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Discovery and Development of High Grade Gold-Silver Projects in Argentina June 2012 1

Extorre June Powerpoint

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Page 1: Extorre June Powerpoint

Discovery and Development of High Grade Gold-Silver Projects in Argentina

June 2012

1

Page 2: Extorre June Powerpoint

Cautionary Note to U.S. Investors – The United States Securities and Exchange Commission (“SEC”) permits mining companies in their filings with the SEC to disclose only those mineral deposits that a company can economically and legally extract or produce. We use certain terms in this presentation, such as “inferred resource”, that the SEC guidelines strictly prohibit us from including in our filing with the SEC. U.S. investors are urged to consider closely the disclosure contained in our Management Discussion and Analysis for the quarter ended March 31, 2010 filed on SEDAR and available at www.sedar.com.

This document and the information contained in it do not constitute a prospectus and do not form any part of an offer of, or invitation to apply for, securities in any jurisdiction. Potential investors should no rely solely on the information contained herein prior to making any investment decision. Investors should seek independent advice from a qualified finance and investment advisor, giving due regard to their own personal circumstances, prior to forming any investment decision

Safe Harbor Statement - This presentation may contain certain “forward-looking statements” within the meaning of the United States Private Securities Litigation Reform Act of 1995. These statements reflect our current belief and are based upon currently available information. Actual results could differ materially from those described in this presentation as a result of numerous factors, some of which are outside of the control of Extorre Gold Mines Limited.

Many of the assay results presented are preliminary and may not be accurate due to various factors, including but not limited to sample recoveries, true widths and interpretations.

Preliminary Economic Assessment (PEA) – The Cerro Moro PEA is by definition preliminary in nature as it includes some mineral resources that are too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as reserves at this time. As such there is no certainty that the preliminary assessment and project economics will be realized. A NI 43-101 Technical Report for the Cerro Moro PEA has been filed on SEDAR (www.sedar.com) and is posted on the Company’s website at www.extorre.com

Cautionary Statement2

Page 3: Extorre June Powerpoint

Capital Structure –June 1, 2012

3

Shares 96.9 MWarrants 0.12 MOptions 9.52 MFully Diluted 106.56 M

Management / Insiders 15%Institutions 60%Retail 25%Cash $27 M

Page 4: Extorre June Powerpoint

October 1, 2010

• Environmental Impact Assessment approved for 750 tons/day

• 2014 start-up scheduled

Staged Start-Up of PEA-3 plans shows potential for:

• US$120 million CAPEX

• Average annual production for first 5 years of 190,000 ounces gold equivalent*

• Reduced cash costs

Highlights –Flagship Cerro Moro4

* Gold equivalent ounces – calculated by dividing the silver ounces by 50 and adding it to the gold value,

**Cash Costs are for “mine site” and exclude refining and royalty costs. Total Cash Costs with refining/royalty are $453 per ounce gold equivalent*

Page 5: Extorre June Powerpoint

An Experienced Management Team

Yale Simpson

Co-Chairman

Bryce Roxburgh Co-Chairman

Rob Reynolds Director

Ignacio Celorrio Director

Eric Roth Director

James Strauss Director

George Lawton Director

A Strong Board C.E.O. Trevor Mulroney Mng. Engineer- 25 yrs

Exploration

Matt Williams – Exploration Manager Geologist - 17 yr

Fernando Chacon – Project Manager Geologist - 8 yr

Development Alberto Carlocchia – Country Mgr, Argentina Lawyer - 13 yrs

Gonzalo Damond – Commercial Manager Engineer – 17 yrs

Victor Vera – Mine Development Superintend. Engineer – 15 yr

Corporate Darcy Daubaras – Chief Financial Officer Chart. Acc’t. - 14 yr

Cecil Bond – Vice President Finance Chart. Acc’t. - 20 yr

Louis Montpellier – Senior Vice Pres. & Legal Lawyer - 30 yr

Marina Katusa – Vice Pres. Corp. Development Geologist, MBA

Rob Grey – Vice Pres. Corp. Communications IR - 7yr

5

Page 6: Extorre June Powerpoint

Extorre Project Locations

1.36 million indicated + 1.05 million inferred ounces Au Eq*

6

*Gold equivalent grade is calculated by dividing the silver assay result by 50, adding it to the gold value and assuming 100% metallurgical recovery. Important: See slide 10 for full resource grades and tonnes.

