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1 “Silver Producer with a Golden Future” IR presentation - January 2013 www.intlminerals.com
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Page 1: Intl mineralsjan2013corppresentation

1

“Silver Producer with a Golden Future”

IR presentation - January 2013

www.intlminerals.com

Page 2: Intl mineralsjan2013corppresentation

2

Cautionary Statement

Some of the statements contained in this presentation are “forward-looking statements” within the meaning of Canadian securities law requirements. Such forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause our actual results, performance or achievements to differ materially from the anticipated results, performance or achievements expressed or implied by such forward-looking statements.

Forward-looking statements in this presentation include statements regarding drilling and development programs on the Company’s projects, timing of commencement of production, reserve/resource additions, completion of feasibility studies, obtaining of required environmental and production permits, timing and significance of future cash flows and dividends.

Factors that could cause actual results to differ materially from anticipated results include risks and uncertainties such as: risks relating to estimates of mineral resources and reserves; risks relating to project capital, production costs and cash flows; risks relating to obtaining mining and environmental permits; mining and development risks; risk of commodity price fluctuations; political and regulatory risk; general financial market and credit risks; other risks and uncertainties detailed in the IMZ’s Annual Information Form (dated September 28, 2012) and Management Discussion and Analysis for the year ended June 30, 2012, both of which are available at www.sedar.com.

Any forward-looking financial information provided may not be appropriate in relation to reporting under International Financial Reporting Standards (IFRS). Please refer to the Company’s latest financial statements and notes. These forward-looking statements speak only as of the date hereof. The Company undertakes no obligation to update publicly or release any revisions to these forward looking statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

Qualified Person: The Company’s VP Corporate Development, Nick Appleyard.

Dollar and Year References: “$” and “US$” refer to US dollars unless otherwise noted. Years refer to the respective calendar year unless otherwise noted as fiscal year (June 30).

Au = gold; Ag = silver; g/t = grams per metric tonne; M = million; $M = million dollars; Mt = million tonnes; oz or ozs = troy ounces; tpd = metric tonnes per day

Page 3: Intl mineralsjan2013corppresentation

3

Focus: Gold and Silver Deposits in the Americas

Large Resource Base: 9.5M Gold Equivalent Ounces

Pallancata Silver Mine, Peru (40% IMZ, 60% Hochschild) Estimated Production in 2012: ~9 Million Silver Equiv ozs World’s 6th largest primary silver mine

Inmaculada Gold-Silver Project, Peru (40% IMZ, 60% Hochschild) Production Start-up: 2H 2014 Production 2014: ~200,000 Gold Equiv ozs/year

Nevada (100% IMZ) Goldfield Gold Mine: start-up mid-2015 Converse Gold Property: pending further studies

Ecuador: Pending sale of assets

Financial Strength: $73M in cash and debt free

Announced initial dividend of C$0.12/share, payable Jan 31st.

IMZ – Overview

Peru 14%

USA 86%

Reserves and Resources

Pallancata, Peru

Page 4: Intl mineralsjan2013corppresentation

4

Shares Issued: 117.6 million

Fully Diluted Shares: 121.4 million Options: 3.8M

Recent Share Price: C$4.52

52-Week Range: C$4.00-C$5.81

IMZ - Capital Structure and Stock Performance

Dundee Securities (C) – D. Mah National Bank (C) – S. Parsons TD Securities (C) – S. Green Dahlman Rose (US) – A. Graf Bank Vontobel (SW) – P. Rafaisz Canaccord Genuity (UK) – T. Dudley Zürcher Kantonalbank (SW) – M. Schreiber

Analyst Coverage

Listings - Toronto and Swiss: Symbol “IMZ” Swiss Performance Index (SPI): Top 100

Market Capitalization: C$532 million (~$540 million)

Cash: $73 million

Debt Free

One year relative performance

Weighted in US$

Page 5: Intl mineralsjan2013corppresentation

5

IMZ - Key Financial Data - Fiscal years end June 30th

10%

5%

0%

Ret

urn

on E

quity

%

% Return on Equity (Cont. Ops; Pre-Tax Basis)

Pre-Tax Net Income from Continuing Operations

($ Millions)

15%

0.1%

7.2% US

$Mill

ions

Pre-Tax Cash Flow from Continuing And Discontinued Operations

($ Millions)

09 11 08 10 12

20%

8.9%

20.6%

Note: Fiscal 2011 and 2012 numbers reflect adoption of IFRS as of July 1, 2011.

13 Q1 annualized*

8.6%

US

$Mill

ions

$10

$40

$0

-$5

$30

1.6 4.0 09 11 08 10 12

$20

$50

$60

$70

$80

13 Q1 annualized*

35.9

18.9

39.7

19.3

72.4

$10

$5

$0

-$5

$15

09 11 08 10 12

$25

56.7

$35

$30

42.4*

$45

$20

$50

$55

$60

0.2

8.7

15.5

Min

e R

oyal

ty

30.4

24* 29.1

12.6%*

$40

13 Q1 annualized*

Page 6: Intl mineralsjan2013corppresentation

6

IMZ - Property Locations

Gaby

Pallancata Inmaculada

Rio Blanco

Page 7: Intl mineralsjan2013corppresentation

7

Production

Development

Drill Targets

Pallancata

Converse

Gemfield (Est Prodn 2015)

Inmaculada (Est Prodn 2014)

IMZ - Project Pipeline

Peru

U.S.A.

Del Oro/Rye Acoma

McMahon Ridge/Goldfield Main

Pallancata, Peru

Page 8: Intl mineralsjan2013corppresentation

8

IMZ - Reserves / Resources

Notes: 1. Average Au equiv conversion of 61:1 Ag to Au ratio for reserves and 62:1 for resources. 2. P+P = Proven and Probable Reserves 3. M+I = Measured and Indicated Resources 4. M+I includes P+P.

5.0

4.5

4.0

3.5

3.0

2.5 2.0

1.5 1.0

0.5

M+I Resources (83%) (Total 7.89 M ozs Au Eq)1,3,4

P+P Reserves (Total 1.32 M ozs Au Eq)1,2,4

Inferred Resources (17%) (Total 1.65 M ozs Au Eq)1

5.5

Gol

d Eq

uiva

lent

Oun

ces

(Mill

ions

) 6.0

10

5

0

Gol

d Eq

uiv

(M

illio

n O

zs)

08 10 07 09 Total M+I Gold Equiv Resources

11 12

Peru 14%

USA 86%

Reserves and Resources

Gol

dfie

ld (1

00%

)

Con

vers

e (1

00%

)

USA

Palla

ncat

a (4

0%)

Inm

acul

ada

(40%

)

Peru

Page 9: Intl mineralsjan2013corppresentation

9

IMZ - Project Summaries

Pallancata (40%)

Inmaculada (40%)

Goldfield (100%)

Converse (100%)

Location Peru Peru Nevada Nevada Metals Ag + Au Au+ Ag Au Au + Ag Type of Operation Underground Underground Open Pit Open Pit Status Production Development Development Advanced Expl Production Date N/A 2H 2014 Mid 2015 ? Annual Production 3.8M ozs Ag

12,000 ozs Au 50,000 ozs Au I.7M ozs Ag

66,000 ozs Au 110,000 ozs Au 638,000 ozs Ag

Mine Life 7.5 years 6.3 years 6.5 years 13.5 years Initial Capital Costs N/A $112M $133M $455M Total Cash Costs/oz (1) Net of By-Products

$9/oz Ag $265/oz Au $611/oz Au $745/oz Au

Economic Parameters (2)

at $1,500 Au, $25 Ag:

• Life of Mine Cash Flow $300-350M $335M $229M $936M • NPV @ 8% Disc. Rate --- $223M $110M $316M • IRR --- 55% 29% 37%

(1) By-product credit: Value of by-product metals are deducted from cash operating costs. (2) All amounts are pre-tax.

Page 10: Intl mineralsjan2013corppresentation

10

Pallancata76M oz M&I Ag Eq

(160 sq km)

Central Area(370 sq km)

Selene

Inmaculada1.5M oz M&I Au Eq

(210 sq km)

10 km

100% Hoch

60% Hoch40% IMZ}

IMZ - Pallancata Silver Mine (40% IMZ), Peru – Principal Veins

Pallancata West

Central Zone

Main Structure

To Mariana/ Mercedes/ San Javier

(Looking Northwest)

Suyamarca River

Ranichico (8% 2012 prodn.)

