This corporate presentation from Solaris Resources provides an overview of the company's copper and gold portfolio in the Americas. Solaris' flagship project is the high-grade Warintza copper project in Ecuador, which has an open pit resource within a large area with potential for further discoveries. The company is also exploring earlier stage projects in Chile and Peru for further growth potential. Solaris' exploration programs were designed by David Lowell and are led by Jorge Fierro to leverage drilling for resource growth and new discoveries. The company has a strong cash position and shareholder base including Equinox Gold.

1. Copper, Gold Growth and Discovery in the Americas
Corporate Presentation
November 2021
World’s Greatest Explorer –
Assembled Portfolio, Designed Programs,
Our Discoveries Honor His Legacy

2. 2
This presentation does not constitute an offering of securities and the information contained herein is subject to the information contained in the Company's continuous disclosure documents. All amounts expressed in
Canadian $ unless otherwise stipulated.
Forward-looking Statements
This presentation includes certain statements that constitute "forward-looking statements", and "forward-looking information" within the meaning of applicable securities laws (collectively, "forward-looking
statements"). All statements, other than statements of historical fact, are forward-looking statements. These statements appear in a number of places in this presentation and include statements made with respect to
anticipated exploration and development activities. When used in this presentation words such as "intends", "expects", "will be", "underway", "targeted", "planned", "objective", "expected", "potential", "continue",
"estimated", "would", "subject to" and similar expressions are intended to identify these forward-looking statements. Although Solaris Resources Inc. (the "Company") believes that the expectations reflected in such
forward-looking statements are reasonable, undue reliance should not be placed on forward-looking statements since the Company can give no assurance that such expectations will prove to be correct. These
statements involve known and unknown risks, uncertainties and other factors that may cause actual results or events to differ materially from those anticipated in such forward-looking statements, including risks
related to the business of the Company; global outbreaks and contagious diseases (including COVID-19); business and economic conditions in the mining industry generally; the supply and demand for labour and other
project inputs; adverse claims made by local communities; changes in commodity prices; unanticipated exploration and development challenges (including failure of equipment or processes to operate in accordance
with specifications or expectations, cost escalation, unavailability of materials and equipment, government action or delays in the receipt of government approvals, industrial disturbances or other job action, and
unanticipated events related to health, safety and environmental matters); adverse weather conditions; political risk and social unrest; changes in interest and currency exchange rates; and the risks, uncertainties and
other factors identified in the Company's periodic filings with Canadian securities regulators.
These forward-looking statements were derived using numerous assumptions, including assumptions regarding general business and economic conditions; the Company’s ability to develop and maintain relationships
with local communities (including the local Shuar Centres of Warints and Yawi); commodity prices; anticipated costs and expenditures; the Company’s ability to advance exploration efforts at Warintza and its other
projects; and the results of such exploration efforts. While the Company considers these assumptions to be reasonable based on information currently available, they may prove to be incorrect. Forward-looking
statements speak only as of the date those statements are made. Except as required by applicable law, we assume no obligation to update or to publicly announce the results of any change to any forward-looking
statement contained herein to reflect actual results, future events or developments, changes in assumptions or changes in other factors affecting the forward- looking statements. If we update any forward-looking
statements, no inference should be drawn that we will make additional updates with respect to other forward-looking statements. All forward-looking statements contained in this presentation are expressly qualified in
their entirety by this cautionary statement.
Technical Information
The technical information contained in this document has been reviewed and approved by Jorge Fierro, M.Sc., DIC, PG, Vice President Exploration of Solaris who is a “Qualified Person” as defined in National Instrument
43-101 Standards of Disclosure for Mineral Projects. Jorge Fierro is a Registered Professional Geologist through the SME (registered member #4279075). Unless otherwise disclosed, all technical information related to
Warintza is based on the “Resource Estimate of the Warintza Central Cu-Mo Porphyry Deposit" prepared by Equity Exploration Consultants Inc. with an effective date of December 13, 2019.
Cautionary Note to U.S. Investors Concerning Estimates of Mineral Resources
The mineral resource estimates described in this presentation have been prepared in accordance with the requirements of Canadian securities laws, which differ from the requirements of U.S. securities laws. The terms
"mineral resource", "measured mineral resource", "indicated mineral resource" and "inferred mineral resource" are defined in accordance with Canadian National Instrument 43 101— Standards of Disclosure for
Mineral Projects (“NI 43 101”) and the Canadian Institute of Mining, Metallurgy and Petroleum (the “CIM”) – CIM Definition Standards on Mineral Resources and Mineral Reserves, adopted by the CIM Council, as
amended. These definitions differ from the definitions in requirements under United States securities laws adopted by the United States Securities and Exchange Commission. Under Canadian rules, estimates of
inferred mineral resources may not form the basis of feasibility or pre-feasibility studies, except in rare cases. Investors are cautioned not to assume that all or any part of an inferred mineral resource exists or is
economically or legally mineable. An “inferred mineral resource” is that part of a mineral resource for which quantity and grade or quality are estimated on the basis of limited geological evidence and sampling.
Geological evidence is sufficient to imply but not verify geological and grade or quality continuity. An inferred mineral resource has a lower level of confidence than that applying to an indicated mineral resource and
must not be converted to a mineral reserve. It is reasonably expected that the majority of inferred mineral resources could be upgraded to indicated mineral resources with continued exploration. Investors are
cautioned not to assume that all or any part of mineral resources determined in accordance with NI 43-101 and CIM standards will qualify as, or be identical to, mineral resources estimated under the standards of the
SEC applicable to U.S. companies. Accordingly, information contained in this presentation may not be comparable to similar information made public by U.S. companies subject to the reporting and disclosure
requirements under the United States federal securities laws and the rules and regulations thereunder.
Forward-Looking and Cautionary Statements

