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DELIVERING GROWTH // DISCOVERING V ALUE August 2013 TSX: MND www.mandalayresources.com

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Mandalay Resources Corporation Investor Presentation August 2013.

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Page 1: Mnd investor presentation_august_2013_final

DELIVERING GROWTH // DISCOVERING VALUE

August 2013

TSX: MNDwww.mandalayresources.com

Page 2: Mnd investor presentation_august_2013_final

2

This presentation contains "forward-looking statements" within the meaning of applicable securities laws, including statements relating to life of

mine production plans and exploration plans and the growth and strategy of Mandalay. Readers are cautioned not to place undue reliance on

forward-looking statements. Actual results and developments may differ materially from those contemplated by these statements depending on,

among other things, that exploration results at Cerro Bayo, Costerfield, and La Quebrada may not meet management’s expectations, that Cerro

Bayo and Costerfield capital, production and operating cost results may not meet current plans, that reclamation costs associated with

Mandalay’s Furioso property may exceed current estimates, and changes in commodity prices and general market and economic conditions.

The factors identified above are not intended to represent a complete list of the factors that could affect Mandalay. Although Mandalay has

attempted to identify important factors that could cause actual actions, events or results to differ materially from those described in forward-

looking statements, there may be other factors that cause actions, events or results not to be as anticipated, estimated or intended. There can be

no assurance that forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those

anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements.

Quality Control and AssuranceQuality control and assurance programs are implemented in line with the standards of National Instrument 43-101.

The exploration program at Costerfield is supervised by Chris Gregory (Member, Australian Institute of Geoscientists accredited Chartered

Professional (Mining)), General Manager of Australasian Business Development for Mandalay and a Qualified Person as defined under National

Instrument 43-101. Mr. Gregory regularly visits Costerfield, supervises the collection and interpretation of scientific and technical information

contained in this presentation..

The exploration programs on the Cerro Bayo and La Quebrada projects are supervised by Ronald Luethe (Member: American Institute of

Professional Geologists and an Idaho Registered Professional Geologist), General Manager of Mandalay Chile Ltda. and a Qualified Person as

defined under National Instrument 43-101. Mr. Luethe visits the Cerro Bayo and La Quebrada projects often, supervises the collection and

interpretation of scientific and technical information contained in this presentation.

Dr. Mark Sander (Member: AusIMM), President of Mandalay, has visited the Costerfield, Cerro Bayo, and La Quebrada projects several times

during 2010, 2011 and 2012 and has supervised the preparation of this presentation.

Forward-looking Statements

2

Page 3: Mnd investor presentation_august_2013_final

3

Vision

3

To create exceptional shareholder value through the acquisition of undervalued assets that

can rapidly become cash generative, self fund exploration, establish and maintain high

operating margins and return cash to shareholders within a planned period of time.

Mandalay is committed to operating safely and in an environmentally responsible manner,

while developing a high level of community and employee engagement.

