CENTURY ALUM CO

Ticker: CENX CUSIP: 156431108 Class: EQTY

NATIXIS ADVISORS, L.P.'s Holding History (CIK: 0001018331)

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

Q4 2025

Shares 23,915 Value ($000) $1 Avg Close $31.24 Range $25.40 - $40.83

Q3 2025

Shares 19,859 Value ($000) $1 Avg Close $22.67 Range $17.75 - $30.08

Q2 2025

Shares 19,060 Value ($000) $0 Avg Close $16.98 Range $13.05 - $20.43

Q1 2025

Shares 17,486 Value ($000) $0 Avg Close $19.21 Range $16.30 - $22.92

Q4 2024

Shares 17,176 Value ($000) $0 Avg Close $19.65 Range $14.89 - $25.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	23,915	$1	$31.24	$25.40 - $40.83
Q3 2025	19,859	$1	$22.67	$17.75 - $30.08
Q2 2025	19,060	$0	$16.98	$13.05 - $20.43
Q1 2025	17,486	$0	$19.21	$16.30 - $22.92
Q4 2024	17,176	$0	$19.65	$14.89 - $25.39