Mercedes

Camp

Pallancata- Plan View

Central Zone (51% 2012 prodn.)

View of Photograph

Pallancata West (37% 2012 prodn.)

Rina (2% 2012 prodn.)

Pallancata East (2% 2012 prodn.)

District Map

Page 11: Intl mineralsjan2013corppresentation

11

IMZ - Pallancata Mine, Peru (40% IMZ)

Mine • Underground, 3,000 tpd • Flotation circuit (concentrate) • Recoveries: 85% Ag, 70% Au

Mine Life • ~7 years, including current resources

2011 2012E

Ore production (tonnes) 1,070,500 t 1,050,000 t

Head grade Ag/Au 301g/t / 1.3g/t 286g/t / 1.4g/t

Production Ag/Au (oz)

8.8M oz Ag 33,881 oz Au

7.8M oz Ag 30,000 oz Au

Direct site costs/oz Ag (net of gold credit)

$2.20

$4.00E

IMZ total cash costs/oz (net of gold credit)

$6.38

$8.00E

2012 Est. Operating Cash Flow to IMZ

Ag Price / Ounce

$60

$24 $26 $28 $30 $32 $34

$50

$40

$ 30

Mill

ions

$36

$70

$53 $47

$41 $35

$28

$66

Post-Capex / Pre-Tax

2008 2009 2010

100% Production (40% to IMZ)

4.2

16

8.4

32

10.1

36

2011

8.8

34

2012E

32E

7.8E

Gold (,000 ozs) Silver (M ozs)

$59

Page 12: Intl mineralsjan2013corppresentation

12

IMZ – Pallancata, Resources replace production – Inmaculada is growing!

For initial investment of ~USD5mln, we have recouped over USD116 mln in net dividend payouts

-

20

40

60

80

100

120

140

160

180

Millions of Ounces

Pallancata silver equivalent resources (at 60:1 ratio)

M&I ounces Inferred ounces Mined Ounces

Inmaculada M&I Inmaculada Inf

Pallancata M + I +97%

Pallancata Inferred +3%

Pallancata Mined Ag Eq 48mln

Inmaculada Inferred Resources Inmaculada M + I

Page 13: Intl mineralsjan2013corppresentation

13

Angela

Lourdes

Martha

Cymoid Angela SW

Jimena

Melisa

Angela SW

Angela NE

Verónica

Shakira

Plan View – Multiple Veins near to Angela Vein*

Inmaculada

Further potential along Angela Vein (Long Section looking Northwest)*

IMZ - Inmaculada Project (40% IMZ), Peru - Angela Vein

*Source: Hochschild Mining plc

Vein Outcrop

Approximate Eastern Limit of Feasibility Study

Production adit at Inmaculada

Page 14: Intl mineralsjan2013corppresentation

14

IMZ - Inmaculada, Peru - IMZ 40% / HOC 60% - Feasibility Study Jan 2012

Operation • Underground, 3,500 tpd • Conventional cyanidation (dore) • Recovery: 96% Au, 91% Ag

Mine Life • 6.3 years (basis initial reserves)

Production Estimates

• Average/year: 124,000 oz Au, 4.2Moz Ag • Direct cash op costs /oz: $133 (net of Ag credit) • Total cash op costs/oz: $172 (net of Ag credit)

Initial Capital • $370 million - Nov 2012 update

Base Case Economics $1,100 Au, $18 Ag

• NPV0%: ~$323M ($194 after-tax) • NPV8%: $120M ($46 after-tax) • IRR: 18% (12% after-tax)

Sensitivity $1,500 Au, $25 Ag

• NPV0%= $821M ($492 after-tax), NPV8%=$433M ($236 after-tax), IRR = 38% (27% after-tax)

Outlook • Permitting ongoing, decline development underway Production Date : 2H 2014

Production Estimates (100% Project Basis)

.

70

1.7

128 113

4.3 5.2

99

4.6

2014 2015 2016 2017

Gold (,000 ozs) Silver (M ozs)

100% Project Basis 2014 Est. Pre-tax Operating Cash Flow to IMZ

Au Price / Ounce $900 $1100 $1300 $1500 $1700

$75

$50

$25

$ 0

Mill

ions

$100

$1900

$109 $93

$29 $45

$61 $77

$2100

$125

Page 15: Intl mineralsjan2013corppresentation

15

IMZ - Goldfield, Nevada - IMZ 100% - Development Stage

Historical Mining District in Southern Nevada Approx 4M oz gold production from 1903-1940’s at ~18 g/t

Three Gold Deposits (Gemfield, McMahon Ridge, Goldfield Main)

P+P Reserves*: 0.51M oz Au (14.3Mt at 1.1 g/t Au)

M+I Resources: 1.23M oz Au (31.1Mt at 1.2 g/t Au)

Inferred Resources: 0.44M oz Au (10.9Mt at 1.3 g/t Au)

Heap Leach Feasibility Study at Gemfield: July 2012 Basic engineering begins Q4 2012 – ends Q2 2013

Targeting Production in Mid 2015 (Gemfield only) 66,000 Au ozs/year, 6,000 tpd open-pit heap leach operation New met tests suggest a 7,500 tpd operation with 14% lower processing costs and

G & A is feasible. A new mine plan is scheduled for Q2 2013. Capex estimate: $133M (Plant/Infrastructure $93M, Mine $20M, Road $20M)

Total cash cost (with Ag by-product credit): $611/oz Au

Future Milling Scenario Under evaluation

Testing new drill targets outside of existing mineralized areas * P+P Reserves included in M+I Resources.

Page 16: Intl mineralsjan2013corppresentation

16

Reno - 4.5 hours

Las Vegas - 2.5 hours

IMZ - Goldfield, Nevada – Principal Gold Deposits

X-section

Page 17: Intl mineralsjan2013corppresentation

17

IMZ - Goldfield, Nevada: Gemfield Deposit Feasibility Study - July 2012

Operation • Open Pit., 6,000 tpd ( could rise to 7,500 tpd *) • Heap leach (dore) • Recovery: 84% Au

Mine Life • 6.5 years (basis initial reserves)

P&P Reserves (1)

$1,350/oz Gold • 511,000 oz Au (14.3 Mt @ 1.1 g/t Au)

M&I Resources(1)

(includes reserves) Inferred Res. (1)

• 574,000 oz Au (17.0 Mt @ 1.0 g/t Au) • 74,000 oz Au (4.2 Mt @ 0.6 g/t Au)

Production Estimates

• Average/year: 66,000 oz Au • Direct cash op costs /oz: $526 (net of Ag credit) • Total cash op costs/oz: $611 (net of Ag credit)

Initial Capital • $133 million (based on feasibility study July 2012)

Base Case Economics $1,350 Au

• NPV0%: ~$168M ($132M after-tax) • NPV 7%: $83M ($59M after-tax) • IRR: 22% (18% after-tax)

Outlook • Permitting ongoing, basic engineering underway • Production Date: Mid 2015

Production Estimates

73 81

62 55

Avg. Annual Est. Pre-tax Operating Cash Flow(2)

Au Price / Ounce $1100 $1350 $1600

Year 1 Year 2 Year 3 Year 4

Gold (,000ozs)

$30

$20

$10

$ 0

Mill

ions

$40

$1850

$57

$42

$10

$26

(1) Silver is not material . (2) Production and pre-tax operating cash flow on operating year basis. Silver revenue is

not material. (3) See appendix for details of July 2012 Feasibility Study. * See Nov 1st press release on Gemfield update.