3. 3
Tamarugo
Ricardo
La Verde
Warintza
Peru JVs
Leverage through drilling to
multiple-times resource growth
and discovery potential
Solaris is responsibly and sustainably advancing a
portfolio of copper and gold projects in the
Americas:
Focused on Flagship Warintza, Ecuador –
High-grade, open pit resource within 7km x 5km cluster of
outcropping copper porphyries targets; untested gold
potential
Discovery Potential –
Advancing Tamarugo and Ricardo in Chile and Capricho
and Paco Orco in Peru
Exploration Programs Designed by David Lowell –
Assembled portfolio and designed programs led by
Ecuadorian protégé, Jorge Fierro, VP, Exploration
Managed by the Augusta Group –
Highly-specialized in exploration and development,
unrivaled track record of over $4.5B exits / 10 yrs
Project Portfolio | Multiple-Times Growth and Discovery Potential

4. 4
¹ Cash position and capital structure as at June 30, 2021
² Source: Bloomberg - Based on transaction value
TSX SLS
Common Shares Outstanding 108M
Stock Options 8M
Warrants 39.0M / $87M
Restricted Share Units 0.5M
Diluted Shares Outstanding 155M
Cash US$60M
Capital Structure
Capital Structure¹
0
5
10
15
0
20
40
60
80
Q2/20 Q4/20 Q1/21 Q2/21 Q3/21 Q4/21
Price
($/sh)
Buying
($M)
$128M of insider buying over LTM
Leading all issuers in TSX materials sector²
Ross Beaty
Chair, Equinox Gold Corp.
[Equinox] has no further plans to divest
any shares for the foreseeable future.
Warintza would be of interest to any major mining
company, so I fully expect not too far away, maybe
this year, they'll get an offer they can't refuse and
we will be more than happy to exit with them.
Richard Warke
33%
Equinox Gold 16%
Lundin 5%
Mgmt 5%
Beaty 4%
Lowell 2%
Float
35%
Share Distribution

5. 5
Richard Warke, Executive Chairman
Arizona Mining, Equinox Gold,
Augusta Resource, Ventana Gold
Daniel Earle, President & CEO
TD Securities
Sunny Lowe, CFO
INV Metals Inc., Kinross Gold Corp., Inmet Mining
Purni Parikh, SVP Corporate Affairs
Arizona Mining, Augusta Resource, Ventana Gold
Federico Velasquez, VP Operations
Equinox Gold, Anglo American, Alta Gas
Chad Wolahan, VP Projects
Ivanhoe Mines, Stantec, Newcrest
Jorge Fiero, VP Exploration
Equinox Gold, Lowell Copper, BHP
Tom Ladner, VP Legal
Augusta Gold, Titan Mining, BLG LLP
Jacqueline Wagenaar, VP Investor Relations
Guyana Goldfields
Greg Smith, Director
Equinox Gold, Esperanza Resources,
Minefinders
Donald Taylor, Director
Arizona Mining, BHP Minerals, Bear Creek
Kevin Thomson, Director
Barrick, Davies Ward Phillips & Vineberg LLP
Ron Walsh, Director
Walsh King LLP, Canadian Tax Foundation,
Vancouver Stock Exchange
Board & Management
Strategic Partners
Equinox Gold Corp.
Equinox Gold is an emerging mid-tier Canadian gold
producer, dual-listed in Canada and the US. The
company has a reserve base of over 12 Moz, with six
mines in production and two more in development,
providing an organic growth profile to over 1Moz
annual production by 2022.
Lukas Lundin
Lundin Group has led companies to numerous
discoveries and major transactions, including Lundin
Mining’s $3.3B merger with EuroZinc, the $2.0B sale of
Tanganyika Oil, and the $7.1B sale of Red Back Mining.
Ross Beaty
Ross Beaty is a serially-successful resource
entrepreneur and founder of Pan American
Silver ($3.5B), Alterra Power ($1.1B) and Lumina
Copper, a company that turned $170M in
financing into five separate companies
generating $1.4B in shareholder value over 10
years.
Augusta Group
Mining sector-focused management group based in
Canada and the U.S. with an unrivaled track record of
value creation totaling over $4.5B in exit transactions
since 2011 and has strategic partnerships with leading
entrepreneurs in the mining sector.
Richard Warke
Richard Warke has led multiple successful mining
companies, including Ventana Gold (sold for $1.6B);
Augusta Resource (sold for $670M); Co-Founded to
form Equinox Gold ($2.5B Market Cap); and Arizona
Mining (sold for $2.1B).
Leadership | Track Record of Success

