DENISON MINES CORP

Ticker: DNN CUSIP: 248356107 Class: COM

Summit Financial, LLC's Holding History (CIK: 0001765536)

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

Q4 2025

Shares 2,379,247 Value ($000) $6,329 Avg Close $2.72 Range $2.20 - $3.42

Q3 2025

Shares 2,379,247 Value ($000) $6,543 Avg Close $2.21 Range $1.67 - $2.95

Q2 2025

Shares 2,379,247 Value ($000) $4,330 Avg Close $1.52 Range $1.08 - $1.90

Q1 2025

Shares 2,379,247 Value ($000) $3,093 Avg Close $1.67 Range $1.27 - $2.19

Q4 2024

Shares 2,379,247 Value ($000) $4,283 Avg Close $2.10 Range $1.79 - $2.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,379,247	$6,329	$2.72	$2.20 - $3.42
Q3 2025	2,379,247	$6,543	$2.21	$1.67 - $2.95
Q2 2025	2,379,247	$4,330	$1.52	$1.08 - $1.90
Q1 2025	2,379,247	$3,093	$1.67	$1.27 - $2.19
Q4 2024	2,379,247	$4,283	$2.10	$1.79 - $2.47