$60

$50

Page 18: Intl mineralsjan2013corppresentation

18

IMZ - Converse, Nevada - IMZ 100% - Scoping Study - December 2011

Operation • Open pit, 45,000 tpd. • Heap leach (Dore) • Recovery: ~60% Au, 30% Ag

Mine Life • 13.5 years • Strip ratio 2.3:1

P&P Reserves

• No reserves defined to date

Resources

• M+I : 320Mt @ 0.50 g/t Au and 3.7 g/t Ag (5.2M oz Au, 38.0M oz Ag) • Inferred: 31.2Mt @ 0.51 g/t Au and 3.0 g/t Ag (507,000 oz Au, 3.0M oz Ag)

Production Estimates

• Average/year: 160,000 oz Au, 638,000 oz Ag • Direct cash cost /oz: $745 (net of Ag credit) • Total cash op costs/oz (incl capex): $998 (net of Ag credit)

Initial Capital • $455 million

Base Case Economics $1,300/oz Gold $25/oz Silver

• NPV0%: ~$494M • NPV8%: $70M • IRR: 11% • Cost per tonne ore processed: $8.35

Sensitivity • $1600/oz Au & $31/oz Ag: NPV0%= $1,158M, NPV8%= $440M, IRR=22%

Outlook • Further studies pending met test work Q4 2012

Production Estimate 219

156

183

151

Avg Pre-tax Operating Cash Flow /Year

Au Price / Ounce $1000 $1200 $1400 $1600 $1800

Year 1 Year 2 Year 3 Year 4

Gold (,000ozs)

$120

$80

$40

$ 0

Mill

ions

$160

$2000

$151 $119

-$13 $20

$53 $86

$184

$2200

$200

Page 19: Intl mineralsjan2013corppresentation

19

IMZ - Converse, Nevada - Regional Mines and Cross-Section

2

21

28 29

6

T33N

Trout Creek

Trenton Valmy

Trenton North Peak

Phoenix Fortitude

R42E R44E

32

20

16

10

80

4 4 9 0 0 0 0 N 4 5 0 0 0 0 0 N

4 5 2 0 0 0 0 N

490000E 470000E

33

Humboldt County Lander County

Humboldt County Pershing County 5

Converse Converse IMZ IMZ

MARIGOLD MINE

VALMY

TRENTON CANYON MINE Trenton Canyon Main

NEWMONT COPPER BASIN AREA

BUFFALO VALLEY MINE

NEWMONT COPPER CANYON AREA

R43E

LONE TREE MINE

480000E

80

Gold Mine, deposit IMZ- fee land

IMZ- BLM land

T32N

T31N

N

NEWMONT

GOLDCORP/BARRICK

4510000N

NEWMONT

NEWMONT

Schematic Cross Section Looking East

Conv-005C Conv-004C

TD=1,800ft (549m)

TD=2,388ft (728m)

17

IMZ drilling extended mineralization at depth

0 1 2 3

Miles

Page 20: Intl mineralsjan2013corppresentation

20

IMZ - 5 Year Estimates: Project Time Lines

Pallancata, Peru

Inmaculada, Peru

Goldfield, Nevada(1)

Converse, Nevada(2)

2012 2013 2014 2015 Q1 Q2 Q3

Feasibility

Further Development Pending

Permit / Construction

Permit / Construction

Production

Production

2016

Production

(1) Goldfield: - Heap leach scenario for Gemfield only. - Milling option for Goldfield Main (plus Gemfield and McMahon Ridge) yet to be fully evaluated. (2) Converse: - Further development pending results of metallurgical test work.

Pallancata, Peru

Goldfield, Nevada

Page 21: Intl mineralsjan2013corppresentation

21

IMZ - 5 Year Estimates: IMZ Production and Costs 2012-2016

80,000

60,000

2016

E

2011

A

2012

E

2013

E

2014

E

Gol

d E

quiv

alen

t Oun

ces*

100,000

1. Pallancata: Basis Dec 31, 2011 reserve and resource estimates. 2. Inmaculada: Basis Jan 2012 Feasibility Study. 3. Goldfield: Basis July 2012 Feasibility Study.

120,000

140,000

160,000

180,000 Pallancata (40% IMZ)

Total Cash Costs

Goldfield (100% IMZ)

Total Production Costs

Inmaculada (40% IMZ) 200,000

240,000

220,000

2015

E

$700

$600

$500

US

$/o

z P

rodu

ctio

n C

ost

$800

260,000

280,000

300,000

320,000

$900

$1000

$400

Industry-Average Total Cash Costs 1H 2012 ($720) **

Industry-Average Total Production Costs 1H 2012 ($930)**

Inmaculada, Peru

* Gold Equiv ozs based on average 50:1 silver-gold ratio ** Industry-average costs basis GFMS Gold Survey 2012 updated Sept 2012 – figures are 1H 2012 average

Page 22: Intl mineralsjan2013corppresentation

22

IMZ - 5 Year Estimates: Pre-tax Cash Flow from Operations

$0

2011

A

2012

E

2013

E

2014

E

$200

$100

$1,000 gold, $20 silver $1,500 gold, $30 silver $1,800 gold, $35 silver

1. Pallancata: Basis Dec 31, 2011 reserve and resource estimates. 1.2. Inmaculada: Basis Jan 2012 Feasibility Study (IMZ 40%). 2.3. Goldfield: Basis July 2012 Feasibility Study. 4. 2012 estimate does not include $38M from sale of Ruby Hill royalty.

$300

Goldfield (100% IMZ)

Pallancata (40% IMZ)

Production Royalty

Inmaculada (40% IMZ)

2015

E

2016

E

$ 0

$200

$100

$300

$1000 Au, $20 Ag

$1,500 Au, $30 Ag

$1,800 Au, $35 Ag

Converse, Nevada

Page 23: Intl mineralsjan2013corppresentation

23

IMZ – 5 Year Estimates: Total Costs

(1) Pallancata: Basis Dec. 31, 2011 reserve and resource estimates. Numbers include annual exploration estimates. (2) Inmaculada: Basis Jan 2012 Feasibility Study. HOC pays first $100M feasibility, development and capex. IMZ share of $315M total capex = $90M.

Assumes $140M of asset-based financing for project in 2013. Numbers include annual exploration estimates and principal/debt repayments. (3) Goldfield: Basis July 2012 Feasibility Study. Assumes $57M of debt financing in 2014 (total initial capex $133M). Numbers include principal/debt

repayments.

Goldfield

Inmaculada

Pallancata

Other Exploration + G&A

Projects $60

$100

$0

$80

$40

$120

$20

$140

2011A 2012E 2013E(2) 2014E(3) 2015E 2016E

$60

$100

$ 0

$80

$40

$120

$20

$140

57

49

87

78

122

78

Goldfield, Nevada

Page 24: Intl mineralsjan2013corppresentation

24

IMZ - 5 Year Estimates: Cum. Operating Cash Flow vs Total Spending

$200

2011A 2012E(1) 2013E(1) 2014E(2) $ 0

2015E

$600

$400

$800

$1,000

2016E

Cum. Capex + Other

Cum. Op. Cash. Flow $1,500 Au, $30 Ag

$200

$ 0

$600

$400

$800

$1,000

Cum. Op. Cash Flow $1,800 Au. $35 Ag

Cum. Op. Cash Flow $1,000 Au, $20 Ag

(1) Assumes $140M asset-based project financing at Inmaculada. Reduces IMZ capex contribution of $90M to $34M in 2012 and 2013. (2) Assumes $57M of debt financing for Goldfield in 2014 (total initial capex $133M).

Page 25: Intl mineralsjan2013corppresentation

25

Kirk

land

Lak

e

Rom

arco

B-2

Gol

d

Hig

h R

iver

Lake

Sho

re

San

Gol

d

Tim

min

s

Alac

er

Jagu

ar

Argo

naut

Intl

Min

s

GO

LDC

OR

P

BAR

RIC

K

AGN

ICO

Enterprise Value /Total Gold Resource Ounces

$200

$100

$50

EV U

S$/G

old

Res

ourc

e O

zs

$250

$300

$350

$400

Source: -Company Disclosure, Bloomberg. Based on most recent financials. - Resources include reserves. - Enterprise Value = market capitalization plus debt less cash.

