PERIMETER ACQUISITION CORP I

Ticker: PMTR CUSIP: G7010A129 Class: COM CL A

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q4 2025

Shares 1,500,000 Value ($000) $15,420 Avg Close $10.32 Range $10.15 - $10.67

Q3 2025

Shares 1,500,000 Value ($000) $15,375 Avg Close $10.22 Range $10.08 - $10.32

Q2 2025

Shares 1,500,000 Value ($000) $15,255 Avg Close $10.17 Range $10.09 - $11.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,500,000	$15,420	$10.32	$10.15 - $10.67
Q3 2025	1,500,000	$15,375	$10.22	$10.08 - $10.32
Q2 2025	1,500,000	$15,255	$10.17	$10.09 - $11.00