Page 7: Extorre June Powerpoint

Santa Cruz Exploration Targets

PUNTUDO

FALCON

Cerro Negro

San Jose

Mina Martha

Manantial Espejo

Cerro Vanguardia

Dos Calandrias

UNION DOMES

100% EXTORRE LANDS

FOMICRUZ 80/20% JV AGREEMENTFAVORABLE VOLCANIC ROCKS

Cerro Moro

MINE/ADVANCED PROJECT

RECENT DRILLINGDon Nicolas

VERDE

7

Page 8: Extorre June Powerpoint

Project Location

Pro-mining Santa Cruz Province

90 km road to a deep water port

Population of Puerto Deseado 20,000

Site is 80 km from grid power

EIA approved, connection permits in progress

8

CERRO MORO

Page 9: Extorre June Powerpoint

9

Argentine President Visits the Cerro Vanguardia Mine in Support

In March 2012 Cristina Kirchner visited the Cerro Vanguardia mine, operated by Anglogold and located in the Santa Cruz Province 120 km from Cerro Moro.

Page 10: Extorre June Powerpoint

Cerro Moro Resource – November 2011National Instrument 43-101 Compliant Resource Estimate, by Cube Consulting

An Exceptional Gold & Silver Deposit

* Note: Gold equivalent grade is calculated by dividing the silver assay result by 50, adding it to the gold value and assuming 100% metallurgical recovery.

Indicated Mineral Resources

Inferred Mineral Resources

Indicated and Inferred resources shown above utilise a 1.0 g/t gold equivalent* cut-off

10

Page 11: Extorre June Powerpoint

Cerro Moro – Resource LocationAreas included in the Cube November 2011 Resource Estimate

Mapped/Interpreted Veins

Drill hole collars as at Sep 2011

11

Page 12: Extorre June Powerpoint

Cerro Moro Mine Development Program

12

GR Engineering is a leading engineering consulting and contracting company that

specializes in providing high quality process engineering design and construction services to the mining and mineral

processing industries.

Page 13: Extorre June Powerpoint

13

Preliminary Economic Assessment (PEA-3)

Cautionary Note: The Cerro Moro Preliminary Economic Assessment (PEA) is by definition preliminary in nature as it includes some mineral resources that are too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as reserves at this time. As such there is no certainty that the project economics will be realized.*Gold equivalent grade is calculated by dividing the silver assay result by 50, adding it to the gold value and assuming 100% metallurgical recovery. **Cash Costs are for “mine site” and exclude refining and royalty costs. Total Cash Costs with refining/royalty are $453 per ounce gold equivalent*

Project Parameters Summary (Updated Study Released April 2012)Mine Life 9 yearsThroughput 1,300 tonnes per day

Average Annual Production (Years 1 to 5) 248,000 ounces gold equivalent*(123,125 oz. gold + of 6.25 Moz. silver)

Total Ounces Recovered 1.79 million ounces gold equivalent* (848,000 oz. gold + 47.29 Moz. silver)

Initial Project CAPEX Direct: $US 207.3M + $US 39.6M VAT (VAT recoverable) Indirect: $US 37.2M (EPCM contract, owners’ costs, commissioning)

Cash Costs $US 303 /ounce gold equivalent* (first 5 years)Financial Summary

Payback Period (5% discount) 24 monthsPre-tax IRR 63%After tax IRR 47%Pre-tax NPV (5% discount) $US 737.4 millionAfter Tax NPV (5% discount) $US 463 millionMetal Prices $US 1320/oz. gold, $US 26/oz. silver

Page 14: Extorre June Powerpoint

Cerro Moro Production Profile (1300 tons/day)

Production Year

Gold (eq. oz)Gold (oz)

Y1 Y2 Y3 Y3 Y5 Y6 Y7 Y8 Y90

50

100

150

200

250

300

123 126 137121 119

93 10479

45

128 127 116 137

106

76 61

50

47

Silver (Oz. in Gold Eq) Gold (Oz.)

