Corporate Presentation - January 2020 - TSXV & BVL:TK | OTCPK: TKRFF www.tinkaresources.com - Tinka Resources Ltd.

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Corporate Presentation - January 2020 - TSXV & BVL:TK | OTCPK: TKRFF www.tinkaresources.com - Tinka Resources Ltd.
TSXV & BVL:TK | OTCPK: TKRFF   www.tinkaresources.com

Corporate Presentation – January 2020
Corporate Presentation - January 2020 - TSXV & BVL:TK | OTCPK: TKRFF www.tinkaresources.com - Tinka Resources Ltd.
Disclaimer
This presentation does not constitute or form a part of, and should not be construed as an offer, solicitation or invitation to subscribe for, underwrite or otherwise acquire,
any securities of Tinka, nor shall it or any part of it form the basis of or be relied on in connection with any contract or commitment whatsoever.
Readers are cautioned that the PEA is preliminary in nature, it includes inferred mineral resources that are considered too speculative geologically to have the economic
considerations applied to them that would enable them to be categorized as mineral reserves, and there is no certainty that the PEA results will be realized. Mineral
resources that are not mineral reserves do not have demonstrated economic viability. Additional work is needed to upgrade these mineral resources to mineral reserves.
Certain information in this presentation contains forward-looking statements and information within the meaning of applicable securities laws (collectively "forward-
looking statements"). All statements, other than statements of historical fact are forward-looking statements. Forward-looking statements are based on the beliefs and
expectations of Tinka as well as assumptions made by and information currently available to Tinka's management. Such statements reflect the current risks, uncertainties
and assumptions related to certain factors including but not limited to, all costs varying significantly from estimates, production rates varying from estimates, changes in
metal markets, changes in equity markets, availability and costs of financing needed in the future, equipment failure, unexpected geological conditions, imprecision in
resource estimates or metal recoveries, ability to complete future drilling programs, delays in or failure to obtain the necessary permits, drilling program results varying
from expectations, timing of geological reports, the Company’s ability to realize the results of the PEA, approvals from local authorities, community relations, timing and
completion of any surface rights agreements, and other development and operating risks. Should any one or more of these risks or uncertainties materialize, or should
any underlying assumptions prove incorrect, actual results may vary materially from those described herein. Forward-looking statements are not guarantees of future
performance and accordingly undue reliance should not be put on such statements due to the inherent uncertainty therein. Except as may be required by applicable
securities laws, Tinka disclaims any intent or obligation to update any forward-looking statement.
The Mineral Resources disclosed in this presentation have been estimated by Mrs. Dorota El Rassi, P.Eng., an employees of Roscoe Postle Associates Inc. (RPA). Mrs. El
Rassi is a Qualified Person as defined under the meaning of Canadian National Instrument 43-101 (“NI 43-101”) and independent of Tinka. Mr. William Colquhoun,
Principal Metallurgical Consultant with Amec Foster Wheeler (Perú) S.A., a Wood company, a Qualified Person as defined in NI 43-101 and independent of Tinka, is
responsible for the PEA results contained in this presentation. Ms Stella Searston, RM SME, a Principal Geologist Associate with Amec Foster Wheeler E&C Services, a
Wood company, a Qualified Person as defined in NI 43-101 and independent of Tinka, is also responsible for the PEA results contained in this presentation. Mr. Edwin
Peralta, P.E., a Senior Engineer with Wood Mining and Metals USA, a Qualified Person under NI 43-101 and independent of Tinka, is also responsible for the results of the
PEA. Mr Adam Johnston, CP (Metallurgy) of Transmin Metallurgical Consultants, a Qualified Person as defined in NI 43-101 and independent of Tinka, is responsible for
the metallurgical and recovery inputs contained in this presentation. Dr. Graham Carman, CEO and a Director of Tinka, and a Qualified Person as defined in NI 43-101, is
responsible for other technical information in this presentation (information not directly related to the Mineral Resource Estimate or the PEA).