6. 6
El Teniente
Mirador, 2001
Pierina, 1996
Toromocho, 2005
Los Calatos, 1992
Maria Rosa, 1985
Leonor, 1989
San Cristobal, 1985
Zaldivar, 1981
Escondida, 1981
Bajo Alumbrera, 1968
Andina
Los Bronces
Los Pelambres
Radomiro Tomic
Spence
Chuquicamata
Collahuasi
Toquepala
Cerro Verde
Antamina
Warintza, 2000
David Lowell made more discoveries of greater
consequence than anyone in history, with over a
dozen major discoveries, including the largest copper
mine in the world, La Escondida, which produced
~$10B of copper last year.
Assembled our pipeline of grassroots exploration
projects targeting future discoveries; programs led by
his protégé, Jorge Fierro, VP, Exploration.
Co-defined porphyry copper deposit model in 1970.
Direct application led to first discoveries (exposed
deposits); evolved technique for second wave
discoveries (obscured deposits); final evolution
targets blind discoveries.
Lowell Discoveries
Major Mines
Obscured Deposits (80-90s)
Partly covered by capping, cover,
e.g., La Escondida
Blind Deposits (2000-Future)
Completely covered or deep,
e.g., Tamarugo, Ricardo
Exposed Deposits (60-80s)
Alteration systems visible from air,
e.g., Bajo Alumbrera, San Cristobal
David Lowell | World’s Greatest Explorer (1928-2020)
6

7. 7
Canada-based management group, focused on mining sector
Highly-specialized in exploration and development stage projects
Unrivaled track record of creating value, with over $4.5B in exit transactions
Part of The Augusta Group | Unrivaled Track Record of Value Creation
Sold for $1.6B in 2011 Sold for $667M in 2014 Co-Founded in 2017;
$2.5B Market Cap
Sold for $2.1B in 2018
Past Returns
(12,960% return) (3,300% return) (6,100% return) (1,300% return)
Note: The results for Ventana Gold Corp., Augusta Resource Corp., Equinox Gold. and Arizona Mining Inc. are independent of the results of Solaris Resources and are no guarantee of the future performance.
Undue reliance should not be placed thereon when considering an investment in Solaris.

8. 8
We focus on limiting our environmental impacts by:
• Responsible use of resources
• Minimal impact to environment
• Reducing waste
• Identify, analyze and manage our environmental risks
We act in a socially responsible manner and contribute
to the communities in which we operate.
• Committed to working transparently with our
employees and other stakeholders to create growth
and prosperity
• Established a committee to provide us with feedback
on our corporate social responsibility efforts
We act in an ethically responsible manner and
uphold our core values using our:
• Governance Policies and Management Systems
• Active participation in leading management and
disclosure initiatives and industry best practices
Environment
Social
Governance
Responsible Mining | Environmental, Social and Governance

9. 9
Enact
prior
consultation
norm
for
indigenous
peoples
Special
Commission
to
Control
Illegal
Mining
Upgrade
systems
to
enable
Ecuador | Robust Support for Responsible Mining Development
Guillermo Lasso - Strong Support for Mining Sector
o Conservative, successful self-made entrepreneur; high credibility
and popularity; agenda of private sector economic revitalization
o Emphasizes foreign investment in formal mining sector critical to
grow economy, employment, infrastructure and tax base
o Demands social development alongside project development,
highest environmental standards
“In the medium term, Ecuador could turn into a major
mineral exporting country, such as Peru and Chile”
“I would like to congratulate and thank those visiting us from
abroad, for their presence supports start-ups born from the
communication between companies and communities, as in the
case of Solaris in the province of Morona Santiago”
Guillermo Lasso,
President of Ecuador
9
“This will be the decade of mining in Ecuador”
“By 2030, we hope that mining will be attracting billions of dollars
of investment, generating billions of dollars in annual exports and
employing hundreds of thousands of Ecuadorians”
“As a government we are clear that mining needs to develop
because it is the future of the country"
Juan Carlos Bermeo Calderón,
Min. of Energy and Non-Ren. Natural Res.
1. Bloomberg Barclays index
-30.0%
-20.0%
-10.0%
0.0%
10.0%
20.0%
30.0%
40.0%
January-21 March-21 May-21 July-21
Bloomberg Barclays Emerging Markets Aggregate Index
Bloomberg Barclays EM USD Aggregate: Ecuador Total Return Index Unhedged USD
Markets Celebrate election of
Guillermo Lasso as President
Strengthened regulatory and
streamlined permitting environment
Ecuador’s sovereign
bonds have rallied
41% since election,
leading all emerging
market debt¹ globally
Mining Boost in 2020:
$921M exports (4% of total)
$430M corporate taxes (22%)
$374M FDI (46%)
Executive Decree 151
Signed by President Lasso August 5
Defines Mining Policy for Ecuador
Major expansion of formal mining
sector through foreign investment

