MP MATERIALS CORP

Ticker: MP CUSIP: 553368101 Class: EQTY

Polymer Capital Management (US) LLC's Holding History (CIK: 0001973324)

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

Q4 2025

Shares 1,679 Value ($000) $85 Avg Close $63.41 Range $49.76 - $100.25

Q3 2025

Shares 54,812 Value ($000) $3,676 Avg Close $62.91 Range $29.58 - $82.50

Q2 2025

Shares 100,000 Value ($000) $3,327 Avg Close $25.52 Range $18.64 - $39.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,679	$85	$63.41	$49.76 - $100.25
Q3 2025	54,812	$3,676	$62.91	$29.58 - $82.50
Q2 2025	100,000	$3,327	$25.52	$18.64 - $39.10