PERIMETER SOLUTIONS INC

Ticker: PRM CUSIP: 71385M107 Class: Common Stock

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2025

Shares 2,259,089 Value ($000) $62,193 Avg Close $25.26 Range $19.70 - $29.78

Q3 2025

Shares 2,767,739 Value ($000) $61,970 Avg Close $18.95 Range $13.79 - $23.79

Q2 2025

Shares 3,395,447 Value ($000) $47,265 Avg Close $11.54 Range $8.76 - $14.30

Q1 2025

Shares 3,395,447 Value ($000) $34,192 Avg Close $11.22 Range $8.90 - $14.05

Q4 2024

Shares 3,703,158 Value ($000) $47,326 Avg Close $13.06 Range $11.75 - $14.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,259,089	$62,193	$25.26	$19.70 - $29.78
Q3 2025	2,767,739	$61,970	$18.95	$13.79 - $23.79
Q2 2025	3,395,447	$47,265	$11.54	$8.76 - $14.30
Q1 2025	3,395,447	$34,192	$11.22	$8.90 - $14.05
Q4 2024	3,703,158	$47,326	$13.06	$11.75 - $14.44