Page 4: Mnd investor presentation_august_2013_final

4

Locations and Tradeflows

4

Page 5: Mnd investor presentation_august_2013_final

5

Mandalay in Today’s Market

Markedly lower metal prices

Producers must be responsive to large swings in metal prices

Focus on growth of sustainable cash margins and return of capital

Mandalay well positioned for profitability in this environment

Mandalay strategy robust: low total cost producer

• Low acquisition cost of producing assets

• Low sustaining and incremental expansion capex; no large, risky new project

construction capex

• Low risk, head frame exploration drilling for low discovery cost per ounce

• Low overhead virtual organization

• Operational improvements result in cash cost reductions year-over-year

• With no overextension, no disruptive changes in plans with price declines

Healthy cash margins: EBITDA of $11 million in the second quarter of 2013

No impairment charges

Dividend predictable and sustainable– automatically adjusts with metal price at

6% gross revenue

Strong support for equity

NCIB program in place: 1,378,600 shares purchased year-to-date

Management and insiders own 53.66% of shares outstanding as of August 8, 2013

Page 6: Mnd investor presentation_august_2013_final

Mandalay Second Quarter 2013 Performance

Q2, 2013 Q2, 2012

Saleable Silver oz produced 921,895 814,970

Saleable Gold oz produced 13,046 9,215

Saleable Antimony t produced 738 612

Net Cash/All-in Cost/oz Ag at Cerro Bayo, USD 6.12 / 11.54 4.12 / 8.11

Net Cash/All-in Cost/oz Au Eq. at Costerfield, USD 934 / 1,178 1,052 / 1,197

EBITDA, USD million 11.0 21.6

Net Income, USD million 3.1 19.2

Cash and cash equiv. at end of period, USD million 23.9 11.2

6

Page 7: Mnd investor presentation_august_2013_final

7

Management and Board of Directors

7

Senior Management

Board of Directors

Brad Mills, CEO and

Executive Director

Former CEO Lonmin

plc, over 30 years of

experience in Copper,

Gold, PGMs

Mark Sander, President

28 years of experience in

exploration, strategy and

operating improvements

Sanjay Swarup, CFO

and Executive Director

Former Lonmin plc, over

20 years of industry

experience

Belinda Labatte,

Corporate Secretary

Over 10 years of

experience in capital

markets and investment

banking

Braam Jonker,

Chairman

Peter R. Jones,

Independent Director

Tony Griffin,

Independent Director

Robert Doyle,

Independent Director

Dominic Duffy, COO

Mining Engineer with

extensive technical and

operational management

experience

Page 8: Mnd investor presentation_august_2013_final

*Using metal prices of $1,250/oz Au, $27/oz Ag, $12,500/t Sb

**The Company defines EBITDA as earnings before interest, taxes and non cash charges/ (income). EBITDA is presented because the Company

believes it is a useful indicator of relative operating performance. EBITDA should not be considered by an investor as an alternative to net income

or cash flow as determined in accordance with IFRS.

***See AuEq Calculation in Appendix. Estimated 2013 Production: 2.8-3.1MM oz Ag, 38,000-46,000 oz Au, 2,800-3,000 t Sb.

****Annual cash dividend paid quarterly, based on 6% of the Company’s trailing quarter’s gross revenue and the future cash requirements of the Company.

8

Strategy: Rapid Value Generation and Returns

8

0.320.6

92.2

171.8

2009 2010 2011 2012

Increase Revenues ($US MM*)

35415,854

63,351

107,900***

112,000 -123,000***

2009 2010 2011 2012 2013E

Grow Production(Gold Equivalent Ounces***)

-1.0 1.7

32.0

79.9

2009 2010 2011 2012

Generate Cash(EBITDA - $US MM**)

Focus and ResultsEntry Strategy:

Acquire high-quality assets at a low cost

relative to ultimate value

Apply management’s extensive operational and

exploration expertise to turn around, grow

and/or develop the assets

Focus on cash returns to shareholders and

prudent use of leverage

Operationally, Mandalay is focused on:

High-margin projects where the Company can

achieve rapid production ramp-ups from

restarts, turn around situations or late-stage

development

Early cash flow to fund exploration, growth and

operational improvements

Building critical mass through acquisition

Capital strategy: Reduce dilution and return

cash to shareholders

Announced dividend policy, currently paying

annualized dividend of 6% of gross revenue****

NCIB: Repurchasing up to 5% of the Company

from operational cash flow over 1 year

Page 9: Mnd investor presentation_august_2013_final

9

Capital Structure and Ownership

9

Major Shareholders (3)

Holders % Shares (Million)

West Face Capital 42.3% 136.9

Sprott Asset Management 10.4% 33.5

Plinian (Mills, Sander, Swarup) 7.8% 25.3

Arcourt (Byrne) 3.6% 11.7

Baker Steel 2.7% 8.6

(1) Exercise price: C$0.255 - C$0.83; Expiry date: Aug 21, 2013 - Mar 9, 2017(2) Exercise price: C$0.31 - C$0.465; Expiry date: Nov 30, 2014(3) As of August 8, 2013, the directors and executive officers of the Corporation, as a group, beneficially owned, or controlled or directed, directly or indirectly, approximately

173,783,259 Common Shares, representing approximately 53.66% of the outstanding Common Shares

Capital Structure as at August 8, 2013Millions (Except

Share PriceInformation)

Share price (Last close) (CAD$) 0.80/shr

Shares Outstanding 323.9

Options(1) 16.4

Warrants(2) 21.0

Fully Diluted Shares Outstanding 361.3

Market Capitalization (CAD$) 259.1

Cash and Cash Equivalents (US$) (as of June 30, 2013) 23.9

Total Debt (US$) (as of June 30, 2013) 0

Total Enterprise Value (US$) 235.2

0

50

100

150

200

250

300

350

400

Fully Diluted Shares (Million)