10. 10
Responsible Mining | New Model for Responsible Mining in Ecuador
Warintza Success Story
World class discovery by David Lowell in 2000, sat
largely dormant since 2001 due to a breakdown in
social acceptance from local communities
Extensive dialogue led to understanding root causes
of conflict, resolution of underlying issues mid-2019;
instituted an informed, innovative CSR program
Government-Sponsored Prior Consultation process
and signed Memorandum of Understanding in 2019,
Impacts and Benefits Agreement in 2020
Warintza Model
Inclusive development model based on transparency,
dialogue, and trust relationship between government,
communities and company with the objective of
sustainable socio-economic development of
community and people together with project
Strategic Alliance governed by Board of Directors from
host Shuar Centres; community development alongside
project, with investments in health, education, training,
infrastructure, environment, entrepreneurship, gender
equality, labor, cultural and human rights and security
There are very successful projects,
such as Solaris’ Warintza project,
which shows that with good
on-site management, transparent
dialogue, and community
participation, very interesting
things can be achieved.
Not all mining companies have these
policies, nor do all companies have that
level of commitment.
Xavier Vera Grunauer
Vice Minister of Mines, Ecuador
The Shuar Centres of Warints and
Yawi have been working with
Solaris for more than three years
in the exploration and study of our
Ancestral Lands.
It has been a partnership, with two-way
learning and knowledge exchange.
Vincente Tsakimp
Indigenous Leader,
Warintza Project Strategic Alliance

11. 11
Warintza Community
Population
Community Number
Warints 300
Yawi 200
Total 500
Direct Community
Employment
Community Number
Warints, Yawi 197
Amazonia sector 174
Resto del país 50
Total 421
Responsible Mining | Partnership with Host Communities
“I took a tour of the project, which fills me with joy to know
that the community and the Company are closely linked to
each other. It is a company that has won the affection of the
people of Warints and Yawi.”
‘The communities {possess a] worldview of wanting to have
better living conditions to raise their children and, through their
dignified work, will improve conditions and that has to do with
the presence of the Company boosting the families' economy.’
Freddy Villamagua
Governor of Morona Santiago, Ecuador
Community involvement at each step,
enhanced with capacity-building program
Maximizing community involvement
key to strong and resilient alliance
Innovative approach: commitment to
transparency, education and inclusion
Government and community understanding
of impacts and benefits of project
Over 420+ direct and indirect service providers

12. 12
Mining District | Natural Cost Advantage with Excellent Infrastructure
268km2 property, 100%-owned;
40km north of Mirador mine (US$1.4B / 20 Mtpa),
Access road to nearby highway connecting Pacific ports,
transmission lines, airport, skilled labour, fresh water
Access to grid power (hydroelectric), adjacent Santiago G8
development (US$4B / 3,600MW)
Primary Infrastructure: Natural Cost Advantage
Ecuador Cost Advantage Relative to Chile¹
Capex Savings Opex Savings
Access $100M Low Elevation 6%
Power $200M Hydro Power 8%
Water $750M Fresh Water 6%
Ports $300M Labour Costs 5%
Capex Savings $1,350M Opex Savings 25%
1. Mine Cost Survey 2020. Actual results may vary, and undue reliance should not be placed on Solaris being able to achieve capex and cost savings
2. Adjacent Properties and infrastructure are independent of Solaris. Readers should not infer that Solaris will obtain similar results to adjacent properties and undue reliance should not be placed thereon
when considering an investment in Solaris

13. 13
Warintza Project | Resource Growth and Discovery Drilling
1. See “Resource Estimate” and “Detailed Drill Results” in the Appendix
to this presentation for additional information. Source: The exploration
disclosure in this slide is based upon Company news releases dated
Feb 16, Jul 7&20, Sept 7&27, Oct 12&25, and Nov 1, 2021.
WARINTZA
CENTRAL
Two Objectives: Resource Growth and Discovery
In-Pit Inferred Mineral Resource at Central: 124 Mt @ 0.70% CuEq¹;
Includes only historical drilling (2000-2001) to 200m depth
>40km completed for updated resource at Warintza Central;
All holes intersect long intervals, highest grades at/near surface,
Deposit open and growing to east, north and south
Major new discovery on first-ever hole at Warintza West;
Open all directions, follow-up to establish size potential
Major new discovery on first-ever hole at Warintza East;
Open all directions, follow-up to establish size and connection to
Warintza Central
First-ever drilling at Warintza South, target 2x size of Central;
100% hit rate, zero misses within Warintza cluster

14. 14
Warintza Project | Further Discovery Potential within 7km x 5km Cluster
Source: The information in this slide is based upon the Company’s news release dated Feb 16, Jul 7&20, Sept 7&27, Oct 12&25, and Nov 1, 2021. See “Resource Estimate” and “Detailed Drill Results” in the Appendix to this
presentation for additional information.

