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Lithium Project Overview Presentation title here Tim Goldsmith (President and CEO) Presenter name May 2018 date The pathway to large, low cost, industry changing lithium production Forward looking statements Forward Looking Statements This


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Presentation title here

Presenter name date

Lithium Project Overview

Tim Goldsmith (President and CEO) May 2018

The pathway to large, low cost, industry changing lithium production

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Forward looking statements

Forward Looking Statements This presentation contains forward-looking statements about Rincon Ltd. (“Rincon” or the “Company”) and its lithium project at the Salar del Rincon (“Rincon Project”). Forward looking statements are statements that are not historical facts and are based on certain assumptions relating, but not limited to: resource and reserve estimates, anticipated mining and processing methods for the Rincon Project, anticipated lithium recoveries, production and plant capacity rates, lithium grades, estimated capital costs, operating cash costs and total production costs, construction and supply of the necessary energy required, planned additional processing work and permitting, the timing for construction of phases of the commercial, type of lithium end product, and timing and availability of future funding. While the Company considers these assumptions to be reasonable, based on information currently available, they may prove to be incorrect. The forward-looking statements in this presentation are subject to various risks, uncertainties and other factors that could cause the Company’s actual results or achievements to differ materially from those expressed in or implied by forward looking statements. These risks, uncertainties and other factors include, without limitation, risks related to uncertainty in the demand for lithium and pricing assumptions; uncertainties related to raising sufficient financing to fund the project in a timely manner and on acceptable terms; changes in planned work resulting from logistical, technical or other factors; the possibility that results of work will not fulfill expectations and realize the perceived potential of the Company’s properties; uncertainties involved in the estimation of lithium reserves and resources; the possibility that required permits may not be obtained on a timely manner or at all; the possibility that capital and operating costs may be higher than currently estimated and may preclude commercial development or render

  • perations uneconomic; the possibility that the estimated recovery rates may not be achieved; risks related to the deployment of a new lithium

processing technology; risk of accidents, equipment breakdowns and labor disputes or other unanticipated difficulties or interruptions; the possibility of cost overruns or unanticipated expenses in the work program; and risks related to projected project economics, recovery rates, and estimated NPV and anticipated IRR and other factors. These factors may cause the actual results of Rincon to differ materially from those discussed in the forward-looking statements and there can be no assurance that the actual results or developments anticipated by management will be realized or, even if substantially realized, that they will have the expected results on Rincon. Undue importance should not be placed on forward-looking information nor should reliance be placed upon this information. Rincon makes no representation or warranty, express or implied, as to or endorsement of the accuracy or completeness of any information, statements or representations contained in this presentation. As a private company, Rincon is under no obligation and does not undertake to update this information at any particular time. Qualified Persons The mineral resource estimates, mineral reserve estimates and recovery rates are derived from the Company’s definitive feasibility study on the Rincon project prepared under NI 41-101 dated June 3, 2016 and with an effective date of February 24, 2016 (“2016 DFS”). The 2016 DFS was authored by Qualified Persons Mr. Jerry Aiken, Registered SME, Senior Associate Geologist, SRK; Mr. Terry Braun, P.E., Principal Consultant, SRK;

  • Mr. Tyler Cluff, P.G., Senior Hydrogeologist, SWS; Mr. Douglas Collier, Fellow AusIMM, Principal Engineer, ANSTO, Hugh D Thompson, B. Eng.

(Mining), FAusIMM, Prudentia Process Consulting and Mr. Jeff Osborn, BEng Mining, MMSAQP, SRK. Cautionary Note on Cost Estimations Capex and opex estimates of the Phase I commercial plant remain subject to confirmation in an updated NI 43-101 Definitive Feasibility Study on the Rincon project, which is expected to be completed in Q3, 2018.

