.02
Q4 2017	6,660	$894	$121.85	$117.53 - $126.30
Q3 2017	6,660	$857	$120.10	$116.11 - $122.59
Q2 2017	6,560	$871	$117.68	$113.27 - $123.01
Q1 2017	5,698	$714	$111.04	$106.47 - $114.69
Q4 2016	5,698	$668	$105.98	$100.13 - $110.74
Q3 2016	4,098	$499	$108.98	$105.46 - $112.42
Q2 2016	4,188	$497	$104.92	$98.81 - $109.58