ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

Rossby Financial, LCC's Holding History (CIK: 0002056510)

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

Q4 2025

Shares 883 Value ($000) $232 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 1,892 Value ($000) $510 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 1,934 Value ($000) $521 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 1,924 Value ($000) $458 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 2,032 Value ($000) $476 Avg Close $245.53 Range $230.70 - $259.26

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	883	$232	$265.71	$251.04 - $281.41
Q3 2025	1,892	$510	$270.32	$253.71 - $284.56
Q2 2025	1,934	$521	$252.35	$219.93 - $269.19
Q1 2025	1,924	$458	$249.61	$225.31 - $270.90
Q4 2024	2,032	$476	$245.53	$230.70 - $259.26