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Presentation overview

  • Rincon
  • Sentient Equity Partners

Company

  • Salar del Rincon overview
  • Key statistics and technology
  • Community engagement and sustainability

Project

  • Path to production
  • Key milestones and summary

Next steps

  • Resource and reserve statements

Additional information

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Company overview

  • Rincon Ltd is 100% owned by funds managed by Sentient Equity Partners (SEP)
  • SEP is a development investor, its ultimate objective is to participate directly in

underlying metal or mineral projects with the aim of building new businesses

  • The Rincon Executive management team is based in Melbourne, Australia and is

responsible for developing the Rincon Lithium project in Argentina

  • The Rincon Lithium project in Salar del Rincon is 100% owned by Rincon Ltd

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Rincon Lithium project overview – Location

Salta Office

  • Located in Argentina the pro-mining province of Salta
  • Rincon owns 98% of tenements available on productive halitic core of the Salar

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Rincon Lithium project overview - Geophysical characteristics

Main zones of Salar del Rincón

  • Catchment basin (2,767 km2)
  • Alluvial fan (fresh water)
  • Salar boundary (435 km2)
  • Saline Mudflat (soft and flooded area), between

the “halitic core” and the Salar boundary

  • Lithium Brine bearing Halitic Core / Fractured

Halite Brine Aquifer, hosting the lithium (232 km2)

  • Excellent transmissivity – capable of sustaining

long term grades of 371 mg/L at volume

  • Coverage over the Halitic Core of 98%.
  • Probable Mineral Reserve of ~1.2m tonnes Lithium Carbonate Equivalent (LCE)1
  • Measured & Indicated Resource of ~3.5 million tonnes LCE & Inferred Resource of~ 4.8 million tonnes LCE1
  • Making this one of the worlds largest 100% owned near term, undeveloped lithium resources

1NI 43-101 Resources and Reserve Estimate completed by SRK Consulting (USA) in February 2016 complete tables contained in additional information

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Ideal location in terms of critical infrastructure Easy access to critical services and ports in both, Pacific and Atlantic Oceans

Rincon Lithium project overview - Infrastructure

  • Sealed Highways
  • Railroad
  • High voltage power line
  • Gas pipeline

Water - Rincon has productive wells and proven water reserves within the mining tenements providing sufficient water for planned processes

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Rincon Lithium project overview – Extraction technology development

BASIC FLOW SHEET Raw brine Directly pumped from salar Brine Treatment Up to 75% recovery Li Removes Mg and Ca Precipitation Circuit Precipitates Lithium Compounds Regenerates reagents Carbonation Circuit Produces Lithium Carbonate Rincon has developed with ANSTO Minerals, an Australian Government Science Organisation, proprietary extraction technology which addresses high Mg:Li ratios and medium grade

  • f Lithium in brine (~380mg/L)

US$30M spent validating technology and building and operating a demonstration plant at Salar del Rincon 2014: Lithium Compound precipitation circuit built and successfully demonstrated at ANSTO Minerals, Lucas Heights 2015-2016: Membrane nano-filtration circuit trialled and installed at Salar del Rincon 2016-2017: Membrane circuit successfully operated at Salar del Rincon for 18 months, delivering recovery rates of up to 75% (industry standard previously 55%) 2017: Demonstration plant installed at Salar del Rincon (capacity 500kgs per day) and successfully producing battery grade lithium carbonate 8

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Demonstration Plant, Salar del Rincon, Argentina

Direct extraction from raw brine in less than 24 hours Flexibility to produce lithium carbonate or lithium hydroxide Regenerates reagents Unit costs forecast at sub US$4,000/tonne LCE Lower environmental impact due to removal of evaporation ponds

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Rincon Lithium project overview – Key extraction advantages

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Rincon Lithium project overview – Forecast cost curve position

  • Rincon LCE units costs sub US$4,000/t
  • Phase 1: 25 ktpa LCE (2022)
  • Phase 2: 25 ktpa LiOH (2025)

Rincon’s proprietary extraction technology is forecast to produce LCE at 1st quartile unit costs

Forecast 1st quartile unit costs 10

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Rincon Lithium project overview – Strong community engagement

Rincon has successfully engaged with local communities to foster understanding of its corporate

  • bjectives and has developed a strong social licence to operate
  • Rincon currently employs approximately 120 people across its Salta office and at the Salar del Rincon
  • Rincon has been an employer of choice since 2009
  • Support for local communities to build businesses around the Rincon operation (catering, transport etc.)
  • Rincon has wide community support in which it operates
  • Good relations and wide support from both the Salta Provincial and Argentine Federal Governments
  • Our direct extraction process has a lower environmental impact than traditional evaporation methods

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Rincon Lithium project overview - Path to production

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2018 2019 2020 2021 2022 2023 2024 2025

Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4

Production of 50,000 tonnes LCE

DFS completed to 25k tpa Negotiations

  • n lump sum

EPC Project funding Commence stage 1 construction to 25,000 tpa Plant commissioning and ramp up Commence stage 2 construction to 50,000 tpa Plant commissioning and ramp up

Production of 25,000 tonnes LCE

Permitting finalised

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Rincon Lithium project overview – Project summary

Ownership of project 100% Mineral reserve (Prob.) ~1.2m tonnes of LCE Mineral resource (MRI/Inf.) ~3.5m/~4.8m tonnes of LCE Project development to date Demonstration plant commissioned and operational Estimated all in development costs ~US$650m Estimated funding requirements ~US$450m Estimated annual production - Lithium Carbonate Up to 25ktpa Estimated unit costs ~US$4,000/tonne LCE Mine life ~30+ years Community engagement Strong and welcoming – 120+ employees Sustainability Advantageous extraction method – no ponds

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CONFIDENTIAL NOT FOR FURTHER DISTRIBUTION

Rincon Ltd Tim Goldsmith President & CEO Rincon Ltd. Melbourne Office Level 1, Building 10, 658 Church Street, Richmond, VIC Australia 3121 Toronto Office 151 Yonge Street, 11th Floor Toronto, ON, Canada M5C 2W7 E | info@rinconltd.com W | rinconltd.com

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Rincon Ltd Ben McCormick Level 1, Building 10, 658 Church Street Richmond VIC, Australia 3121

Additional information

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Resource & Reserve (Full disclosure)

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Stratigraphic Unit Average Lithium Grade (mg/L) Average Specific Yield1 Average Thickness2 (m) Total Brine Volume3,4 (000’s m3) Lithium as Metal (tonnes) LCE5 (tonnes) Upper Fractured Halite Measured 395 0.119 16.4 521,489 205,988 1,099,977 Indicated

  • Inferred
  • Clastics

Measured

  • Indicated

343 0.041 21.0 149,071 51,131 273,041 Inferred 235 0.023 21.0 22 5 28 Mixed Halite and Clastics Measured

  • Indicated

384 0.021 10.4 88,531 33,996 181,538 Inferred 381 0.091 10.4 261 99 531 Black Sands Measured

  • Indicated

400 0.101 72.5 933,133 373,253 1,993,171 Inferred 393 0.086 72.5 947,295 372,287 1,988,011 Massive Halite Inferred 415 0.018 273.5 1,275,223 529,218 2,826,022 Totals Measured 395 0.12 521,489 205,988 1,099,977 Indicated 392 0.09 1,170,734 458,380 2,447,750 Inferred 406 0.05 2,222,801 901,609 4,814,592 Measured + Indicated 393 0.10 1,692,223 664,368 3,547,728 Table 1 – Mineral Resource Estimate, Recoverable Lithium as Metal, effective January 13, 2016

See appendix for footnotes and additional information

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Resource & Reserve (Full disclosure)

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2016 Rincón Probable Reserve Estimate Brine Beneficiation Recovery Factor1 90.8% Process Plant Recovery2 74% Average Lithium Grade (mg/L) 371 Stratigraphic unit Lithium Grade (mg/L) Brine Volume (000s m3) Lithium Resource as Metal (tonnes) In Situ Recovery Factor Total Recovery Factor Lithium Reserve as Metal (tonnes) LCE (tonnes) Upper Fractured Halite3 395 521,489 205,988 88% 59% 121,391 648,226 Clastics4 343 149,071 51,131 33% 22% 11,338 60,542 Mixed Halite and Clastics5 384 88,531 33,996 33% 22% 7,538 40,253 Black Sands6 400 933,133 373,253 31.5% 21% 79,091 422,347 Massive Halite7

  • 20%

13% Totals: 1,692,224 664,368 219,357 1,171,369 Table 2 - Salar del Rincón Lithium Reserve Estimate, Effective Date February 24, 2016

See appendix for footnotes and additional information

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Resource Average Lithium Grade (mg/L) LCE5 (tonnes) Measured 395 1,099,977 Indicated 392 2,447,750 Inferred 406 4,814,592 *Measured + Indicated 393 3,547,728 Table 1 – Mineral Resource Estimate, Recoverable Lithium as Metal, effective January 13, 2016 2016 Rincón Probable Reserve Estimate Stratigraphic unit Lithium Grade (mg/L) Lithium Reserve as Metal (tonnes) LCE (tonnes) Upper Fractured Halite3 395 121,391 648,226 Clastics4 343 11,338 60,542 Mixed Halite and Clastics5 384 7,538 40,253 Black Sands6 400 79,091 422,347 Massive Halite7