                                                                                                                                                                                  2
Corporate Presentation - January 2020 - TSXV & BVL:TK | OTCPK: TKRFF www.tinkaresources.com - Tinka Resources Ltd.
Strategic Investment by Buenaventura
o Compañia de Minas
  Buenaventura acquired a 19.3%
  strategic equity stake in Tinka
  Resources (January 2020)
o “We will develop the concept
  that Ayawilca will be a satellite       Ayawilca
  mine for Buenaventura”, said
  CEO Victor Gobitz, Gestion, Jan.
  17, 2020
o Buenaventura (NYSE: BVN) is a
  +US$4B precious & base metals
  mining company with numerous
  operations in Peru
o Sentient Equity Partners also
  invested C$2.5 million in Jan.
  2020                                               3
Corporate Presentation - January 2020 - TSXV & BVL:TK | OTCPK: TKRFF www.tinkaresources.com - Tinka Resources Ltd.
Ayawilca Project: Highlights
           Ayawilca Zinc-Silver Project
           o Buenaventura becomes a strategic investor in Tinka at a substantial premium
             to market price (C$16 million @ C$0.243)
    Peru
           o +7 billion pounds of zinc in resources, plus silver & lead credits
           o Silver Zone discovery during 2019 highlights high-grade Ag potential
Ayawilca
           o PEA in July 2019 shows a robust project with strong potential cash flow
           o Good infrastructure (power, water, roads) and community relationships
           o C$23 million cash (January 2020)

           2020 Work Program
           o Large land position - extensive soil sampling / prospecting underway
           o More step-out and infill drilling planned from early 2020
           o Permitting underway to drill-test targets on wider land package
           o Reviewing PEA assumptions

                                                                                           4
Corporate Presentation - January 2020 - TSXV & BVL:TK | OTCPK: TKRFF www.tinkaresources.com - Tinka Resources Ltd.
Market Capitalization & Investors (at Jan. 13, 2020)
TSXV & BVL: TK | OTCPK: TKRFF                            Major Shareholders
                                                         Institutional:
Shares Issued:                                 340.7 M
                                                             Sentient Equity Partners   22%
     Options (priced $0.325 to $0.50)           11.1 M
                                                             Buenaventura               19%
     Warrants (priced at $0.45 exp May ‘20)     12.4 M
                                                             IFC                         9%
Fully diluted:                                 364.8 M
                                                             JP Morgan UK                5%
Market cap @ C$0.20/share:                     C$68 M        CD Fund                     5%
Cash (at Jan. 2020):                          ~C$23 M        Other institutions         ~5%
Enterprise Value @ C$0.20/share:              ~C$45 M    Total Institutional            65%
                                                         Management & Insiders           2%
                                                         Retail                         33%
                                                         Analyst Coverage

                                                         Ian Parkinson

                                                         Kevin MacKenzie

                                                         George Topping
                                                                                              5
Corporate Presentation - January 2020 - TSXV & BVL:TK | OTCPK: TKRFF www.tinkaresources.com - Tinka Resources Ltd.
Management & Board
Management – Extensive Peru and Zinc Experience
Dr Graham Carman        President & CEO, Director   Geologist, 25 years global exploration experience with Rio
                                                    Tinto, Savage, Pasminco, juniors. PhD on Lihir Island Gold
Alvaro Fernandez-Baca   VP Exploration, Peru        Geologist, 20 years global exploration experience with
                                                    Gitennes, AQM Copper & Hochschild.
Cesar Carbajal          HSEC Manager                Social management specialist, 15 years experience with Teck,
                                                    MWH, Peru Ministry of Mines.
Mariana Bermudez        Corp. Secretary             20 years regulatory compliance services experience.
Nick Demare             CFO, Director               CPA, CA, extensive junior board experience.

