ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

Winthrop Partners - WNY, LLC's Holding History (CIK: 0001734109)

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

Q4 2025

Shares 2,181 Value ($000) $573 Avg Close $265.71 Range $251.04 - $281.41

Q3 2019

Shares 4,143 Value ($000) $820,479 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 4,293 Value ($000) $847,609 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 4,293 Value ($000) $767,030 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 4,293 Value ($000) $632,573 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 4,343 Value ($000) $680,895 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 4,343 Value ($000) $609,453 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 8,994 Value ($000) $1,261,408 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 9,094 Value ($000) $1,226,871 Avg Close $121.85 Range $117.53 - $126.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,181	$573	$265.71	$251.04 - $281.41
Q3 2019	4,143	$820,479	$187.16	$179.22 - $195.89
Q2 2019	4,293	$847,609	$173.21	$164.99 - $187.12
Q1 2019	4,293	$767,030	$150.92	$131.24 - $169.66
Q4 2018	4,293	$632,573	$141.48	$126.10 - $150.86
Q3 2018	4,343	$680,895	$137.00	$128.06 - $148.09
Q2 2018	4,343	$609,453	$132.91	$122.30 - $138.58
Q1 2018	8,994	$1,261,408	$123.54	$115.47 - $129.02
Q4 2017	9,094	$1,226,871	$121.85	$117.53 - $126.30