ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

THURSTON, SPRINGER, MILLER, HERD & TITAK, INC.'s Holding History (CIK: 0000319933)

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

Q4 2025

Shares 2,569 Value ($000) $674 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 920 Value ($000) $252 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 12,058 Value ($000) $3,249 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 10,361 Value ($000) $2,627 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 8,130 Value ($000) $1,905 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 6,728 Value ($000) $1,718 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 6,173 Value ($000) $1,469 Avg Close $227.14 Range $213.29 - $242.24

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,569	$674	$265.71	$251.04 - $281.41
Q3 2025	920	$252	$270.32	$253.71 - $284.56
Q2 2025	12,058	$3,249	$252.35	$219.93 - $269.19
Q1 2025	10,361	$2,627	$249.61	$225.31 - $270.90
Q4 2024	8,130	$1,905	$245.53	$230.70 - $259.26
Q3 2024	6,728	$1,718	$241.07	$217.65 - $253.31
Q2 2024	6,173	$1,469	$227.14	$213.29 - $242.24