$450

16

14 12

10

8

6

M +

I +

Infe

rred

Res

ourc

es (

ozs)

18

2

20

$49

38 231 220 116

4

$150

$35

ANG

LOG

OLD

22

Gol

den

Star

$129

$81

Total Resource Ozs

$57

$146

$209

$56

$256

Auriz

on

$55

$105 $80

$110

$244 $245

$146

$101

Page 26: Intl mineralsjan2013corppresentation

26

IMZ -The Investment case

Growing Production and Cash Flow Pallancata (IMZ’s 40% interest)

• 2012: ~3.6M oz Ag Equiv (65,000 oz Au Equiv) • 2012: ~$20-30M free cash flow

Inmaculada (IMZ’s 40% interest) • Production date: 2H 2014 • 78,000 oz/year Au Equiv • 2014 Free cash flow: ~$35-$40M

Growth from Nevada Gold Projects (IMZ 100%)

Production at Goldfield - mid 2015 Pending further studies at Converse - 2013

Maintain active exploration program Brownfield exploration on Goldfield lease, NV. Central Nevada (Del Oro/Rye) Southeastern Peru (Acoma)

Strong Balance Sheet $73M in cash and debt-free

Camp at Inmaculada, Peru

Production Adit, Inmaculada, Peru

Page 27: Intl mineralsjan2013corppresentation

27

IMZ - Value added

Ventura Gold Acquisition 2010 (for Inmaculada property)

USD mlns Acquisition cost, net 0.4 Exploration spending by IMZ 12.1

Total IMZ investment 12.5

Total Au Eq M + I ozs (IMZ 40% share) 0.4* * excludes 0.25 mln Inferred ozs

COST PER OUNCE (Au eq) USD Acquisition cost per ounce 1.00 Development cost per ounce 30.30 Total cost per ounce Au 31.3

TANGIBLE RESULTS TO DATE Inmaculada under construction Minimal IMZ initial capital obligations Significant resource expansion potential

Page 28: Intl mineralsjan2013corppresentation

28

IMZ – Value added

Metallic Ventures Purchase 2010 (for Goldfield and Converse projects)

USD mlns Acquisition cost, net 51.5 Cash received from royalty -47.8 Net cost to IMZ 3.7 Exploration spending by IMZ 25.4

Total IMZ investment 29.1

Total Au Eq M + I ozs mlns 6.79* (*excludes 1.08 mln Inferred Au Eq ozs)

COST PER OUNCE (Au eq) USD Acquisition cost per ounce 0.54 Development cost per ounce 3.74 Total cost per ounce Au 4.29

TANGIBLE RESULTS TO DATE One mine (Goldfield) in development Significant resource expansion potential

Page 29: Intl mineralsjan2013corppresentation

29

IMZ - News Flow/Catalysts in 2012/2013 Q2 Financial Results: - Feb 14 2013

Nevada, USA:

Goldfield: - Project update - Q2 2013

Converse: - Metallurgical testwork update - Q4 2012 - Decision on Further studies - Q4 2012

Del Oro/Rye: - Drill Permitting commenced - Q4 2012

- Commence drilling - Q2 2013 Peru:

Inmaculada project update - Q1 2013 Pallancata Q4 production stats - Q1 2013 Pallancata Ore Resource update - Q1 2013

Ecuador:

Sale of projects - Q4 2012/Q1 2013

Page 30: Intl mineralsjan2013corppresentation

30

IMZ - Directors, Officers and Senior Management

Directors Position Profession Nationality

Stephen Kay President/CEO Geologist British

Rod McKeen Corp. Secretary and Legal Counsel, Canada

Lawyer Canadian

Mike Smith Audit Committee Chairman Lead Independent Director

Chartered Accountant

Canadian

Gabriel Bianchi Independent Director Asset Manager Swiss

Roberto Baquerizo Independent Director Asset Manager Ecuadorian/U.S.

Jorge Paz Legal Counsel, Ecuador Lawyer Ecuadorian/Swiss

John Hick Independent Director Lawyer Canadian

Other Senior Management and Officers

Scott Brunsdon

Nick Appleyard

CFO

VP Corp. Development

Economist

Geologist

Canadian/U.S.

Australian

Paul Durham VP Corp. Relations Geologist British

Alan Matthews VP Special Projects Mining Engineer British

Page 31: Intl mineralsjan2013corppresentation

31

IMZ - Contact Information

Website: www.intlminerals.com

Investor Relations

• Paul Durham VP - Corporate Relations Office phone: +1 (203) 883-8359

Cell Phone: +1 (203) 940-2538 Email: [email protected] • Christine Stewart Renmark Financial (Canada) Toronto Office: +1 (416) 644 2020 Montreal Office: +1 (514) 939 3989 Email: [email protected]

Headquarters (U.S.A.)

• Stephen Kay President and Chief Executive Officer Phoenix office: +1 (480) 483-9932 Fax: +1 (480) 483-9926 Email: [email protected]

• Oliver Holzer Marketing Consultant (Europe) Swiss office: +41 44 853 00 47 Mobile: +41 79 402 39 33 Email: [email protected]

Page 32: Intl mineralsjan2013corppresentation

32

APPENDIX & FOOTNOTES

1. See slides below for the details of Pallancata and Rio Blanco reserve/resource estimates and the Converse, Goldfield and Gaby resource estimates. Inmaculada reserve and resource estimates are shown in slides 15 & 38. Please refer to the Company’s NI 43-101 reports and related news releases filed on SEDAR for a discussion of assumptions, parameters and material risk factors. Estimated mineral resources that are not mineral reserves do not have demonstrated economic viability.

2. The Inmaculada feasibility study information and reserve and resource estimates were announced in a news release dated January 11, 2012. A Technical Report on Inmaculada was filed by the Company on SEDAR on February 24, 2012.

3. The Goldfield feasibility study information and reserve and resource estimates were announced in a news release dated July 17, 2012. A Technical Report on Inmaculada was filed by the Company on SEDAR on August 31, 2012.

4. The Rio Blanco data for production, cash costs, capex and operating cash flow (slide 47) are presented on a pre-tax, pre-government royalty and pre-windfall tax basis, as reported in a Feb 19, 2009 Company news release about Rio Blanco’s updated costs. Life of mine production for the February 2009 estimate is based only on mineral reserves of the Alejandra North and San Luis deposits at Rio Blanco.

5. Gaby’s annual production, cash costs and capex estimates (slide 52) are sourced from an addendum to the preliminary feasibility study (PFS) announced in a January 29, 2009 Company news release.

6. Rio Blanco’s and Gaby’s outlook and production start-up estimates are dependent on continuation of project development pending a review of options to optimize value to shareholders.

7. Goldfield Main resource estimate is classified in accordance with CIM guidelines by independent consultant R. Mohan Srivastava, a Qualified Person under NI 43-101 and has an effective date of February 1, 2011. Gemfield reserve estimate was prepared by D. Anderson of Micon International Ltd (July 2012). Gemfield and McMahon Ridge resource estimates were calculated by R. Mohan Srivastava with an effective date of July 17, 2012.

8. IMZ uses the Gold Institute’s definition of “Total Cash Costs”. For Pallancata, IMZ’s Total Cash Costs per ounce of silver produced, net of gold credit, include mine operating costs, mined ore inventory adjustment, toll processing and mine general and administrative costs, Hochschild’s management fee, concentrate transportation and smelting costs, taxes (other than federal income tax) and Peruvian government royalty. Direct Site Costs per ounce silver comprise direct mining, mined ore inventory adjustment, toll processing and mine general and administrative costs (net of gold by-product credit).

9. IMZ accounts for its 40% ownership of the Pallancata Mine and the Inmaculada project on an equity accounting basis. 10. Production at Pallancata is shown from start-up of mining operations, September 2007.

Page 33: Intl mineralsjan2013corppresentation

33

Pallancata - December 31, 2011 Reserves & Resources

Notes: 1. Gold equivalent and silver equivalent values based on 60:1 silver-gold ratio 2. Measured and Indicated Resources include Proven and Probable Reserves 3. Cut off grade of 144 g/t silver. 4. Resource and reserve estimates have an effective date of December 31, 2011. 5. Numbers have been rounded in all categories to reflect the precision of the estimates. 6. Hochschild’s data and methodology were reviewed by IMZ’s VP of Corporate Development, Nick Appleyard and VP Special Projects,

Alan Matthews, both Qualified Persons as defined by National Instrument 43-101.

