NioCorp Investor Presentation Deck
1970:
Discovery of a
gravity anomaly
during an
airborne gravity
geophysical
survey by State
of Neb.
HH
~500 million
years ago:
carbonatite
genesis.
~200 million
years ago:
Limestone cap
formed over
carbonatite.
1971:
Initial
exploratory
hole drilled
1973:
Molycorp
starts
exploration
after
assembling a
land
package
(NN-1),
discovering
carbonatite
NioCorp
Critical Mineral Security
Progression to a Highly De-Risked Critical Minerals Project
1986:
Molycorp halts
exploration and
calculates an
2022:
NioCorp issues
updated NI 43-101-
compliant
technical report
and filed first S-K
1300-compliant
technical report
summary based
on June 2022
Feasibility Study
initial resource;
Elk Creek
Project not
advanced due
to Molycorp's
interest in other
projects
1978:
Molycorp
discovers
Niobium
resource
2012:
First
NI 43-101
compliant
resource
report
2009:
NioCorp
assembles
land
package
and
resumes
exploration
2014:
ThyssenKrupp
Metallurgical
contracts for
50% of planned
FeNb
production over
first 10 years
2014/2015:
Additional
resource,
geotechnical,
hydrogeology
drilling and site
investigations
2018:
Traxys N.A.
contracts for up
to 12 tonnes/
year of planned
Scandium
production over
first 10 years
2016:
CMC
Cometals
contracts for
25% of
planned
FeNb
production
over first 10
years²
2021:
NioCorp
acquires key
land parcel
and mineral
rights to 90%+
of Mineral
Resource &
Reserve
2017/2019/
2022:
Feasibility
Studies
published
2022:
NioCorp
launches
demonstration
plant to
optimize
processing
and measure
rare earth
recoveries
2024:
NioCorp expects
to issue updated
Feasibility Study
incorporating
rare earth
economics
Nb,0, (%)
L
The Elk Creek
Resource¹
Indicated
Total drilling: 68,334 meters
(42 miles)
• Resource dimensions: 830
meters strike, 500 meters
wide, 850 meters dip
Inferred
• Majority (~90%) of resource is
under NioCorp-owned
property; the remainder is
under optioned property to
the West
1 Based on the 2022 Elk Creek Technical Report. See "Mineral Reserves and Resources" in the Disclaimers & Technical Disclosures at the beginning of this presentation.
2 Contract subsequently assigned by CMC Cometals to Traxys Cometals USA, LLC.
• Potential expansion of the
deposit to the NW, to the SE,
at depth, and in the center.
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