DENISON MINES CORP

Ticker: DNN CUSIP: 248356107 Class: COM

Triasima Portfolio Management inc.'s Holding History (CIK: 0001938757)

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

Q4 2025

Shares 719,434 Value ($000) $1,910 Avg Close $2.72 Range $2.20 - $3.42

Q3 2025

Shares 566,320 Value ($000) $1,559 Avg Close $2.21 Range $1.67 - $2.95

Q1 2025

Shares 348,688 Value ($000) $455 Avg Close $1.67 Range $1.27 - $2.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	719,434	$1,910	$2.72	$2.20 - $3.42
Q3 2025	566,320	$1,559	$2.21	$1.67 - $2.95
Q1 2025	348,688	$455	$1.67	$1.27 - $2.19