Independent Directors
                 Chairman of the Board. Mining engineer, MBA, 25 years experience in mining, oil & gas, and private
Ben McKeown
                 equity.
                 Sentient Group representative. Professional engineer, MBA, 25 years experience in mineral resources
Pieter Britz
                 industry and mining investment.
Mary Little      Geologist with 25 years experience in Latin America, MBA, Founder of Mirasol Resources.
                                                                                                                       6
Corporate Presentation - January 2020 - TSXV & BVL:TK | OTCPK: TKRFF www.tinkaresources.com - Tinka Resources Ltd.
Ayawilca Project – Central Peru
o Peru is a top 2 global producer of zinc, copper and silver
o Pro-mining country – mining accounts for over 50% of exports
                   ECUADOR
                                                                                               Rank in         Latin
                                                                                Mineral         World         America
                                                                                                2018           2018
                                   Ayawilca
                                    Project                                      Zinc            2nd            1st
                                                     BRAZIL

                             Antamina
                                                                                Copper           2nd           2nd

              Central Peru                                                        Tin            4th            1st
                zinc belt
                                                                                 Lead            3rd            1st

                                                        San Rafael
                                        Las Bambas                               Silver          2nd           2nd

                                                                      BOLIVIA
                                                                                 Gold            6th            1st

                                                                                          Source: USGS 2018
                                                              CHILE
                                                                                                                        7
Corporate Presentation - January 2020 - TSXV & BVL:TK | OTCPK: TKRFF www.tinkaresources.com - Tinka Resources Ltd.
Central Peru – Mines & Infrastructure
                                                  Antamina:
                                         Largest current copper/zinc
                                                mine in Peru

                                                Cerro de Pasco:
                                        Largest historic silver/zinc mine
                                                     in Peru

 Giant Ore Deposit

                                                                            8
Corporate Presentation - January 2020 - TSXV & BVL:TK | OTCPK: TKRFF www.tinkaresources.com - Tinka Resources Ltd.
Tinka – Resource Growth 2015 to 2019
o Tinka has successfully grown the Ayawilca zinc resource year-on-year
o Further potential exists to grow the resource quality, tonnage and grade

                                              Ayawilca Resource Growth 2015 to 2018
                      60
                                                                                                                             INFERRED

                      50

                      40
     Resources (Mt)

                                                                                                          Inf. 2018; 6,738
                                                                                       Inf. 2017; 6,873
                      30
                                                                Inf. 2016; 3,385

                      20                  Inf. 2015; 2,258
                                                                                                          Ind. 2018; 2,149
                                                                                                                             INDICATED
                      10

                           Bubble size indicates contained zinc-equivalent pounds (Mlbs)
                       0
                        2014                   2015                  2016                   2017               2018                     2019

                                                                                                                                               9
Corporate Presentation - January 2020 - TSXV & BVL:TK | OTCPK: TKRFF www.tinkaresources.com - Tinka Resources Ltd.
Ayawilca - One of the Largest Zinc Resources

1   ZnEq includes all metals. Source: Stifel-GMP, July 2019   10
Ayawilca Geology & Resources
         o Tinka owns 170 km2 of mining
           claims (100%)
         o Three deposits on property:

                                                  Ayawilca Focus Area - Plan View with Geology
                     1. Zinc Zone 2. Tin Zone
                     3. Colquipucro Silver Zone
                            Tinka Claim
                            Boundary
Ayawilca Claim Map

                                                                                                 11
Focusing on Thick Zones & High Grade

o Ayawilca is a “manto”
  style carbonate
  replacement deposit
  (“CRD”). Mantos are
  stacked at South and
  West Ayawilca –
  greatest thickness and
  highest grades
o Drilling continues to
  target high-grade
  resources at shallow                  +
                                        +
  depths, with the
  potential for bulk
  underground mining

                                            12
2019 Drill Highlights - South Ayawilca
o Grades in 2019 drill holes are
  well above the average grade of
  Zinc Zone resource
  • Hole A19-165: 9.0 m @ 11.9%
    zinc and 25.9 m @11.8% zinc
    and 28.7 m @ 14.0% zinc and
    14.9 m @ 12.3% zinc
  • Hole A19-163: 5.7m grading
    32.6% zinc at edge of resource
o Discovery of Lower Silver Zone
  • Hole A19-163: 13.9 m @ 128
    g/t silver
  • Hole A19-167: 7.3 m @366 g/t
    silver with 4.9% zinc and 7.9 m
    @ 150 g/t silver with 6.1%
    zinc
                                            13
Ayawilca PEA – A Robust Zinc Project
o PEA assumed a 5,000 t/d UG operation with ramp access with on-site processing for two concentrates
o After-tax NPV8% of US$363 million

o Opportunities for optimization include:
    Mining of higher grade zinc zones, especially early in the mine plan
    Lower cost mining methods, increased mining rates, and other opportunities
                                                                    Ayawilca PEA after-Tax NPV8% Sensitivity
                       800.0

