Phoenix Feasibility Study 2023
22.5% Denison-owned McClean Lake Property:
SABRE mining method has potential to unlock value from unmined deposits close to mill
SABRE
mining
Patented
SABRE mining
method
Successful 5-year
test mining
program for
"Surface Access
Borehole Resource
Extraction" (SABRE)
mining method
Mined four cavities
of McClean North
deposit in 2021 to
produce -1,500
tonnes of high-
value ore (1)
Orano
Canada Inc.
French nuclear
giant serves as
project operator
and is owner of
77.5% interest
method is
property of
| McClean Lake JV
| with patent issued
in 2016
17.8M
lbs U₂Og
Indicated Mineral
Resources(2)
(100% basis)
Combined 374,900
tonnes @ 2.22% U308
for the Caribou, Sue D
and McClean North
deposits
| 4,258
Hectares
4 mineral leases
(1,147 hectares)
plus 13 mineral
claims (3,111
hectares)
To Evaluate
The use of the
SABRE mining
method for use on
unmined McClean
Lake deposits(1)
7.6M
lbs U₂Og
Inferred Mineral
Resources (2)
(100% basis)
Combined 510,900
tonnes @ 0.68% U308
| for the Sue D, Sue E,
and McClean North
deposits
T
8.67% U30%
| over 13.5 metres
Discovered "new"
mineralization at
| McClean South(3) in
2021 + expanded
footprint in 2022(4)
Lenison
PHOTO:
2021 SABRE test mining
program in action, with
view of specialized mining
pipes in inset photo.
LINKS:
McClean Lake Project
Page on Denison Website
NOTES:
(1) See Denison's news
release dated November
3, 2021.
(2) See Denison's current
Annual Information Form
for additional details
regarding the McClean
Lake deposits and SABRE
mining method.
(3) See Denison's current
Annual Information Form.
(4) See Denison's news
release dated September
8, 2022.
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