Annu

al P

rodu

ction

('0

00 G

old

Equi

vale

nt O

unce

s) 251253 253 258

169

129

91

225

165

Potential From New High-Grade Discoveries…

14

Page 15: Extorre June Powerpoint

A potential staged mining approach to PEA-3 suggest an initial mine CAPEX of approximately US$124 million with open pit mining only in Stage 1 at 500-600 tpd.

Production/Cost Estimate for Stage 1 (500-600tpd):

Staged Mine Startup15

Estimated RangeInitial Annual Production (Gold Equivalent* Ounces) 170,000 180,000Initial Capital Expenditure (Excludes Recoverable Taxes) US$ 110 million US$ 120 millionApproximate Recoverable Taxes US$ 14 million US$ 16 millionInitial Operating Costs (Excludes Royalties and Export Tax) US$ 200 per recoverable gold eqv.* ozPotential Free Cash Flow (Before Royalties and Taxes) US$ 190 million US$ 200 million

Stage 2 expansion underground would begin after 18 months with the aim to reach PEA-3 levels of 1,000 to 1,100 tpd approximately 36 months after initial construction.

Cautionary Note: The Cerro Moro Preliminary Economic Assessment (PEA) is by definition preliminary in nature as it includes some mineral resources that are too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as reserves at this time. As such there is no certainty that the project economics will be realized.*Gold equivalent grade is calculated by dividing the silver assay result by 50, adding it to the gold value and assuming 100% metallurgical recovery. ** Costs are for “mine site” and exclude refining and royalty costs.

Page 16: Extorre June Powerpoint

Cerro Moro Production Profile (Staged Approach)

Production Year

Potential From New High-Grade Discoveries…

16An

nual

Pro

ducti

on('0

00 G

old

Equi

vale

nt O

unce

s)

Page 17: Extorre June Powerpoint

17

Carla Open Pit

Zoe Open Pit -UG

Debora Open Pit

Process Plant

Loma Open Pit

Escondida Open Pit- UG

Escondida FW Open Pit- UG

GabrielaOpen Pit- UGEsperanza- Nini Open Pit

Martina-UG

N

1000m

Conceptual Mine Development

Conceptual Open Pit Layout

Page 18: Extorre June Powerpoint

Escondida FW Open Pit- UG

Escondida Open Pit- UG

Loma Open Pit

N

Cerro Moro Mine DesignCombination of Open Pit and Underground Mining

18

Loma Escondida

Escondida West-Central

Open Pits

Underground Mines

Escondida Underground Layout

Page 19: Extorre June Powerpoint

19

Decline – Escondida Far West 5 m (Width) x 4.5 m (Height). 2,325 m Length. First ore panels

accessible after 1,200 m of development.

Commence: mid 2012. Total development time: 22 months.

Page 20: Extorre June Powerpoint

Cerro Moro – Conceptual Plant Design

BALL MILLMINE

LEACH

CRUSHER PUMP

CYCLONE

FLASHFLOTATION

GRAVITYh.g. concentrate

h.g. concentrate

Merrill-Crowe

GOLDROOM

CERRO MORO –LEACHING FLOWSHEET

1.

2.

1. Stage 1: 500-600 ton/day (months 1 to 36)

2. Stage 2: 1000 – 1100 ton/day (as per PEA-3)

Modular Design to Accommodate Potential Future Expansions

Page 21: Extorre June Powerpoint

Gold & Silver RecoveriesHigh gold and silver recoveries (95% and 93%, respectively) are achievable via

a combination of flash flotation, gravity separation, and leaching

21

For more detailed information on metallurgy please view company technical reports filed on Sedar

ECF ECO EE GAB EW ESP ESP-SE Loma ZS ZD0

102030405060708090

100GOLD

Float tail leachFloat con leachIC leach

% E

XT

RA

CT

ION

ECF ECO EE GAB EW ESP ESP-SE Loma ZS ZD0

102030405060708090

100SILVER

Float tail leachFloat con leachIC leach

% E

XT

RA

CT

ION

Page 22: Extorre June Powerpoint

Excellent Resource Expansion Potential

A Strategic Land Position 1600km2

The Cerro Moro Vein Field (95% XG)Continued resource growth from extensions of existing veins,

plus many new drill ready veins

Don Sixto (100% XG)Potential beyond existing gold resource

Puntudo Project – Santa Cruz (100% XG)6 silver/gold exploration targets

Other Regional Targets – Santa Cruz (100% XG)Falcon, Ventana, Verde, Azul

The Fomicruz Joint Venture (XG Earning 80%)Escondida Extensions, Union Domes

22

Page 23: Extorre June Powerpoint

Cerro Moro Drill Hole Location Map

ESCONDIDA

ZOE

Extorre 14,000 hectare Estancia/ranch

purchase (green)