Post SIB:

361

Pre-recap: 27

Post CB Acq: 373

Goal:

350

Post-recap: 181

Page 10: Mnd investor presentation_august_2013_final

10

Management Track Record: Execution, Value Creation

10

Company History and Milestones

2009 Q4 2010 2011 2012

Financial/

Corporate

Acquired Costerfield gold-

antimony mine for

Mandalay stock

Listed on TSX main board from

TSX-V

Raised $23 million for purchase

and restart of Cerro Bayo

silver-gold mine

Announced Normal Course

Issuer Bid to buy back 5% of

Company’s shares

Completed Substantial

Issuer Bid; reduced FD

share count by 8%

Completed and Renewed

Normal Course Issuer Bid

Announced Dividend

(end-2012)

Operational Began Production at

Costerfield (Dec 2009)

Began production at Cerro

Bayo (Sept 2010)

Began milling & shipping at

Cerro Bayo (Jan 2011)

Increased production at both

projects

Doubled silver reserves,

boosted gold reserves 85%

Reached design production

at both operations

50

100

150

200

250

300

350

400

450

500In

de

x (

Au

gu

st

3, 2009 =

100)

Mandalay Resources Peers* Gold Silver

Mandalay:

185%

Silver: 42%Gold: 37%Peers: -1%

• Peer group includes: Endeavour Silver, Silver Standard, Fortuna Silver, and Aurcana

• Share prices as at August 8, 2013

Q4 2009 - New Management Team

(Mills, Sander, Swarup)

Page 11: Mnd investor presentation_august_2013_final

11

Cerro Bayo Silver-Gold Mine

11

Land package 23,096 hectares

Ownership 100%

2012 silver production 2,911,595 oz

2012 gold production 17,089 oz

2013E silver production 2.8 – 3.1 million oz

2013E gold production 18,000 – 21,000 oz

Current throughput approx. 1,200 tpd

P&P Reserves 2.3 Mt @ 241 g/t Ag; 2.2 g/t Au

Current recoveries (Q2 2013) Ag: 89.12%, Au: 91.41%

2013E cash costs/oz Ag, net of Au credits $4 – $6

2013 Planned Exploration

Metres 60,000

Budget $6-7 million

Page 12: Mnd investor presentation_august_2013_final

12

Cerro Bayo District: Target-rich Land Package

NI43-101 Reserve-Resource veins

2012 Infill and Step-Out Drilling

2012 New infill from 2011 Blue Sky successes

2012 Scheduled Blue Sky drill targets

2012- Field work to prep for 2013 drilling

Lucia

ChatitoSb Anomaly

Roadside

Brillantes

Cerro

Viento

Aquila

Sinter Hill

Laguna Verde

Marisol Area

High level, Madre-

Aquila-Meseta

Cerro Bayo

Guanaco

Esperanza

Sb Anomaly

MarcelaRoadside

Cerro

Viento

Brillantes

Coigues

Page 13: Mnd investor presentation_august_2013_final

13

Cerro Bayo: Laguna Verde Area

TailingsMill

LAGUNA VERDE

DELIA NW

FABIOLADAGNY

COYITA

DALILA

YASNA

Producing Mine or Planned mine (Vein Outcrop) 2012 Infill/Extensional Drilling Exploration Vein

BIANCA

Trinidad

DELIA SE.