Reserves Tonnes Silver (g/t)

Gold (g/t)

Silver (oz)

Gold (oz)

Silver Equiv (1)

(M of oz)

Gold Equiv (1)

(M of oz)

Proven & Probable 3,450,000 287 1.4 31,848,000 152,000 41.0M 683,000

Resources

Measured & Indicated (2)

5,015,000 372 1.7 60,006,000 278,000 76.7M 1,278,000

Inferred Resource 2,813,000 347 1.5 31,335,000 132,000 39.3M 654,000

100% Basis (40% Attributable to IMZ) Basis $1,080 gold, $18.00 silver, Cut-off Grade 144 g/t silver

Page 34: Intl mineralsjan2013corppresentation

34

Pallancata Longitudinal Section - Looking Northeast

DDH OROVEGA

DDH HOC . ejecutado

DDH Programa 2010

DDH Programa 2011

SYMBOLS LITHOLOGIES

T. And. - Pómez T. And. - Lapilli

L. And.Porf. T. And.- Lit..

L. And.Afan. Domo / Flujo Rhyodacite

Hipabisal Diorite

Measured Resources

Indicated Resources

Inferred Resources

RESOURCES

EXTREMO SUR ESTE

Domo Sarnahuiri

3,000

3,400

3,800

4,200

4,400

4,600

4,800

4,000

3,600

3,200

HUARARANI NW PALLANCATA

SOUTHEAST PALLANCATA

CENTRAL PALLANCATA

WEST PALLANCATA

EAST

EXTREME SOUTHEAST

PALLANCATA WEST = Areas Currently in Production

1,300m 5,000m

PALLANCATA SOUTHEAST

= Areas in Development

A A’

Page 35: Intl mineralsjan2013corppresentation

35

Inmaculada - Multiple Targets

14,672 ha. property

Inmaculada

Angela Vein

Angela Vein Outcrop

Page 36: Intl mineralsjan2013corppresentation

36

10

10

50

50

100 10

50

4600 m

50

50

10

10

SW NE

4200 m

25

10

25

50

10

10 25

25 50

100

50

139

10

25

100

10

100

50

100 50

1000

0

100

25

100

100

25

25

25

100

1005

0

1010

0

1015

0

1020

0

1025

0

1030

0

1035

0

1040

0

1045

0

1050

0

1055

0

1060

0

1065

0

1070

0

1075

0

1080

0

1085

0

1090

0

1140

0

1100

0

1145

0

1110

0

1120

0

1130

0

1150

0

1160

0

1170

0

1180

0

1190

0

1200

0

Meters 50 100 0 200

o

o

o

o

o

o

Surface

Grade-Thickness Contours: Au Equivalent (g/t) x true width (m)

Drill Holes with No Significant Values

Drill Hole Mineralized Intercepts

25 50

10 100

o

Eastern Limit of Feasibility Study

Inmaculada - Angela Vein - Long Section (Looking Northwest)

4300 m

4400 m

4500 m

Inmaculada

Vein Outcrop

21,000 Hectares (210 sq km) - 60 km SW of Pallancata

Similar Low-Sulfidation Epithermal Vein System

Over 2 km in Strike Length and 300m Vertical Extent

Open East and West and One of Multiple Veins on Property

99% of Known Mineralization Not Exposed on Surface

Page 37: Intl mineralsjan2013corppresentation

37

Inmaculada, Peru - Reserves & Resources- January 2012

1. Numbers are rounded to reflect the precision of a resource estimate. 2. Measured and Indicated Resources include Proven and Probable Reserves. 3. Cut-off grade for estimated Reserves is 2.3 g/t gold equivalent. Cutoff grade for estimated Resources is 1.5 g/t gold equivalent. Gold equivalent ounces are

estimated for mineral resources using a 60:1 silver to gold ratio. 4. The estimated mineral resources that are not mineral reserves do not have demonstrated economic viability. 5. To limit the influence of individual high-grade samples, grade capping was used. Gold assay grades were capped at 100 g/t and silver grades were capped at 5,000

g/t for the Angela vein which contributes 95% of the measured and indicated tonnage and 97% of the gold equivalent ounces. Minor veins were capped at variable values ranging from 5 g/t to 50 g/t gold and 500 g/t to 1,250 g/t silver.

6. An estimated dry bulk density of 2.51 tonnes per cubic meter was used for all mineralized rocks. 7. The grades were interpolated using the “Ordinary Kriging” estimation technique. 8. The contained metal reserve estimates include mining dilution (averaging 28% at a grade of 0.3 g/t Au and 11 g/t Ag) and 3% ore losses , but remain subject to

process recovery losses. 9. The mineral resources were estimated using the Canadian Institute of Mining, Metallurgy and Petroleum (CIM),Standards on Mineral Resources and Reserves,

Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions and adopted by the CIM Council December 11, 2005. 10. The reserve and resource estimates have an effective date of January 11, 2012.

Reserves Million Tonnes

Gold (g/t)

Silver (g/t)

Gold (oz)

Silver (oz)

Gold Equiv (oz)

Proven 3.844 3.40 106 421,000 13,125,000 640,000

Probable 3.958 3.33 134 424,000 17,796,000 707,000

Proven & Probable 7.801 3.37 120 845,000 30,140,000 1,347,000

Resources

Measured 3.28 4.10 128 430,000 13,500,000 655,000

Indicated 3.78 4.05 159 490,000 19,300,000 812,000

Measured & Indicated (2) 7.07 4.07 144 930,000 32,800,000 1,477,000

Inferred Resources 4.94 3.91 152 620,000 24,200,000 1,023,000

100% Project Basis, 40% Attributable to IMZ Base-Case: $1,100 Gold, $18.00 Silver

Page 38: Intl mineralsjan2013corppresentation

38

Inmaculada, Peru (40% IMZ, 60% Hochschild) - Feasibility Study Results Item Units 100% Project IMZ 40% Base Case gold price $ per ounce $1100 $1100 Base Case silver Price $ per ounce $18 $18 Initial Mine life years 6.3 6.3 Expected Production Date date Dec. 2013 Dec. 2013 Average annual gold production ounces/year 124,000 49,600 Average annual silver production ounces/year 4,204,000 1,682,000 Average annual gold equiv. production4 ounces/year 194,000 78,000 Life-of-mine gold production ounces 783,000 313,000 Life-of-mine silver production ounces 26,488,000 10,600,000 Life-of-mine gold equiv. production4 ounces 1,220,000 488,000 Plant processing rate (3,500 tpd) tonnes/year 1,260,000 1,260,000 Metallurgical recovery – gold % 95.6% 95.6% Metallurgical recovery – silver % 90.6% 90.6% Initial capital 2 $ millions $315 $91 Direct site costs 3 per tonne processed $74 $74 Direct site costs3, 5 per ounce Au (with Ag credit) $133 $133 Total cash operating costs3,5, 6,7 per ounce Au (with Ag credit) $172 $262 IRR pre-tax/post-tax % 18% / 12% 26% / 21% Pre-tax /post-tax cash flow (non-discounted)

$ millions $323 / $194 $136 / $95

Pre-tax/post-tax NPV, 5% discount rate $ millions $181 / $90 $85 / $57 Pre-tax/post-tax NPV, 8% discount rate $ millions $120 / $46 $63 / $40

1. IMZ owns a 40% interest in the Inmaculada project. Under the joint venture agreement signed between IMZ and Hochschild, in December 2010, Hochschild must contribute the first $100 million of feasibility study, project development and capital costs with subsequent costs funded 60% by Hochschild and 40% by IMZ. Hochschild will receive a 7% management fee as operator of Inmaculada. Table does not consider the impact of these agreement terms.

2. Initial capital includes $25 million in contingency allowance and is based on Q4 2011 estimates. No escalation factors have been applied. 3. Direct site costs include mining, processing and mine administration. Total cash operating costs include direct site costs plus estimates of refining charges

and government royalty (but do not include workers profit sharing which is 8% of net income). IMZ costs also include estimate of management fee. 4. Gold equivalent (“gold equiv.”) numbers are estimated using a silver-to-gold ratio of 60:1 calculated by using the ratio of the base case metal prices. 5. By-product accounting subtracts the revenue generated by silver from the total operating costs to determine the cost per ounce of gold. 6. For comparative purposes, if IMZ had selected co-product accounting, the resulting total cash operating costs on a 100% project basis are estimated to be

$502/oz of gold and $8.20/oz of silver. 7. For comparative purposes, if IMZ had selected co-product accounting, the resulting total cash operating costs for IMZ’s 40% interest of the project are

estimated to be $560/oz of gold and $9.15/oz of silver.