15. 15
Undrilled Regional
Targets
Two additional gold
anomalies at Clemente
Warintza Project | Regional Potential Beyond Warintza Cluster
1. Adjacent Deposits are independent of Solaris. Readers should not infer that Solaris will obtain similar results to adjacent deposits and undue reliance should not be placed thereon when considering an investment in Solaris
2. Panantza Inferred Mineral Resource: 463 Mt @ 0.66% Cu; San Carlos Inferred Mineral Resource: 600 Mt @ 0.59% Cu, Source: Corriente Resources – Preliminary Assessment Report, October 30, 2007
Three large-scale, gold
anomalies from surface
sampling at Warintza
>0.5 g/t gold-in-soils across
broad area, overlapping
copper anomaly at Caya
Geophysical survey
identified additional
blind targets to test
15

16. 16
Upcoming News | Growth and Discovery Drilling
JV Partner, Freeport-McMoRan drilling
for discovery at Ricardo in Chile
Drilling at Warintza Central targeting major
resource growth
Expansion drilling at recent discoveries
Advancing Capricho and Paco Orco in Peru,
Tamarugo in Chile
Discovery drilling at other targets within
7km x 5km Warintza porphyry cluster

17. Joint Ventures

18. 18
Solaris option to earn up to 75%
4,600 hectare property, 60km SE of Las Bambas, Haquira
Outcropping porphyry exposed >300m during recent landslip
Samples from this outcrop grade up to 3% Cu
Community consultation ongoing
Capricho and Paco Orco | Discovery Potential via JV in Peru
Capricho
Solaris option to earn up to 75%
4,400 hectares property, northern extension of Southern Peru Copper Belt
Polymetallic CRD gossan outcropping in limestone extending >2km
Surface samples up to 0.5% Pb, 0.26% Zn and 58 g/t Ag from leached material
Community consultation ongoing
Paco Orco

19. 19
Exposure to US$4.2M of exploration spending over two years as part of
US$130M / 5-yr farm-out of 80% to Freeport-McMoRan
16,000 hectares in the most prolific section of the West Fissure fault, which
controls Chile’s largest copper deposits
Earlier efforts at drilling stymied by fault, but encountered rock types and
alteration similar to those seen at Chuquicamata
Ricardo Project | Discovery Potential via JV in Chile
Discovery potential on the same structure as one of Chile’s
largest copper mines, Chuquicamata

20. 20
Tamarugo Project | Discovery Potential in Chilean Copper Belt
Solaris can earn up to a 75% interest in Tamarugo for gross expenditures of
US$5.5M / 5-yrs from Freeport
5,100 hectare property in a mineralized corridor that hosts numerous porphyry
deposits
5km NE of Copiapo with excellent access to infrastructure including power and
nearby water
Same geologic and structural setting as El Salvador and Potrerillos Copper Mines,
located ~50km to the NE
Discovery potential in the same geologic area that hosts Chile’s largest
copper porphyry deposits

21. 21
La Verde Project | Leverage via JV in Mexico
60% ownership with Teck Resources holding 40%
Located in Michoacán state, ~ 320 km west of Mexico City
Michoacán is rich in natural resources; Mining is a leading
industry with significant production of gold, silver, zinc, iron
and copper
Excellent Infrastructure: Close proximity to highway, railway,
power, port and water
500-year mining history, stable government and attractive
mining investment environment
Well-structured and supportive mining regulatory framework
Project with excellent infrastructure, provides leverage to
higher copper prices

22. Appendix

23. 23
Copper Discovery Rate Remains Dismal
Source: S&P Global Market Intelligence
0
2
4
6
8
10
12
14
16
18
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
Number
of
Discoveries
Discovery Year
Only 1 discovery made
since 2015
2010: Muji,
2011: Cobre Panama, Timok, Cerro Negro, etc.
2012: Copa Sur
2013: Cascabel, Onto, Calingiri, West Musgrave
2014: Kamoa-Kakula, La Huifa, Jebel Ohier
2015: -
2016: Marimaca
2017: -
2018: -
2019: -