                       700.0                                                                Higher zinc grade and price
US$566 M               600.0                         Reduced OPEX
                                                                                                                                               20% grade increase
                       500.0
US$453 M                                                                                                                                       20% lower OPEX
                       400.0
             (US$M)

US$363 M                                                                                                                                       PEA Base Case
                       300.0

                       200.0

                       100.0

                          -
                               -40%              -30%           -20%         -10%                   0%           10%         20%         30%            40%
                      (100.0)
                                                                                Change in Parameter
                                Zinc selling price      Lead selling price   Silver selling price        Feed grades   Initial CAPEX   Operating Cost
                                                                                                                                                                    14
Zinc Resource Base Case (Nov. 2018 @ $55 NSR cut-off)
  o   ~68,000 metres drilled in Zinc Zone from 2012 to 2018
  o   1.8 billion pounds of zinc in Indicated category (24% of total)
  o   5.6 billion pounds of zinc in Inferred category (76% of total)
  o   Highest grades at South and West Ayawilca                      Notes:
                                                                                       • CIM definitions were followed for Mineral Resources.
                  Tonnage ZnEq Zn      Pb     In    Ag    Zn    Pb      In      Ag     • Mineral Resources are reported above a cut-off NSR value
Category/Area       (Mt)   (%) (%)    (%)    (g/t) (g/t) (Mlb) (Mlb)    (t)    (Moz)     of US$55 per tonne.
                                                                                       • The NSR value was based on estimated metallurgical
                                                                                         recoveries, assumed metal prices and smelter terms, which
Indicated                                                                                include payable factors, treatment charges, penalties, and
                                                                                         refining charges. Metal price assumptions were: US$1.15/lb
  South             3.9   9.1   7.6   0.09   108   16    652     8     422      2.0      Zn, US$300/kg In, US$15/oz Ag, and US$1.00/lb Pb. Metal
                                                                                         recovery assumptions were: 90% Zn, 75% In, 60% Ag, and
                                                                                         75% Pb. The NSR value for each block was calculated
  West              7.8   7.7   6.5   0.20   72    15   1,126   35     561      3.9      using the following NSR factors: US$15.34 per % Zn,
                                                                                         US$4.70 per % Pb, US$0.18 per gram In, and US$0.22 per

Total Indicated    11.7   8.1   6.9   0.16   84    15   1,778   42     983      5.8      gram Ag.
                                                                                       • The NSR value was calculated using the following formula:
                                                                                         NSR = [Zn(%)*US$15.34+Pb(%)*US$4.70+
Inferred                                                                                 In(g/t)*US$0.18+Ag(g/t)*US$0.22]
                                                                                       • The ZnEq value was calculated using the following formula:

  South            10.2   9.6   7.9   0.27   103   30   1,764   61     1,047    9.9      ZnEq = NSR/US$15.34
                                                                                       • Numbers may not add due to rounding.
                                                                                       • “Inferred Mineral Resources” have a great amount of
  West              5.0   7.1   6.4   0.27   34    17    699    30     170      2.8      uncertainty as to their existence, and as to their economic
                                                                                         and legal feasibility. It is reasonably expected that the