Page 39: Intl mineralsjan2013corppresentation

39

Inmaculada, Peru - Sensitivity to Gold & Silver Prices

Gold Price / Silver Price ($/oz) BASE CASE

Category

$900 / $15.00

$1,100 / $18.00

$1,300 / $21.00

$1,500 / $25.00

$1,700 / $28.00

$1,900 / $31.00

IRR 5% / 9% 18% / 26% 28% / 40% 38% / 55% 46% / 67% 53% / 78% Cash Flow ($ millions)

$88 / $42 $323 / $136 $559 / $231 $821 / $335 $1,057 / $429 $1,292 / $523

NPV 5% ($ millions)

$6 / $15 $181 / $85 $356 / $155 $551 / $233 $726 / $302 $901 / $372

NPV 8% ($ millions)

-$28 / $3 $120 / $63 $268 / $122 $433 / $188 $581 / $247 $729 / $306

Pre-tax Sensitivity Analyses 100% Project Basis v 40% Attributable to IMZ

(base-case in bold)

NOTE: $181 / $85 = 100% Project Basis / 40% Attributable to IMZ

Page 40: Intl mineralsjan2013corppresentation

40

Milltown

Gemfield Principal Gold Deposit

Other Targets

Goldfield Main: 780,000 oz Gemfield: 560,000 oz McMahon Ridge: 285,000 oz

Gold Resources: 1.6M ozs

Goldfield, Nevada – Principal Target Areas

Main Goldfield

Reno - 4.5 hours

Las Vegas - 2.5 hours

McMahon Ridge

Gemfield

Midnight

Belmont

NE Goldfield

Tognoni

Tom Keane

Central Zone

Milltown

Mineral Wealth

Sinter

Simerone

Gemfield SE

Esm

eral

da C

ount

y N

ye C

ount

y

Miles

0 0.5 1.0 1.5

Page 41: Intl mineralsjan2013corppresentation

41

Newly Discovered Mineralized Zone at Gemfield Project, Goldfield, Nevada

Page 42: Intl mineralsjan2013corppresentation

42

Goldfield, Nevada - NI 43-101 Mineral Resources*

Prospect Resources Tonnes Gold (g/t)

Contained Gold (oz)

Gemfield (cut-off 0.3 g/t gold)

Measured 12,182,000 1.1 438,000

Indicated 4,852,000 0.9 136,000

M & I 17,034,000 1.0 574,000

Inferred 4,173,000 0.6 74,000

Proven 11,041,000 1.2 412,000

Probable 3,246,000 0.9 99,000

P & P 14,287,000 1.1 511,000

McMahon Ridge (cut-off 0.4 g/t gold)

Measured -------- ----- ---------

Indicated 5,514,000 1.3 238,000

M & I 5,514,000 1.3 238,000

Inferred 108,000 1.1 4,000

Goldfield Main (cut-off 0.4 g/t gold)

Measured -------- ----- ---------

Indicated 8,549,000 1.5 421,000

M & I 8,549,000 1.5 421,000

Inferred 6,591,000 1.7 360,000

Total Goldfield (see cutoff grades above)

Measured 12,182,000 1.1 438,000

Indicated 18,915,000 1.3 795,000

M & I 31,097,000 1.2 1,233,000

Inferred 10,872,000 1.3 438,000

Proven 11,041,000 1.2 412,000

Probable 3,246,000 0.9 99,000

P & P 14,287,000 1.1 511,000

*Goldfield Main resource estimate is classified in accordance with CIM guidelines by independent consultant R. Mohan Srivastava, a Qualified Person under NI 43-101 and has an effective date of February 1, 2011. Gemfield reserve estimate was prepared by D. Anderson of Micon International Ltd (July 2012). Gemfield and McMahon Ridge resource estimates were calculated by R. Mohan Srivastava with an effective date of July 17, 2012.

Page 43: Intl mineralsjan2013corppresentation

43

Goldfield, Nevada - Gemfield Deposit: Feasibility Study Results- July 2012

Item Units 100% Project Base Case gold price $ per ounce $1,350 Initial Mine life years 6.5 Average annual gold production ounces/year 66,000 Life-of-mine gold production ounces 430,000 Plant processing rate (6,000 tpd) tonnes/year 2,190,000 Average Metallurgical recovery – gold % 84% Initial capital cost 1 $ millions $133 Sustaining capital cost $ millions $16 Direct site costs 2 per tonne processed $15.67 Cash operating costs (with Ag credit) 2,5 per ounce Au $526 Total cash operating costs (with Ag credit) 2,5 per ounce Au $611 IRR pre-tax/post-tax 3,4 % 22% / 18% Pre-tax /post-tax cash flow (non-discounted) 3,4 $ millions $168 / $132 Pre-tax/post-tax NPV, 5% discount rate 3,4 $ millions $102 / $75 Pre-tax/post-tax NPV, 7% discount rate 3,4 $ millions $83 / $59

1) Initial capital of $133M includes $20M in contingency allowance and is based on Q2 2012 estimates. No escalation factors have been

applied. Capital breakdown: Plant and Infrastructure $93M, Road $20M, Mine $20M. 2) Direct site operating costs include mining, processing and G&A costs. Cash operating costs include direct site costs plus estimates of

transport and refining charges, net the silver credit. Total cash costs include cash operating costs plus a 5% NSR royalty and the Nevada Net Proceeds on Minerals tax. Direct site operating costs per tonne of ore comprise processing $6.36, mining $6.39 and G&A $2.92.

3) Cash flow and NPV estimates all include a 5% Net Smelter Return (“NSR”) royalty due to a third party. 4) The after-tax estimates include all income taxes applied to the project. 5) By-product accounting subtracts the revenue generated by silver from the total operating costs to determine the cost per ounce of gold.

Total silver revenue for the base case is approximately $2M, less than 0.5% of the estimated total project revenue. 6) Initial capital costs includes $19M to re-align US Highway 95 (see further information below).

Page 44: Intl mineralsjan2013corppresentation

44

Goldfield, Nevada – Gemfield Deposit: Sensitivity to Gold Price

Pre-tax Sensitivity Analyses

Page 45: Intl mineralsjan2013corppresentation

45

Goldfield, Nevada - Gemfield Deposit - Cross Section

Cross Section 47,000N (Looking North)

Page 46: Intl mineralsjan2013corppresentation

46

Converse, Nevada - Updated Resources - December 2011

Resources Tonnes Gold (g/t)

Silver (g/t)

Gold (oz)

Silver (oz)

Equivalent Gold (oz)

Measured 221,172,000 0.51 3.91 3,590,000 27,828,000 3,868,000

Indicated 99,057,000 0.50 3.18 1,582,000 110,125,000 1,683,000

Measured & Indicated

320,229,000 0.50 3.69 5,172,000 37,953,000 5,552,000

Inferred 31,242,000 0.51 3.00 507,000 3,013,000 537,000

1. Numbers are rounded to reflect the precision of a resource estimate. 2. The estimated mineral resources that are not mineral reserves do not have demonstrated economic viability. 3. Gold equivalent ounces are estimated for mineral resources using 100:1 silver to gold ratio that assumes base case metal prices of

$1,300 and $25 for gold and silver respectively and metallurgical recoveries of 60% for gold and 31% for silver. 4. To limit the influence of individual high-grade samples, grade cutting was used. Gold assay grades were capped at 15 g/t and silver

grades were capped at 100 g/t. 5. Average dry bulk densities of 2.72 tonnes per cubic meter were used for all mineralized rocks. 6. The grades were interpolated using the “Ordinary Kriging” estimation technique. 7. Descriptions of parameters to determine “Measured”, “Indicated” and “Inferred” resources are provided below. 8. The contained metal estimates remain subject to factors such as mining dilution and losses and, process recovery losses. 9. The mineral resources in this press release were estimated using the Canadian Institute of Mining, Metallurgy and Petroleum (CIM),

CIM Standards on Mineral Resources and Reserves, Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions and adopted by CIM Council December 11, 2005.

10. IMZ is not aware of any known environmental, permitting, legal, title, taxation, socio-economic, marketing, political, or other relevant factors that could materially affect the validity of these resource estimates.

