DENISON MINES CORP

Ticker: DNN CUSIP: 248356107 Class: COM

GeoSphere Capital Management, LLC's Holding History (CIK: 0001426876)

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

Q4 2025

Shares 1,400,000 Value ($000) $3,724 Avg Close $2.72 Range $2.20 - $3.42

Q3 2025

Shares 1,700,000 Value ($000) $4,675 Avg Close $2.21 Range $1.67 - $2.95

Q2 2025

Shares 1,300,000 Value ($000) $2,366 Avg Close $1.52 Range $1.08 - $1.90

Q4 2024

Shares 1,000,000 Value ($000) $1,800 Avg Close $2.10 Range $1.79 - $2.47

Q2 2023

Shares 2,000,000 Value ($000) $2,500 Avg Close $1.11 Range $0.98 - $1.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,400,000	$3,724	$2.72	$2.20 - $3.42
Q3 2025	1,700,000	$4,675	$2.21	$1.67 - $2.95
Q2 2025	1,300,000	$2,366	$1.52	$1.08 - $1.90
Q4 2024	1,000,000	$1,800	$2.10	$1.79 - $2.47
Q2 2023	2,000,000	$2,500	$1.11	$0.98 - $1.31