factsheet cariboo | Osisko Development Corp. Source Brief

Briefing

2025 FEASIBILITY: ROBUST FREE CASH FLOW PROFILE1,2 after-tax, C$ millions Gold payable production (koz) 223 207 207 199 176 181 183 177 171 +$163 112 Incremental Free Cash Flow US$3,300/oz Au +$141 +$244 +$138 +$121 +$135 +$150 +$146 +$141 $389 +$95 Free cash flow $315 Base Case $291 $256 $227 $225 $220 $217 $201 US$2,400/oz Au $145 1 2 3 4 5 6 7 8 9 10 Years DEVELOPING A MINING CAMP  District-scale exploration upsi Key points: 2025 FEASIBILITY: ROBUST FREE CASH FLOW PROFILE1,2 after-tax, C$ millions Gold payable production (koz) 223 207 207 199 176 181 183 177 171 +$163 112 Incremental Free Cash Flow US$3,300/oz Au +$141 +$244 +$138 +$121 +$13; The Illustrative Spot Price Scenario has not been adjusted to account for any other variables which may affect after-tax NPV5%, after-tax IRR, payback from commercial production or average annual free cash flow in such s; Selected Canadian Operating Underground Mines* POTENTIAL AT DEPTH: Cariboo's deposit has only been drilled to an average depth of ~350 m and remains open along strike and at depth *The comparative graphic presented is co. This brief is based on the cited source artifact and is intended as a research entry point, not a replacement for the original source or EGM canonical data tables.

Source Notes

2025 FEASIBILITY: ROBUST FREE CASH FLOW PROFILE1,2 after-tax, C$ millions Gold payable production (koz) 223 207 207 199 176 181 183 177...

Extractive summary evidence · source

The Illustrative Spot Price Scenario has not been adjusted to account for any other variables which may affect after-tax NPV5%, after-tax IRR,...

Extractive summary evidence 2 · source

Selected Canadian Operating Underground Mines* POTENTIAL AT DEPTH: Cariboo's deposit has only been drilled to an average depth of ~350 m and...

Extractive summary evidence 3 · source

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# factsheet cariboo

Source: https://osiskodev.com/_resources/fact-sheets/factsheet-cariboo.pdf
Fetched: 2026-05-12T13:32:29.479+00:00
Source artifact: d94aa3e6-970f-4765-9efb-82ca586ee530
Normalizer input: text

## Content

# factsheet cariboo
JAN 2026
CARIBOO GOLD PROJECT
ASSET SNAPSHOT
100% >185,000 HA FEASIBILITY STUDY UNDERGROUND
OWNED BC, CANADA PERMITTED3 MINE TYPE
ADVANCING A HISTORICAL CANADIAN GOLD
MINING CAMP
Advanced stage feasibility level gold project located
in central BC in the historical Barkerville mining camp
(~74 km E of Quesnel, ~115 km SE of Prince George)
Two prospective mineralized trends over 83 km strike
of mineral targets providing prospective opportunities for
future discoveries (>700,000 meters drilled since 2015)
Brownfield site, year-round access, infrastructure and
work force, and strong support from the BC government
and Indigenous nations
Upcoming catalysts:
PERMITS FS STUDY PROJECT FINANCING FID/CONSTRUCTION
(GRANTED Q4 2024) (Q1 2025) (H2 2025) (H1 2026)
CARIBOO FEASIBILITY STUDY CARIBOO MINERAL RESERVES & RESOURCES
April 20251 April 20251
TONNES GOLD GRADE CONTAINED AU
10 YEAR 190KOZ/YR US$947/OZ CATEGORY (000's) (g/t Au) (000's oz)
MINE LIFE LOM PRODUCTION TOTAL CASH COST2
PROBABLE RESERVES 17,815 3.62 2,071
US$1,157/OZ US$652M 1.89MOZ MEASURED 47 5.06 8
AISC2 INITIAL CAPEX RECOVERED GOLD
RESOURCES
INDICATED 17,332 2.88 1,604
$2,400/OZ AU $4,500/OZ AU $2,400 | $4,500/OZ AU
M+I 17,380 2.88 1,612
C$0.94B|22.1% C$3.43B|53.8% C$158|C$479M/YR
NPV5% | IRR NPV5% | IRR FREE CASH FLOW2 INFERRED 18,774 3.09 1,864
1. Refer to the Cariboo Technical Report for the assumptions, qualifications and limitations relating to disclosure about the 2025 Cariboo FS on the Cariboo Gold Project.. Illustrative spot price scenario is based on the LBMA gold price as of the close of business on January 14, 2026, rounded to the nearest $100/oz in the
2025 Cariboo FS sensitivity table and the USDCAD exchange rate is based on the Bank of Canada daily exchange rate on January 14, 2026, rounded to nearest five cents (1.40). The Illustrative Spot Price Scenario has not been adjusted to account for any other variables which may affect after-tax NPV5%, after-tax IRR,
payback from commercial production or average annual free cash flow in such scenario, including, but not limited to, changes in Company capital expenditures and increases to development, operating, financing and other costs. 2. This is a non-IFRS measure. 3. The Company was granted the BC Mines Act permits on
November 20, 2024 and the Environmental Management Act permits on December 12, 2024.
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CARIBOO GOLD PROJECT
ASSET SNAPSHOT
EXPLORATION Illustrative Comparison of Cariboo Gold vs. Selected Canadian Operating Underground Mines*
POTENTIAL AT
DEPTH:
Cariboo's deposit has
only been drilled to an
average depth of ~350
m and remains open
along strike and at
depth
*The comparative graphic presented is conceptual in nature for illustrative purposes only and not intended imply that Cariboo will necessarily achieve the same ultimate depth or production as the selected comparable mines. The comparison is not exhaustive.
2025 FEASIBILITY: ROBUST FREE CASH FLOW PROFILE1,2
after-tax, C$ millions
Gold payable production (koz)
223
207 207
199
176 181 183 177 171
+$163 112
Incremental
Free Cash Flow
US$3,300/oz Au +$141
+$244
+$138
+$121 +$135 +$150 +$146
+$141
$389 +$95
Free cash flow $315
Base Case $291
$256 $227 $225 $220 $217 $201
US$2,400/oz Au
$145
1 2 3 4 5 6 7 8 9 10
Years
DEVELOPING A MINING CAMP
 District-scale exploration upside in under-explored Cariboo Gold
Belt
 High degree of confidence in geological model with anomalous
gold values >2.0 g/t Au in ~80% of drill holes
 >185,000 ha property with 83 kilometers strike of gold targets
 ~700,000 meters drilled since 2015
 Strong support from the BC government
 Year-round exploration and access, infrastructure and work
force
1. Refer to the Cariboo Technical Report for the assumptions, qualifications and limitations relating to disclosure about the 2025 Cariboo FS on the Cariboo Gold Project. 2. This is a non-IFRS measure.
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