5 kilometres

3.0 mile

Cerro Moro tenement outline

Fo

mic

ruz

JV t

enem

ent

ou

tlin

e

23

Fault Zones

Drill Holes

Page 24: Extorre June Powerpoint

5 kilometres

3.0 miles

1. Zoe2. Zoe East3. Belen NE4. Martina5. Mosquito Feeder target6. Michele7. Romina8. Tres Lomas NW9. Esperanza & Nini Extensions10. Gabriela Extensions11. Carlita, & Carlita to Deborah12. Escondida West Extension13. Escondida Far East Deeps14. Fomicruz Escondida Deeps15. Loma Escondida East16. Deborah Parallel17. Esperanza Parallel18. Agostina19. Deborah NE20. Carla to Zoe21. Esperanza to Carla22. Carla Deeps23. Loma Escondida West24. Natalia25. Silica Ridges26. Georgina27. Lechuzo28. Lucia29. Deborah Termination Structure30. Carolene

24PRIORITY EXPLORATION

TARGETS

Page 25: Extorre June Powerpoint

Ground Magnetics Leads to New Discoveries

Over 30 veins identified to

date.

Detailed magnetic data

shows the veins

Drilling on new veins underway

Priority is to

discover high-grade, near

surface veins

Black lines = mapped veinsWhite lines = exploration target

ESCONDIDA

5 km

25

Page 26: Extorre June Powerpoint

Blue lines: Interpreted Faults

Red lines: Mapped Veins

N

Perspective Projection of Nov 2011 Block ModelsGeneralized View Looking North

Scale: 2 km x 2 km GridAuEQ50 g/t

GABRIELA

MARTINA

ZOE

ESPERANZANINI

ESCONDIDA

CARLA

26

Page 27: Extorre June Powerpoint

Mineralization Open to Depth - Long Sections

MA

RT

INA

ZOE

320 metres

Fomicruz Far West West Central Far East Martina

ESCONDIDA

320 metres

GABRIELA

320 metres

Current depths from surface to

significant mineralization

Far West 270 mCentral 220 mMartina 290 mGabriela 320 mZoe 360 m

27

Page 28: Extorre June Powerpoint

Location of new significant drill hole.

Cerro Moro Project – Zoe Discovery

Escondida Structure

Martina

CarlitaCarla

N

1 kilometre

0.5 mile

ZOE

No significant result Existing holes

In progress/awaiting results

Fomicruz Far West West Central Far East Martina Zoe

400 m

ESCONDIDA – ZOE LONG SECTION KEY 1.0 km

28

Page 29: Extorre June Powerpoint

Regional Exploration TargetsFalcon, Puntudo…

PUNTUDO

FALCON

Cerro Negro)

San Jose

Mina Martha

Manantial Espejo

Cerro Vanguardia

Dos Calandrias

UNION DOMES

100% EXTORRE LANDS

FOMICRUZ 80/20% JV AGREEMENTFAVORABLE VOLCANIC ROCKS

Cerro Moro

MINE/ADVANCED PROJECT

RECENT DRILLINGDon Nicolas

VERDE

29

Page 30: Extorre June Powerpoint

La NegraApproximate

locationLa MorochaApproximate

location

JOAQUIN PROJECTCOEUR - MIRASOL

PUNTUDO PROJECT100 % EXTORRE

Joaquin ResourceIndicated: 19.6 million Oz Ag @ 85 g/tInferred: 47.9 million Oz Ag @ 108 g/t

(May 9, 2011 Mirasol news release)

