ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

PRINCIPAL SECURITIES, INC.'s Holding History (CIK: 0000012600)

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

Q4 2025

Shares 9,566 Value ($000) $2,511 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 10,959 Value ($000) $3,001 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 11,008 Value ($000) $2,966 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 10,034 Value ($000) $2,351 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 10,034 Value ($000) $2,351 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 9,332 Value ($000) $2,383 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 8,392 Value ($000) $1,997 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 6,614 Value ($000) $1,527 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 6,000 Value ($000) $1,190 Avg Close $175.85 Range $153.18 - $197.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,566	$2,511	$265.71	$251.04 - $281.41
Q3 2025	10,959	$3,001	$270.32	$253.71 - $284.56
Q2 2025	11,008	$2,966	$252.35	$219.93 - $269.19
Q1 2025	10,034	$2,351	$249.61	$225.31 - $270.90
Q4 2024	10,034	$2,351	$245.53	$230.70 - $259.26
Q3 2024	9,332	$2,383	$241.07	$217.65 - $253.31
Q2 2024	8,392	$1,997	$227.14	$213.29 - $242.24
Q1 2024	6,614	$1,527	$207.94	$189.63 - $227.85
Q4 2023	6,000	$1,190	$175.85	$153.18 - $197.06