24. 24
Dearth of Discoveries Leaves Pipeline Empty
Source: S&P Global Market Intelligence
0
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
4,500
5,000
0
20
40
60
80
100
120
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
Copper
exploration
budget
(US$M)
Copper
in
major
discoveries
(Mt)
Copper in reserves, resources & past production Projected new copper in major discoveries Copper exploraton budgets
2010: Muji,
2011: Cobre Panama, Timok, Cerro Negro, etc.
2012: Copa Sur
2013: Cascabel, Onto, Calingiri, West Musgrave
2014: Kamoa-Kakula, La Huifa, Jebel Ohier
2015: -
2016: Marimaca
2017: -
2018: -
2019: -

25. 25
Goldman Sachs Forecasting Record High Prices
Cuts to exploration and early stage project development mean the size
and number of copper projects is substantially lower than a decade ago
Copper projected to trade up to $15,000/t by mid-decade
to mitigate depletion risks
Long-term supply gap implies significant
further upside to copper prices
Long-term copper price near $10,000/t is needed to incentivize to
enough approvals to mitigate the record LT gap
Source: Goldman Sachs Global Investment Research, April 2021

26. 26
>133
Major
New
Mines
Copper Supply Cliff, Gaping Deficits
Projected
+8 Mt supply
deficit by 2030;
New production
capability
needed from
greenfield
projects
=
Discovery
Exploration
& Definition
Feasibility, Permitting,
Financing Construction Operation
Pre-Discovery
Exploration
Source: Goldman Sachs Global Investment Research

27. 27
Source: BHP Climate Change Briefing -Sept 10, 2020, S&P Market Intelligence
Future-Facing
Commodities
Copper
•
Nickel
•
Potash
Robust demand growth from “electrification mega-trend” superimposed on growth
from traditional end uses
Supply shortfalls from due to grade decline, resource depletion, increased input costs,
water constraints, and scarcity of quality projects
Gaping supply-demand gap cannot be filled with brownfield expansions; 6 Mtpa
production required from greenfield projects
BHP Copper Outlook: Sustained Upside for Prices
Strategic Focus for Majors
‘We need to secure more options
in copper… through exploration
and early stage entry in early-stage
resources in Canada, Mexico and
Ecuador’
- BHP Group CEO, Mike Henry
‘Copper is our preference. A bit like BHP,
we’d love a Tier 1, large-scale and low-cost
asset. Ideally, shallow and near the coast,
with good infrastructure would be ideal’
– Rio Tinto GM Exploration, Lynn
Olssen

28. 28
$0
$1,000
$2,000
$3,000
$4,000
$5,000
$6,000
Jan-00
Market
Capitalization
(US$M)
SLS
SLS - Nov 2021
US$1.2B Market Cap
Warintza | Rapid Value Creation in Exploration Stage
1. Resource estimate and NAV ranges are consensus estimates reported from sell-side research coverage and are independent of the results of Solaris Resources and are no guarantee of the future performance.
2. The result for Arizona Mining Inc. are independent of the results of Solaris Resources and are no guarantee of the future performance. Undue reliance should not be placed thereon when considering an investment in Solaris.
Discovery, Exploration & Definition Feasibility, Permitting & Financing Construction & Operations
Yr 1 Yr 2 Yr 3 Yr 5
Yr 4
LASSONDE CURVE
SLS-T Analyst Valuation
NAV8% Consensus¹
US$2.4B - $4.1B US$3.25B
1x NAV8% (Consensus)
= Transaction Multiple of
Arizona Mining Sale to South32
for $2.1B in August 2018²

29. 29
M&A Cycle Set to Begin
Source: BMO Capital Markets M&A database for transactions greater than US$50M, FactSet
¹ Historical results are no guarantee of the future performance. Undue reliance should not be placed thereon when considering an investment in Solaris.
3
10
12
6
4
$1.00
$2.00
$3.00
$4.00
$5.00
2008 2009 2010 2011 2012 2013 2014
Copper
Price
(US$/lb)
Number of Transactions
Copper Price (US$/lb)
M&A cycle typically follows price cycle with a lag,
approximately 18 months in the prior cycle, and
is heavily-weighted towards development-stage
assets. Present cycle commenced March 2020,
suggesting M&A cycle set to begin late 2021¹

30. 30
Resource Estimate
Warintza In-pit Mineral Resources
Resource Tonnes CuEq
(%)
Cu
(%)
Copper
(M lbs)
Mo
(%)
Mo
(M lbs)
Au
(g/t)
Au
(oz)
Inferred 123,760,200 0.70 0.56 1,516 0.03 77.5 0.06 238,600
The Warintza Mineral Resource estimate was reported in the “Resource Estimate Of The Warintza Central Cu-Mo Porphyry Deposit"
prepared by Equity Exploration Consultants Ltd. with an effective date of December 13, 2019. The Warintza Central Mineral Resource
statement has been prepared by Trevor Rabb, PGeo who is a qualified person as defined by NI 43-101. The resource is reported using a
cut-off of 0.2% copper. Solaris defines copper equivalent calculation for reporting purposes only. Copper-equivalence calculated as:
CuEq (%) = Cu (%) + 3.33 × Mo (%) + 0.73 × Au (g/t), utilizing metal prices of Cu - US$3.00/lb, Mo - US$10.00/lb and Au - US$1,500/oz.
Mineral Resources are not Mineral Reserves and do not have demonstrated economic viability.