Page 47: Intl mineralsjan2013corppresentation

47

Converse Project, Nevada - Scoping Study Results

Item Units

Base Case gold price $ per ounce $1300 Base Case silver price $ per ounce $25 Initial mine life years 13.5 Strip ratio Waste rock : mineralized rock 2.3 : 1 Average annual gold production ounces/year 160,000 Average annual silver production ounces/year 638,000 Average annual gold equiv. production4 ounces/year 173,000 Life-of-mine gold production ounces 2,165,000 Life-of-mine silver production ounces 8,471,000 Life-of-mine gold equiv. production4 ounces 2,328,000 Plant processing rate (~45,000 tpd) tonnes/year 16,556,000 Metallurgical recovery – gold % 60% Metallurgical recovery – silver % 31% Initial capital 2 $ millions $455 Total cash operating cost 3 per tonne processed $8.35 Total cash operating cost 5 per ounce Au (with Ag credit) $745 Pre-tax IRR % 10.5% Pre-tax cash flow (non-discounted) 6 $ millions $494 Pre-tax NPV, 5% discount rate 6 $ millions $185 Pre-tax NPV, 8% discount rate 6 $ millions $70

1) The scoping study is preliminary in nature, in that 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. There is no certainty that the results of the scoping study will be realized and actual results may vary substantially.

2) Initial Capital includes $60 million in contingency allowance. Costs are based on Q3 2011 estimates and no escalation factors have been applied. 3) Total Cash Operating costs include estimates of refining charges. 4) Gold equivalents for production are estimated using a silver-to-gold ratio of 52:1 calculated by using the base case metal prices. 5) By-product accounting subtracts the revenue generated by silver from the total operating costs to determine the cost per ounce of gold. 6) Cash flow and Net Present values (“NPV”) are all shown pre-tax, but include 5% net smelter return (“NSR”) royalty payable to third parties and

refining and transportation charges. 7) Mineral resources that are not mineral reserves do not have demonstrated economic viability.

Page 48: Intl mineralsjan2013corppresentation

48

Converse Project, Nevada- Sensitivity to Gold & Silver Prices

Gold Price / Silver Price ($/oz) BASE CASE

Category

$1,000/ $19.00

$1,200/ $23.00

$1,300/ $25.00

$1,400/ $27.00

$1,600/ $31.00

$1,800/ $35.00

$2,000/ $39.00

IRR -4.3% 6.0% 10.5% 14.7% 22.5% 29.8% 36.8% Cash Flow ($ millions)

-171 272 494 715 1,158 1,602 2,045

NPV 5% ($ millions)

-269 33 185 336 639 941 1,244

NPV 8% ($ millions)

-300 -54 70 193 440 687 934

Pre-tax Sensitivity Analyses (base-case in bold)

Page 49: Intl mineralsjan2013corppresentation

49

IMZ - Decision to Exit Ecuador

20 years exploring in Ecuador

Mining industry basically shutdown since April 2008 No history of large-scale mining as “guideline” to show economic

benefits of mining industry to government and population Increasing political and social/community risks Lack of clarity in implementation of new mining regulations Punitive components of mining/tax laws

Advance royalty payments payable ahead of production Windfall Revenue Tax restricts upside potential (unique in the world) Minimum 50% of profits guaranteed to government

IMZ can better utilize its management and financial resources in other more mining-friendly jurisdictions.

Page 50: Intl mineralsjan2013corppresentation

50

Rio Blanco – Alejandra North Vein and Regional Cross Section

Geology Alteration Mineralized zones Silicification Diorite Illitic Lapilli Tuffs Propylitic Andesite Faults

Dorada

Alejandra North Vein

San Luis Veins

Loma Larga

0 1 Km

3,600

3,400

IMZ Camp Arco Iris

Alejandra South

0.5 Km

3,800

Prospective targets not included in resource estimate

Zones included in current resource

estimates

4,000 Regional Cross Section (Looking West)

Upper Adit 29.9m @ 21.9 gt Au, 216 g/t Ag

(Incl. 4.5m @ 83.0 g/t Au, 1,060g/t Ag)

Area of Vein at Surface

Highly altered volcanics with high As, Sb, Hg

Area of San Luis Veins (at depth)

Projected Trace of Vein Underground

View Looking North

Long Section (Looking North)

LEGEND Contour Interval:

(in gm-meters gold)

20 g*m 50 g*m

100 g*m

Core Drill Hole Pierce Points Multiple Intersections

East West

Adit BP-4

3900

Upper Adit

0 50 100 150 Meters

3800

3700

3600

Surface

Fault

Page 51: Intl mineralsjan2013corppresentation

51

Rio Blanco, Ecuador - IMZ 100% - Permitting Stage

Operation • Underground, vein, 800 tpd. Ramp access. • Agitation leach circuit. Merrill Crowe recovery. • Recovery: 88% Au, 70% Ag

Mine Life • 7.5 years (basis current reserves)

P&P Reserves - 2006 feas study ($475 Au)

• 2.1Mt @ 8.8 g/t Au + 62 g/t Ag 605,000 ozs Au + 4.3M ozs Ag (658,000 oz Au Equiv)

Resources (2006)

• M+I (incl. reserves): 2.2Mt @9.5g/t Au + 69 g/t Ag 661,000 oz Au, 4.8M oz Ag (721,000 oz Au Equiv) • Inferred: 3.6Mt @ 3.0 g/t Au + 17 g/t Ag 354,000 oz Au, 2.0M oz Ag (379,000 oz Au Equiv)

Production Estimates (2009)

• Average/year: 71,000 oz Au, 400,000 oz Ag • Total cash costs/oz: ~$300 (net of Ag credit)*

Initial Capex • Feb 2009 estimate : $120 million

Cash Flow at $1,500 Au (2009)

• Average Annual Operating CF: ~$80M • NPV10%: $266M • IRR: ~ 57%

Outlook • Evaluating options to optimize value

Production Estimate (Basis 2006 Feasibility Study)

97

280

78 76

475 430

76

440

Avg. Year Pre-tax Operating Cash Flow

Au Price / Ounce $1000 $1100 $1200 $1300 $1400

Year 1 Year 2 Year 3 Year 4

Gold (,000ozs) Silver (,000 ozs)

$80

$60

$40

$ 20

Mill

ions

$100

$1500

$79 $73

$47 $53 $60

$66

$86

* 2011 in-house estimate for total cash cost/oz is approximately $450 (net of silver credit) and assuming government production royalty of 6% NSR.

$1600

Page 52: Intl mineralsjan2013corppresentation

52

Rio Blanco, Ecuador - 2006 Reserves & Resources

Notes 1. Gold equivalent value based on 80:1 silver-gold ratio 2. Measured & Indicated Resources include Proven & Probable Reserves 3. Updated from January 2006 feasibility study to include San Luis Vein 4. Gold cut-off grade = 4.0 g/t 5. Effective date of October 12, 2006. 6. The mineral reserve and resource estimate for the Alejandra North deposit was prepared in accordance with NI

43-101 by Micon’s Qualified Persons, Senior Geologist Paul Gribble, P.Eng. and Mining Engineer Malcolm Buck. The updated mineral resource estimate, including the San Luis deposit, was prepared by IMZ’s Qualified Person, VP-Corporate Development Nick Appleyard.

Discovery Cost per Total Resource Ounces = ~$35/oz gold equivalent

Resources Tonnes Gold (g/t)

Silver (g/t)

Gold (oz)

Silver (oz)

Gold Equiv (1)

(oz)

Measured & Indicated (2)(3) 2,150,000 9.5 69 661,000 4,785,000 721,000

Inferred Resource (3) 3,620,000 3.0 17 354,000 1,976,000 379,000

Reserves Tonnes Gold (g/t)

Silver (g/t)

Gold (oz)

Silver (oz)

Gold Equiv (1)

(oz)

Proven & Probable 2,147,448 8.8 62 605,000 4,307,000 658,000

100% IMZ Basis $475 gold

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53

Summary Initial Mine Life 7.5 years Average Annual Gold Production 71,000 oz Average Annual Silver Production 400,000 oz Life of Mine Gold Production 531,600 oz Life of Mine Silver Production 2,996,000 oz Plant Process Rate 800 tpd Initial Capital $ 120.0 million Total Cash Costs/oz gold (net of silver) $ 295 oz

Gold Price (All figures are in $ millions)

$750 (Base Case)

$1,000

$1,100 $1,200 $1,400 $1,500

NPV @ 5% $63 $164 $205 $245 $326 $367

NPV @ 10% $29 $108 $140 $171 $234 $266

Cash Flow $113 $246 $299 $352 $458 $511

IRR % 16% 32% 37% 42% 52% 57%

Notes 1. Excluding start-up working capital of $13.2 million. 2. Total Cash Costs per ounce of gold is shown net of silver credit. Total Cash Costs (using the Gold Institute’s

definition) comprise mine operating costs, processing costs, mine general and administrative costs, transportation and refining costs, local and payroll taxes. Excluded at Rio Blanco are Ecuadorian government royalty, windfall and income taxes.

