ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

Madison Asset Management, LLC's Holding History (CIK: 0001299351)

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

Q4 2025

Shares 63,218 Value ($000) $16,596 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 58,171 Value ($000) $15,931 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 59,269 Value ($000) $15,969 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 50,427 Value ($000) $12,784 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 51,018 Value ($000) $11,955 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 51,047 Value ($000) $13,034 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 51,690 Value ($000) $12,302 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 52,273 Value ($000) $12,070 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 52,085 Value ($000) $10,331 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 53,499 Value ($000) $9,063 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 54,715 Value ($000) $10,215 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 56,654 Value ($000) $9,378 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 56,650 Value ($000) $8 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 29,257 Value ($000) $4,225 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 28,117 Value ($000) $4,323 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 28,550 Value ($000) $5,041 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 26,978 Value ($000) $6,329 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 26,487 Value ($000) $5,526 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 25,854 Value ($000) $5,325 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 24,210 Value ($000) $5,183 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 22,985 Value ($000) $4,973 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 22,590 Value ($000) $4,514 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 22,854 Value ($000) $4,547 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 22,877 Value ($000) $3,565 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 7,228 Value ($000) $1,395 Avg Close $177.67 Range $169.74 - $186.58

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	63,218	$16,596	$265.71	$251.04 - $281.41
Q3 2025	58,171	$15,931	$270.32	$253.71 - $284.56
Q2 2025	59,269	$15,969	$252.35	$219.93 - $269.19
Q1 2025	50,427	$12,784	$249.61	$225.31 - $270.90
Q4 2024	51,018	$11,955	$245.53	$230.70 - $259.26
Q3 2024	51,047	$13,034	$241.07	$217.65 - $253.31
Q2 2024	51,690	$12,302	$227.14	$213.29 - $242.24
Q1 2024	52,273	$12,070	$207.94	$189.63 - $227.85
Q4 2023	52,085	$10,331	$175.85	$153.18 - $197.06
Q3 2023	53,499	$9,063	$177.30	$163.22 - $186.52
Q2 2023	54,715	$10,215	$167.31	$156.95 - $182.94
Q1 2023	56,654	$9,378	$150.99	$139.35 - $161.29
Q4 2022	56,650	$8	$141.81	$126.42 - $153.48
Q3 2022	29,257	$4,225	$156.07	$138.29 - $171.23
Q2 2022	28,117	$4,323	$158.99	$137.82 - $177.76
Q1 2022	28,550	$5,041	$179.54	$147.91 - $226.74
Q4 2021	26,978	$6,329	$215.53	$199.33 - $227.72
Q3 2021	26,487	$5,526	$208.54	$195.25 - $219.93
Q2 2021	25,854	$5,325	$206.33	$194.28 - $218.25
Q1 2021	24,210	$5,183	$201.55	$190.45 - $215.84
Q4 2020	22,985	$4,973	$197.47	$171.24 - $214.73
Q3 2020	22,590	$4,514	$188.44	$172.53 - $201.15
Q2 2020	22,854	$4,547	$182.16	$136.65 - $217.57
Q1 2020	22,877	$3,565	$176.33	$117.17 - $198.13
Q4 2019	7,228	$1,395	$177.67	$169.74 - $186.58