  • Totals:

219,357 1,171,369 Table 2 - Salar del Rincón Lithium Reserve Estimate, Effective Date February 24, 2016

*Mineral resources estimate comprised of 5 stratigraphic units: Upper fractured Halite, clastic, mixed halite and clastics, black sands See appendix for footnotes and additional information and Massive Halite See appendix for footnotes and additional information

Brine Beneficiation Recovery Factor1 90.8% Process Plant Recovery2 74% Average Lithium Grade (mg/L) 371

Resource & Reserve (short version)

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Appendix Resource & Reserve reference

Table 1 – Mineral Resource Estimate, Recoverable Lithium as Metal, effective January 13, 2016

(1) Average specific yield is approximated by the weighted average of individual lithologic specific yield estimates for each stratigraphic unit. Each estimate of specific yield is based on physical testing of representative core samples, short-term (e.g., 1 to 3 days) and/or long-term (30 days) brine extraction tests. (2) Average thickness identified for entire stratigraphic unit, not redefined by depth boundaries of measured, indicated, or inferred resource. (3) Assigned cut-off grade for the brine process is 200 mg/L as lithium. (4) Total brine volume is not equivalent to the total extractable brine volume. Brine extraction via engineered production wells is a function of the hydraulic properties (e.g., conductivity, saturated thickness and continuity) of each stratigraphic unit within the brine resource areas as well as the overall water balance for the hydrogeologic basin. These properties are simulated in a 3-dimensional numerical model which allows estimation of the extractable brine resource as declared in the mineral reserve statement. (5) LCE calculated as a multiple (5.34) of the estimated lithium as metal value. General (a) All mineral resources are inclusive of mineral reserves. (b) Mr. Jerry Aiken, P.G., R-SME, is an associate of SRK. He is an independent Qualified Person for purposes of NI 43-101 and he supervised the preparation of and verified the above mineral resource estimate, including the underlying sampling, analytical, test and production data. Data was verified by, among other things, multiple site visits and data audits. (c) Mineral resources which are not mineral reserves do not have a demonstrated economic viability as of the effective date of the 2016 NI 43-101 Technical Report. (d) Table entries are rounded to reflect the precision of the estimate and differences may occur due to this rounding. Tonnes refers to metric tonnes.

Table 2 - Salar del Rincón Lithium Reserve Estimate, Effective Date February 24, 2016

(1) Estimated by 23% rejection rate of lithium mass during brine beneficiation, and subsequent 60% re-capture of re-infiltrated lithium in reject brine. 77%+(23% x 60%). (2) Recovery estimate provided by ANSTO. (3) In situ recovery factor estimated by drawdown calculated by the Dynamic Model. High transmissivity and bowl shaped geometry are conducive to dewatering the unit. (4) In situ recovery factor estimated by drawdown calculated by the Dynamic Model. Production from Black Sand units enhance drainage from overlying units. (5) In situ recovery factor estimated according to Houston, 2011. (6) In situ recovery factor estimated by analytical solution for wellfield using Black Sand-series aquifer parameters. (7) Massive halite unit is defined entirely as an inferred resource. Production potential from the unit is low, owing to its competent crystalline matrix and low permeability. General a) Assigned cutoff grade of 200 mg/L lithium. b) The cut-off grade at which lithium extraction is no longer economic is varied based on a number of recovery and cost factors including the geologic formation from which the extraction is occurring, the concentration of deleterious elements such as magnesium in the raw brine, raw brine pumping/processing capacity in the lithium plant and the lithium pricing assumptions. c)

  • Mr. Tyler Cluff, P.G., is an employee of SWS. He is an independent Qualified Person for purposes of NI 43-101 and he supervised the preparation of and verified the above

mineral reserve figures, including the underlying sampling, analytical, test, and production data. Data was verified by among other things, a site visit. d) Table entries are rounded to reflect the precision of the estimate and differences may occur due to this rounding. Tonnes refers to metric tonnes.

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