31. 31
Detailed Drill Results
(1) No adjustments were made for recovery as the project is an early-stage exploration project and metallurgical data to allow for estimation of recoveries is not yet available. Solaris defines copper equivalent
calculation for reporting purposes only. Copper-equivalence calculated as: CuEq (%) = Cu (%) + 3.33 × Mo (%) + 0.73 × Au (g/t), utilizing metal prices of Cu - US$3.00/lb, Mo - US$10.00/lb and Au - US$1,500/oz.
Assay Results
Hole ID Date Reported
From
(m)
To (m) Interval (m) Cu (%) Mo (%) Au (g/t) CuEq (%)
SLS-34
Oct 25, 2021
52 712 660 0.36 0.02 0.06 0.47
Including 52 294 242 0.51 0.03 0.08 0.67
SLS-33 40 762 722 0.55 0.03 0.05 0.69
Including 46 472 426 0.71 0.03 0.06 0.85
SLSE-02 0 1160 1160 0.20 0.01 0.04 0.25
Including 0 320 320 0.39 0.02 0.04 0.48
SLS-32
Oct 12, 2021
0 618 618 0.38 0.02 0.05 0.48
Including 46 418 372 0.53 0.02 0.06 0.64
SLS-31 8 1008 1000 0.68 0.02 0.07 0.81
Including 44 812 768 0.75 0.03 0.08 0.90
SLS-30 2 374 372 0.57 0.06 0.06 0.82
Including 42 306 264 0.72 0.06 0.07 0.97
SLSE-02
Sep 27, 2021
0 320 320 0.39 0.02 0.04 0.48
Including 0 62 62 0.59 0.01 0.06 0.68
SLSE-01 0 1213 1213 0.21 0.01 0.03 0.28
Including 0 396 396 0.33 0.02 0.04 0.42
SLS-29
Sep 7, 2021
6 1190 1184 0.58 0.02 0.05 0.68
Including 48 528 480 0.69 0.03 0.04 0.80
SLS-28 6 638 632 0.51 0.04 0.06 0.68
Including 42 358 316 0.81 0.04 0.09 1.00
SLS-27 22 484 462 0.70 0.04 0.08 0.91
Including 36 408 372 0.81 0.04 0.09 1.02
SLSE-01
Jul 20, 2021
0 320 320 0.36 0.02 0.05 0.46
Including 0 54 54 0.49 0.01 0.05 0.56
Including 162 216 54 0.60 0.02 0.04 0.70
SLS-26
Jul 7, 2021
2 1002 1000 0.51 0.02 0.04 0.60
Including 46 832 786 0.57 0.02 0.04 0.67
SLS-25 62 444 382 0.62 0.03 0.08 0.77
Including 62 292 230 0.87 0.04 0.10 1.06
SLS-24 10 962 952 0.53 0.02 0.04 0.62
Including 10 512 502 0.57 0.02 0.05 0.67
SLS-19 6 420 414 0.21 0.01 0.06 0.31
SLS-23
May 26, 2021
10 558 548 0.31 0.02 0.06 0.42
Including 10 362 352 0.34 0.02 0.06 0.46
SLS-22 86 324 238 0.52 0.03 0.06 0.68
Including 86 186 100 0.61 0.04 0.06 0.77
SLS-21 2 1031 1029 0.63 0.02 0.04 0.73
Including 2 422 420 0.72 0.02 0.05 0.83
Hole ID Date Reported From (m) To (m) Interval (m) Cu (%) Mo (%) Au (g/t) CuEq (%)
SLS-20
Apr 19, 2021
18 706 688 0.35 0.04 0.05 0.51
Including 18 384 366 0.44 0.04 0.04 0.60
SLS-18 78 875 797 0.62 0.05 0.06 0.83
Including 80 450 370 0.71 0.05 0.07 0.94
SLS-17 12 506 494 0.39 0.02 0.06 0.50
SLS-16
Mar 22, 2021
20 978 958 0.63 0.03 0.06 0.77
Including 358 844 486 0.70 0.03 0.07 0.84
SLS-15 2 1231 1229 0.48 0.01 0.04 0.56
Including 2 1004 1002 0.52 0.01 0.04 0.60
Including 2 696 694 0.57 0.02 0.05 0.67
SLS-14 0 922 922 0.79 0.03 0.08 0.94
Including 34 884 850 0.82 0.03 0.08 0.98
Including 52 836 784 0.84 0.03 0.09 1.00
SLS-13
Feb 22, 2021
6 468 462 0.80 0.04 0.09 1.00
SLS-12 22 758 736 0.59 0.03 0.07 0.74
SLS-11 6 694 688 0.39 0.04 0.05 0.57
SLS-10 2 602 600 0.83 0.02 0.12 1.00
Including 56 602 546 0.88 0.03 0.12 1.06
SLS-09 122 220 98 0.60 0.02 0.04 0.71
Including 122 168 46 0.96 0.03 0.05 1.09
SLSW-01
Feb 16, 2021
32 830 798 0.25 0.02 0.02 0.31
Including 32 292 260 0.35 0.01 0.02 0.42
SLS-08
Jan 14, 2021
134 588 454 0.51 0.03 0.03 0.62
Including 134 274 140 0.90 0.03 0.05 1.05
SLS-07 0 1067 1067 0.49 0.02 0.04 0.60
Including 2 702 700 0.58 0.03 0.04 0.70
SLS-06
Nov 23, 2020
8 892 884 0.50 0.03 0.04 0.62
SLS-05 18 936 918 0.43 0.01 0.04 0.50
Including 18 324 306 0.52 0.02 0.04 0.62
SLS-04 0 1004 1004 0.59 0.03 0.05 0.71
Including 0 824 824 0.64 0.03 0.05 0.77
SLS-03
Sep 28, 2020
4 1014 1010 0.59 0.02 0.10 0.71
Including 4 892 888 0.61 0.02 0.10 0.73
Including 176 892 716 0.63 0.02 0.10 0.75
SLS-02 0 660 660 0.79 0.03 0.10 0.97
Including 48 656 608 0.79 0.03 0.10 0.97
SLS-01
Aug 10, 2020
1 568 567 0.80 0.04 0.10 1.00
Including 48 492 446 0.88 0.04 0.10 1.09
Notes to table: Grades are uncut and true widths have not been determined.

