PERIMETER SOLUTIONS INC

Ticker: PRM CUSIP: 71385M107 Class: Common Stock

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q4 2025

Shares 1,644,081 Value ($000) $45,262 Avg Close $25.26 Range $19.70 - $29.78

Q3 2025

Shares 2,049,340 Value ($000) $45,885 Avg Close $18.95 Range $13.79 - $23.79

Q2 2025

Shares 2,097,551 Value ($000) $29,198 Avg Close $11.54 Range $8.76 - $14.30

Q1 2025

Shares 1,919,280 Value ($000) $19,327 Avg Close $11.22 Range $8.90 - $14.05

Q4 2024

Shares 1,953,126 Value ($000) $24,961 Avg Close $13.06 Range $11.75 - $14.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,644,081	$45,262	$25.26	$19.70 - $29.78
Q3 2025	2,049,340	$45,885	$18.95	$13.79 - $23.79
Q2 2025	2,097,551	$29,198	$11.54	$8.76 - $14.30
Q1 2025	1,919,280	$19,327	$11.22	$8.90 - $14.05
Q4 2024	1,953,126	$24,961	$13.06	$11.75 - $14.44