  East             11.3   5.9   5.0   0.18   56    14   1,238   44     633      5.0      majority of Inferred Mineral Resources could be upgraded to
                                                                                         Indicated Mineral Resources with continued exploration.
                                                                                         United States investors are cautioned not to assume that all
  Central          18.6   5.6   4.6   0.23   62    12   1,884   95     1,153    7.5      or any part of Measured or Indicated Mineral Resources will
                                                                                         ever be converted into Mineral Reserves. United States
                                                                                         investors are also cautioned not to assume that all or any
Total Inferred     45.0   6.7   5.6   0.23   67    17   5,585   230    3,003   25.2      part of an Inferred Mineral Resource exists, or is

                                                                                                                                                15
                                                                                         economically or legally mineable.
Ayawilca Step-Out Drill Targets
                                      Valley:
                                      Fault intersection and
                                      anticline similar to South
                                      Ayawilca. Repeated
                                      Pucara host to the west
                                      is untested

                                      Zone 3:
                                      Large gravity and
                                      magnetic anomalies in
                                      thickened Pucara
                                      limestone

                                      Far South:
                  Silver Zone:
                                      Fault intersection and
                  Extension of 2019
                                      anticline similar to
                  silver discovery
                                      South Ayawilca
                                                                   16
Ayawilca Gravity Anomaly – Step-Out Targets

Valley:
Fault intersection and                  Zone 3:
anticline similar to South              Large gravity and
Ayawilca. Repeated Pucara               magnetic anomalies in
host to the west is untested            thickened Pucara
                                        limestone

                                        Far South:
                                        Fault intersection and
Silver Zone:                            anticline similar to
Extension of 2019 silver                South Ayawilca
discovery
                                                                 17
Colquipucro Silver Oxide Mineral Resources
     o Ayawilca property also hosts a silver oxide resource
     o No economic studies completed to date, but could be a standalone operation at higher silver
       prices or an adjunct operation to a zinc mine
                             Tonnage           Ag          Ag
Class/Zone
                               (Mt)           (g/t)       (Moz)
Indicated
High Grade Lenses               2.9          112         10.4
Low Grade Halo                  4.5          27           3.9
       Total Indicated          7.4          60          14.3
Inferred
High Grade Lenses               2.2          105          7.5
Low Grade Halo                  6.2          28           5.7
        Total Inferred          8.5          48          13.2

8,003 metres drilled in 45 holes (2006-2014)

Notes: : Resources estimated by Roscoe Postle Associates Inc. (RPA)
of Toronto, Canada (news release of November 26, 2018). Mineral
Resources are reported within a preliminary pit shell and above a
cut-off grade of 60 g/t Ag for High Grade Lenses, and 15 g/t Ag for
Low Grade Halo. The cut-off grade is based on a price of US$24/oz
Ag. Refer to NI 43-101 report dated June 29, 2016 for details of
resource estimates and assumptions.                                                                  18
Next Steps: Exploration & Optimization
2020:
                                                                2
• Exploring other targets on Tinka mining concessions (170 km ) - extensive soil sampling /
  prospecting underway
• Step-out and infill drilling from early 2020: 10,000 to 15,000 metres of drilling planned
• Review of PEA assumptions
• Permitting for an expanded exploration area

                                                                                            2023-24?
                         PEA optimization                                 2022?
                           & targeted                 2021?
                           exploration
                             drilling
   2015-2019...
                                                                      Feasibility Study &
    Resource                                         Prefeasibility                          Production
    Definition                                                        Permitting
                                                     Study &
                                                     Engineering
                               2020
                                                                                                       19
Community Relations & Environment
o Ongoing long-term partnerships with three nearby communities
o Social engagement and sustainable development programs in place
o Employment during drill programs (road and drill pad construction) and at camp
o IFC (World bank) providing support and guidance

                                                                                   20
Tinka: Outstanding History of Exploration Success
o Scarcity Value - Ayawilca Zinc Zone has the size & grade in a proven mining belt
o Full Ownership - 100% ownership of a PEA stage project with after-tax NPV8% of US$363M
o Low Valuation - Tinka EV of ~US$35 million is less than 10% of project NPV
o High Grades - Thick & high-grade core at South and West Zones, early pay-back potential
o Program for 2020 – Continued resource expansion drilling and testing of new targets
o Well Financed - ~C$23 million in cash, no debt
o Strategic Partner - Buenaventura, Peru’s largest mining company, owns 19% equity stake
o Upside Exploration Potential - 170 km2 land position, tin and silver resources also
o Good Access - strong community relationships & infrastructure (roads, water, power)