3. Includes Ecuadorian value added tax (IVA), which is not recoverable. 4. Excludes government royalty of minimum 5% of sales and 70% windfall revenue tax. 5. No escalation for operating or capital costs above the base case scenario.

Rio Blanco, Ecuador - Basis February 2009 Costs

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54

1 km

Ponce Enriquez

N

Gaby, Ecuador - Property and Deposits

Papa Grande Deposit M&I: 1.6M oz (0.8M to IMZ)

Inferred: 0.8M oz (0.4M oz to IMZ)

M&I Resources: 7M oz Au

Inferred Resources: 3M ozs Au (4.1M oz to IMZ)

(1.8M oz to IMZ)

Combined Deposits Port of Guayaquil 140 km

Main Gaby Deposit M&I: 5.4M oz (3.3M oz to IMZ)

Inferred: 2.1M oz (1.4M oz to IMZ)

Tama Zone (vein)

Port of Machala 50 km

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55

Main Gaby Deposit: Schematic Cross-Section (Looking West)

South

Main Gaby Deposit (+0.4 g/t Gold) Intrusive

Higher-Grade Gold Zones (+1 g/t Au)

Camp

Sea Level

100 m

200 m

300 m Pit Outline

200 m

North

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56

Gaby, Ecuador - IMZ 60% - Feb ‘08 Pre-Feasibility Study (update Jan ‘09)

Year 1 Year 2 Year 3 Year 4

Gold (,000 ozs)

Operation • Open pit, gold-copper porphyry: 60,000 tpd • CIL circuit to produce dore • Recovery: Au 87% (Cu not included in circuit)

Mine Life • ~20 years

Resources - 100% Basis

• M+I: 356Mt @ 0.61 g/t Au - 7M oz Au (59% or 4.1M to IMZ) • Inferred: 143.2 Mt @0.62 g/t Au - 3M oz Au (62% or 1.8M to IMZ)

Production • Average/year: ~330,000 oz Au (~60% IMZ) • Cash costs/oz Au: ~$645

Cash Flow

at $1,250 Au (100% basis Pre-Tax)

• Average Annual Operating CF: ~$118M • NPV5%(1) : $1.1 billion • IRR: ~20%

Initial Capital • ~ $1 billion

Outlook • Evaluating options to optimize value

Production Estimate

367

431

408 418

Avg. Year Pre-tax Operating Cash Flow (IMZ’s Attributable 60%)

Au Price / Ounce

$150

$1000 $1100 $1200 $1300 $1400

$100

$50

$ 0

M i l l

i o n s

$1500

$200

$163

$70

$125 $144

$89 $107

$52

Year 1 Year 2 Year 3 Year 4

Gold (,000 ozs)

1) NPV10% calculations were not estimated in Preliminary Feasibility Study due to low gold price used in study ($650).

2) Copper grade averages 0.09% and is uneconomic at low copper prices (less than $2/lb). Contained copper is approximately 300,000 tonnes (~660 million lbs).

$1600

Includes 6% Government royalty + Ag credit ($18/oz)

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57

Resources Tonnes (M)

Gold (g/t)

Gold (oz)

IMZ’s Share (oz)

Measured 91.6 0.64 1,900,000 1,141,000

Indicated 264.8 0.59 5,040,000 2,964,000

Total Measured & Indicated 356.4 0.61 6,940,000 4,105,000

Inferred 143.2 0.62 2,850,000 1,761,000

Gaby, Ecuador - January 2009 Resources

Discovery Cost per Total Resource Ounces = ~$5/oz gold

Notes 1. No Proven or Probable Reserves at base case gold price of $650/oz. 2. Cut-off grade = 0.4 g/t gold 3. IMZ holds variable interests (50%-100%) in the three principal mining concessions comprising the Gaby deposits. 4. IMZ controls ~60% of contained gold ounces 5. Effective date of resource estimates is January 26, 2009. 6. The Qualified Person for the NI 43-101 resource estimate is R. Mohan Srivastava (P.Geo) of the independent

consulting firm, FSS.

100% Basis, ~60% Attributable to IMZ Basis $650 gold

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Gaby - Jan 09 Addendum to Feb 08 Preliminary Feasibility Study (PFS)

Notes: 1. Mineral reserves cannot be estimated at the base case gold price used ($650) 2. Ecuadorian value-added tax (IVA) of 12% included and non-recoverable. 3. Includes government royalty of 6% of sales, but excludes 70% windfall revenue tax. 4. Cash flow estimates for the optimization cases shown are not calculated from detailed project scheduling or cost

estimates as would be used in a final feasibility study and so may not reflect actual project economics. The Base Case (shown in bold) does, however, use detailed mine planning and scheduling to a preliminary feasibility level of engineering.

5. Copper, at an average grade of 0.09%, is currently non-recoverable. 6. NPV 10% numbers were not calculated in PFS January 2009 Addendum.

100% Basis, IMZ controls ~60%

PFS Base Case (20,000 tpd, $650 oz Au)

Gold Price Sensitivity

Summary

Life of Mine Gold Production (oz)

Average Grade (g/t Au)

Cash Costs (/oz Au)

Addendum PFS Optimization Case

(60,000 tpd, $750 oz Au)

Addendum PFS Optimization Case

(60,000 tpd, $1,000 oz Au)

0.8 0.7 0.6

$645 $670 $538

5,300,000 2,700,000 2,300,000 14 Initial Mine Life (yrs) 7 16

60,000

330,000 390,000

$900 $1,000

164,000 Annual Gold Production (oz/yr)

60,000

Initial Capital (M$) $432

20,000 Plant Process Rate (/day)

26% 20% 11% (12)% IRR

$4,541 $2,526 $(340) $(314)

Pre-tax Cash Flow NPV 5%

$1,250 (60,000 tpd)

$1,000 (60,000 tpd)

$1,500 (60,000 tpd)

(All figures are in US$ millions)

PFS Base Case, $650 (20,000 tpd)

$(302)

$916

$331

$1,171

$2,084

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Ecuador: Tax & Royalty Comparison

Ecuador Peru Chile Colombia Mexico Corp. income tax 25% 30% 17-30%2 33% 30%

Employees and Communities Profit sharing

Communities 12%1

Employees 3%1

Employees 8% - - -

Min./alternative income tax

- - - - 16.5%-17.5% (revenue less

certain expenses)

Mining royalty Min. 5% NSR1 Variable (based on gross

profits)

0.5%-5% (Cu equiv.sales)

3%-12% (gross value)

-

Value Added Tax (IVA)

12% (not reimbursable)1

19% 19% 7% 16% (Recoverable)

Windfall Revenue Tax

70% of revenue (above metal

reference price)1

- - - -

Source: Company information & Raymond James report, Mining in Latin America, August 2008 Notes: 1. Amounts are deductible for tax purposes 2. Chilean income tax: 17% until capex recovered, then increases to 30%.

Globally, all forms of taxes (local and federal) and royalties paid by the mining industry total at least 50%.

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Ecuador: Emerging Metals Mining Industry

Current small-scale, artisanal mining only. No large-scale mines.

Approx. $100 billion GDP dominated by oil (~60% of total exports).

Oil reserves and production are declining - estimated 2011 production = 500,000 bpd.

Mining is the only real alternative for significant future revenue for Ecuador.

Presidential elections – February 2013

Law passed Jan 29

New Mining Law and Estimated Timeline for Rio Blanco

General Elections April 26

Correa re-elected

New Congress Aug 10

Decision on Development (Q4)

Regs issued Nov 4

1Q09 2Q09 3Q09 4Q09 2010 2011 2012

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Peru: Largest Silver Producer

General: Presidential elections every 5 years President Ollanta Humala elected July 28, 2011 Population 29 million Currency Nuevo Sol (US$=Sol 2.6)

Main Exports (2011): Mining (66%), fishing and agriculture World’s 2nd largest silver producer and 5th largest gold producer Largest gold producer in Latin America World’s 3rd largest copper and zinc producer, 4th largest lead producer

One of the fastest growing economies in the world* 7.9% GDP growth rate in 2011 Lowest inflation rate in Latin America 10 years of consecutive economic growth

* Bloomberg and Internet references.


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