Drill HolesIn recent releasePreviously reported

RD0011

Property Boundary Property Boundary

La MorochaSE extension

La NegraSE extension

North

RD0016RD0008RD0013

RD0038

RD0017

RD0019RD0029

RD0024RD0025

RD0026

RD0028RD0021

RD0037RD0023

RD0022RD0035

RD0034

RD0036 RD0016

RD0033

RD0014RD0012

RD0027RD0020A

RD0031

0 250 500 meters

Puntudo Silver Target –South of Joaquin Discovery 30

Page 31: Extorre June Powerpoint

LAG Sampling

Gold

> 1.0 g/t

0.5 to 1.0 g/t

0.2 to 0.5 g/t

< 0.2 g/t

Drill collar

Hole - m - Au - Ag

Falcon Project –Wide Gold Intercepts

200 metres

FD004 - 53 - 1.33 - 30

FD001 – 30 – 1.33 - 6

FD005 - 30 – 0.53 – 33

- 27 – 0.73 - 10

FD002 – 56 – 0.81 - 12

FD003 – No significant result

Resistivity high

North

High

Low

20

O

h

m

.

m

10

31

Resistivity

Page 32: Extorre June Powerpoint

Cerro Moro continued drilling announcements every 2 months - new discoveries

Updated PEA-3 completed, evaluation of staged development ongoing which could reduce CAPEX significantly

Evaluating financing options

Excellent potential for new discoveries at Falcon and Puntudo properties.

News Flow- 2012 32

Page 33: Extorre June Powerpoint

Extorre in an Industry Context

33

Page 34: Extorre June Powerpoint

34

Rainy R

iver

Sandsp

ring

Rubicon

Pretium

Prodigy

Continental

Kimber

PMI Gold

Seafi

eld

Aureus

Extorre

GoldTa

hoe

Colossus

0.00%

10.00%

20.00%

30.00%

40.00%

50.00%

60.00%

70.00%

80.00%

Pre-Tax IRR Comparison

IRR

(%)

Cerro Morro - Higher IRR than Most

Page 35: Extorre June Powerpoint

35

NPV (M$)

Gold Price &

Discount Rate

Gold Price (US$/oz)

1,056 1,320 1,584

Discount

Rate

0.0%$ 545.4

M

$ 675.3

M

$ 805.2

M

5.0%$ 366.3

M

$ 463.2

M

$ 560.1

M

10.0%$ 246.0

M

$ 320.1

M

$ 394.2

M

IRR (%) 39% 47% 54%

NPV (M$)

Gold Price &

Operating Cost

Gold Price (US$/oz)

1,056 1,320 1,584

Opertain

g Cost

-20%$ 439.1

M

$ 537.0

M

$ 635.0

M

Base

Case

$ 366.3

M

$ 463.2

M

$ 560.1

M

+20%$ 325.1

M

$ 423.1

M

$ 521.1

M

NPV (M$)

Gold Price & Capital

Cost

Gold Price (US$/oz)

1,056 1,320 1,584

Capital

Cost

-20%$ 415.5

M

$ 512.4

M

$ 609.3

M

Base

Case

$ 366.3

M

$ 463.2

M

$ 560.1

M

+20%$ 319.0

M

$ 415.9

M

$ 512.8

M

Sensitivity – Gold Price and Operating Cost

Sensitivity – Gold Price and Capital Cost

Sensitivity – Gold Price and Capital Cost

Page 36: Extorre June Powerpoint

Extorre & the Metals IndustryGOLD MARKET

Exploration expenditures are increasing yet fewer new resources are being discovered

New discoveries are replacing less than half the current production

Resources versus Gold Production 1997-2008

SILVER MARKETIndustrial silver demand is expected to

increase from 487million ounces silver in 2010 to 666million ounces in 2015

This demand could underpin strong silver prices

World Industrial Silver Demand Forecast

Source: MEG

36

Page 37: Extorre June Powerpoint

Mining Analyst Coverage

Daniel [email protected] 308 7906

Adam Graf [email protected] 212-702-4527

Wendell [email protected] 643 7485

David [email protected]

Michael Gray [email protected] 604-639-6372

John Hayes [email protected]

Imaru Casanova [email protected]

37

Page 38: Extorre June Powerpoint

“Cerro Moro is one of the highest quality gold-silver deposits to be discovered in

recent years”

Production is scheduled for 2014

38

www.extorre.com

Suite 1660, 999 West Hastings Street Vancouver, BC, Canada, V6C 2W2Toll Free: 1-888-688-9592 Telephone: 1-604-688-9592