                                                                                            21
APPENDIX
Zinc Inventories – Declining for Seven Years
o Zinc prices have declined 33% from 2018 highs due to the trade war between the US and China,
  and concerns that the zinc market will go into surplus
o While zinc demand has been impacted by the trade war, the surplus has not eventuated
o A rebound in China zinc demand or restocking could send zinc prices substantially higher

                                      Start of                                     Zinc inventories
                                      China-US                                     continue to
                                      trade war                                    decline despite
                                                                                   China slowdown

                                                                                                      23
Zinc Market Analysis
o Large predicted increases in zinc mine production have
  failed to materialize (e.g., Teck predicted an 800kt increase
  in mine supply in 2018 – actual growth was 200kt)
o Zinc mine production in China has lagged expectations due
  to declining ore grades and stricter environmental
  regulations & inspections
o Lower zinc prices are causing mines with low profit margins
  to close, with at least four mines closed in 2019

     Zinc prices will need to increase or
   zinc markets will face a supply crunch
                                                                  24
Ayawilca PEA – A Top 5 Peru Zinc Mine
Mining and Resources                                                                                                                                                 Operating Cost                        Cost per Tonne
                                                                                                                                                                     Description                             Processed
o Underground mine with 5,000 tonne per day flotation plant
                                                                                                                                                                     Mining – Room & Pillar                  US$38.06
o 38.2 Mt of Resources mined over 21 years
                                                                                                                                                                     Mining – Post & Pillar                  US$35.29
o US$65/t NSR cut-off (base case for resource was US$55/t cut-off)
                                                                                                                                                                     Average Mining Cost                      US36.66
Saleable Products                                                                                                                                                    Processing                               US$6.44
o Two concentrates                                                                                                                                                   G&A                                      US$5.48
   • Zinc concentrate (50% Zn grade) at 92% recovery                                                                                                                 Total Opex                              US$48.58
   • Silver-lead concentrate (50% Pb, 88-191 oz/t Ag) at 85% recovery
                                                                                                      Annual Metal Production in Concentrates
                                           160,000                                                                                                                                                                  2,000
Annual Zinc and Lead Production (tonnes)

                                                     o Average LOM head grades of 6.1% Zn, 18 g/t Ag, 0.2% Pb                                          Zn recovered to Zn concentrate (left)

                                                                                                                                                                                                                            Annual Silver Production (koz)
                                           140,000                                                                                                                                                                  1,750
                                                                                                                                                       Pb recovered to Pb-Ag concentrate (left)
                                           120,000                                                                                                                                                                  1,500
                                                                                                                                                       Ag recovered to Pb-Ag concentrate (right)
                                           100,000                                                                                                                                                                  1,250

                                            80,000                                                                                                                                                                  1,000

                                            60,000                                                                                                                                                                  750

                                            40,000                                                                                                                                                                  500

                                            20,000                                                                                                                                                                  250

                                                0                                                                                                                                                                   -
                                                     2023

                                                            2024

                                                                   2025

                                                                          2026

                                                                                 2027

                                                                                        2028

                                                                                               2029

                                                                                                      2030

                                                                                                             2031

                                                                                                                    2032

                                                                                                                           2033

                                                                                                                                  2034

                                                                                                                                         2035

                                                                                                                                                2036

                                                                                                                                                       2037

                                                                                                                                                              2038

                                                                                                                                                                        2039

                                                                                                                                                                               2040

                                                                                                                                                                                      2041

                                                                                                                                                                                             2042

                                                                                                                                                                                                    2043

                                                                                                                                                                                                             2044
                                                                                                                                                                                                                                                             25
2019 Ayawilca PEA Highlights (in US dollars)
Robust Economics :                                                                                $200                                                                                                                                                                            $2,000
o 5,000t/day underground zinc mine with
  21 year mine life, room & pillar + post-                                                        $150                                                                                                                                                                            $1,500

  pillar mining

                                                                                                                                                                                                                                                                                            Cumulative Cash Flows (US$ millions)
                                                               Annual Cash Flows (US$ millions)
                                                                                                  $100                                                                                                                                                                            $1,000

o Modest initial capex of $262M
                                                                                                   $50                                                                                                                                                                            $500
o Pre-tax NPV8% = $609M with 37.2% IRR
                                                                                                    $0                                                                                                                                                                            $0
o After-tax NPV8% = $363M with 27.1% IRR

