ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

OMERS ADMINISTRATION Corp's Holding History (CIK: 0001053321)

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

Q4 2025

Shares 17,133 Value ($000) $4,498 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 18,201 Value ($000) $4,985 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 15,901 Value ($000) $4,284 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 9,201 Value ($000) $2,333 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 10,726 Value ($000) $2,513 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 8,923 Value ($000) $2,278 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 8,923 Value ($000) $2,124 Avg Close $227.14 Range $213.29 - $242.24

Q4 2019

Shares 61,500 Value ($000) $11,869 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 58,600 Value ($000) $11,605 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 46,000 Value ($000) $9,206 Avg Close $173.21 Range $164.99 - $187.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,133	$4,498	$265.71	$251.04 - $281.41
Q3 2025	18,201	$4,985	$270.32	$253.71 - $284.56
Q2 2025	15,901	$4,284	$252.35	$219.93 - $269.19
Q1 2025	9,201	$2,333	$249.61	$225.31 - $270.90
Q4 2024	10,726	$2,513	$245.53	$230.70 - $259.26
Q3 2024	8,923	$2,278	$241.07	$217.65 - $253.31
Q2 2024	8,923	$2,124	$227.14	$213.29 - $242.24
Q4 2019	61,500	$11,869	$177.67	$169.74 - $186.58
Q3 2019	58,600	$11,605	$187.16	$179.22 - $195.89
Q2 2019	46,000	$9,206	$173.21	$164.99 - $187.12