32. 32
Detailed Drill Results
(1) No adjustments were made for recovery as the project is an early-stage exploration project and metallurgical data to allow for estimation of recoveries is not yet available. Solaris defines copper equivalent
calculation for reporting purposes only. Copper-equivalence calculated as: CuEq (%) = Cu (%) + 3.33 × Mo (%) + 0.73 × Au (g/t), utilizing metal prices of Cu - US$3.00/lb, Mo - US$10.00/lb and Au - US$1,500/oz.
Collar Locations
Hole ID Easting Northing Elevation (m) Depth (m) Azimuth (degrees) Dip (degrees)
SLS-34 800383 9648303 1412 1057 78 -60
SLS-33 799873 9648008 1632 764 0 -80
SLSE-02 801485 9648192 1170 1191 275 -50
SLS-32 800383 9648303 1422 831 0 -89
SLS-31 799765 9648033 1571 1025 97 -80
SLS-30 799667 9648029 1499 552 0 -65
SLSE-01 801485 9648192 1170 1213 260 -45
SLS-29 800124 9648035 1580 1190 80 -72
SLS-28 799765 9648033 1571 570 50 -75
SLS-27 799667 9648029 1499 588 45 -70
SLSE-01 801485 9648192 1170 1213 260 -45
SLS-26 800191 9648059 1580 1032 70 -60
SLS-25 799676 9648117 1443 513 220 -70
SLS-24 800124 9648035 1580 962 90 -75
SLS-23 799765 9648033 1571 570 270 -60
SLS-22 799676 9648117 1443 562 270 -60
SLS-21 800191 9648059 1580 1031 70 -70
SLS-20 800124 9648035 1580 816 0 -75
SLS-19 799667 9648029 1449 588 235 -80
SLS-18 799676 9648117 1443 875 100 -70
SLS-17 799765 9648033 1571 788 180 -80
SLS-16 800124 9648035 1580 1033 272 -77
SLS-15 800191 9648059 1580 1231 222 -80
SLS-14 799765 9648033 1571 1020 85 -80
SLS-13 799667 9648029 1499 468 0 -80
SLS-12 800124 9648035 1568 782 265 -62
SLS-11 800191 9648059 1570 860 280 -65
SLS-10 799765 9648033 1571 690 293 -77
SLS-09 800266 9648209 1493 500 0 -89
SLSW-01 798507 9648465 1519 993 320 -66
SLS-08 800253 9648105 1576 824 14 -80
SLS-07 800191 9648065 1580 1067 52 -80
SLS-06 800124 9648035 1580 1069 45 -79
SLS-05 800124 9648035 1580 1063 265 -81
SLS-04 800191 9648059 1580 1150 0 -88
SLS-03 800191 9648059 1570 1090 289 -79
SLS-02 799765 9648033 1571 744 0 -90
SLS-01 799765 9648033 1571 805 351 -80
Notes to table: The coordinates are in WGS84 17S Datum.

33. +1 416-366-5678 x.203
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