                                                                                                          2021
                                                                                                                 2022
                                                                                                                        2023
                                                                                                                               2024
                                                                                                                                      2025
                                                                                                                                             2026
                                                                                                                                                    2027
                                                                                                                                                           2028
                                                                                                                                                                  2029
                                                                                                                                                                         2030
                                                                                                                                                                                2031
                                                                                                                                                                                       2032
                                                                                                                                                                                              2033
                                                                                                                                                                                                     2034
                                                                                                                                                                                                            2035
                                                                                                                                                                                                                   2036
                                                                                                                                                                                                                          2037
                                                                                                                                                                                                                                 2038
                                                                                                                                                                                                                                        2039
                                                                                                                                                                                                                                               2040
                                                                                                                                                                                                                                                      2041
                                                                                                                                                                                                                                                             2042
                                                                                                                                                                                                                                                                    2043
                                                                                                                                                                                                                                                                           2044
o Payback period of 2.3 years pre-tax and                                                          -$50                                                                                                                                                                           -$500

  3.5 years after-tax                                                                             -$100
                                                                                                                                                                                                     After-tax cash flow
                                                                                                                                                                                                                                                                                  -$1,000
                                                                                                                                                                                                     Pre-tax cash flow
o Average annual production of 101 kt zinc
                                                                                                  -$150                                                                                              Cumulative after-tax cash flow                                               -$1,500
  and 0.9 Moz silver                                                                                                                                                                                 Cumulative pre-tax cash flow

o Total cash flows of $1,611M pre-tax and                                                         -$200                                                                                                                                                                           -$2,000

  $1,051M after-tax

PEA metal prices: $1.20/lb Zn, $0.95/lb Pb, and $18/oz Ag
Jan. 167, 2020 spot: $1.10/lb Zn, $0.90/lb Pb, and $18/oz Ag
                                                                                                                                                                                                                                                                                            26
Ayawilca Zinc Zone Cut-off Sensitivity
o Base case resources calculated at US$55/tonne cut-off)
o PEA was prepared using US$65/t cut-off to focus on higher grade resources
o Geotechnical studies to be conducted to determine if bulk underground mining methods could be
  used, which would allow a higher throughput operation extracting more of the resources

Zinc Zone Indicated Mineral Resources                                  Zinc Zone Inferred Mineral Resources
NSR US$/t Tonnage           ZnEq        Zn      Pb      Ag      In     NSR US$/t Tonnage     ZnEq    Zn   Pb      Ag      In
 Cut-off    (Mt)             (%)       (%)      (%)    (g/t)   (g/t)    Cut-off    (Mt)       (%)   (%)   (%)    (g/t)   (g/t)
    40         13.6         7.4         6.3     0.16    15       75        40         52.7   6.2    5.2   0.24    17      60
    50         12.4         7.9         6.7     0.17    15       80        50         48.1   6.5    5.4   0.24    17      64
    55         11.7         8.1        6.9      0.16    15       84        55         45.0   6.7    5.6   0.23    17      67
 (Base Case)                                                            (Base Case)

    60         10.8         8.5         7.2     0.16    16       89        60         41.5   7.0    5.8   0.23    18      70
    70          9.4         9.2         7.7     0.15    16       99        70         33.9   7.6    6.4   0.22    18      78
    80          7.9        10.0         8.4     0.15    17      111        80         26.9   8.3    6.9   0.22    20      86

See resource table for notes and ZnEq calculations                                                                               27
Tinka Resources Limited

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                                                                28
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