Gabriela

Coigues

DAGNY

UNDER

LAKE

Page 14: Mnd investor presentation_august_2013_final

14

2010

2011

Fabiola Vein: Example of Subtle Surface Expression and Reserve Growth

Surface

30 m below in Mine,

Approximately 1 m

Page 15: Mnd investor presentation_august_2013_final

0

5,000,000

10,000,000

15,000,000

20,000,000

25,000,000

30,000,000

35,000,000

40,000,000

45,000,000

2010 2011 2012 2013 2014

OZ

S A

g

CUMULATIVE DEPLETION Dagny

Fabiola Delia NW

Delia SE Marcela Sur

Yasna Coyita

Dalila Bianca

Cerro Bayo M&I Resource Growth and Depletion

15

Page 16: Mnd investor presentation_august_2013_final

Cerro Bayo Operating Performance

16

$0

$10

$20

$30

$40

$50

$60

$70

0

20,000

40,000

60,000

80,000

100,000

120,000

Q4-10 Q2-11 Q4-11 Q2-12 Q4-12 Q2-2013

USD

/ To

nn

e

Ton

nes

Per

Qu

arte

r

Mining Rate and Unit Cost

t Mined Cost/ t Mined

$0

$10

$20

$30

$40

$50

$60

$70

0

20,000

40,000

60,000

80,000

100,000

120,000

Q4-10 Q2-11 Q4-11 Q2-12 Q4-12 Q2-13

USD

/ To

nn

e

Ton

ne

s P

er

Qu

arte

r

Processing Rate and Unit Cost

t Processed Cost/ t Processed

$0

$5

$10

$15

$20

0

200,000

400,000

600,000

800,000

1,000,000

Q4-10 Q2-11 Q4-11 Q2-12 Q4-12 Q2-13 USD

/ o

z A

g N

et

Byp

rod

uct

Ou

nce

s Si

lve

r P

er

Qu

arte

r

Saleable Silver Produced & Unit Cost

Ag oz Cost/ oz Ag net Au

Page 17: Mnd investor presentation_august_2013_final

17

Costerfield Gold-Antimony Mine: Overview

17

2013 Planned Exploration

Metres ~13,000

Budget $3.5 million

Land package 1,293 hectares

Ownership 100%

2012 gold production 18,036 oz

2012 antimony production 2,481 t

2013E gold production 20,000 – 25,000 oz

2013E antimony production 2,800 – 3,000 t

Current throughput 340 tpd

P&P Reserves 178,000 tonnes @ 8.9 g/t Au; 4.1% Sb

Current recoveries (Q2 2013) Au: 89.7%, Sb: 95.7%

2013E Cash cost/ oz Au Equiv. (US$) $950 – $1,000

Page 18: Mnd investor presentation_august_2013_final

18

Augusta Mine & Cuffley Exploration Breakthrough

18

Cuffley Lode

N-lode

W-lode

E-lode

Drilling and development

shows possible shoot at

southern N-lode in

Augusta, open to north

and at depth

NI 43-101 Indicated

Resource at Cuffley of 79

kt @ 20.8 g/t Au, 6.4% Sb

NI 43-101 Inferred

Resource at Cuffley of

300 kt @ 10 g/t Au,

3.8%Sb

• Exploration open to

south and at depth

Possibility of several

hundred kt of new

Resource in new W-lode

targets, N-lode, and

expanded Cuffley lode

Three rigs yielding high-

quality new geologic data

and understanding of

district

Page 19: Mnd investor presentation_august_2013_final

19

Costerfield M&I Resource Growth and Depletion

0

100

200

300

400

500

600

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017

Au

Eq

Oz (

00

0's

)

CUFFLEY AUGUSTA Depletion Yearly Depletion

Page 20: Mnd investor presentation_august_2013_final

20

Costerfield Operating Performance

20

$0

$100

$200

$300

$400

0

5,000

10,000

15,000

20,000

25,000

30,000

35,000

40,000

Q4-09(Dec.only)

Q2-10 Q4-10 Q2-11 Q4-11 Q2-12 Q4-12 Q2-13

AU

D/

Ton

ne

Ton

ne

s P

er

Qu

arte

r

Mining Rate and Unit Cost

t Mined Cost/ t Mined

$0

$20

$40

$60

$80

$100

$120

0

5,000

10,000

15,000

20,000

25,000

30,000

35,000

Q4-09(Dec.only)

Q2-10 Q4-10 Q2-11 Q4-11 Q2-12 Q4-12 Q2-13

AU

D/

Ton

ne

Ton

ne

s P

er

Qu

arte

r

Processing Rate and Unit Cost

t Processed Cost/ t Processed

$0

$500

$1,000

$1,500

$2,000

$2,500

$3,000

0

2,000

4,000

6,000

8,000

10,000

12,000

14,000

Q4-09(Dec.only)

Q2-10 Q4-10 Q2-11 Q4-11 Q2-12 Q4-12 Q2-13

USD

/ O

z A

u E

q.

Ou

nce

s P

er

Qu

arte

r

Au Equivalent Production and Cost

Oz Au Eq. Cost/ Au Eq. Oz

Page 21: Mnd investor presentation_august_2013_final

2121

Fundamental Source of Improvements

New mobile fleet

Improved mine staff, technical work

and planning discipline

5 metre stopes

moving to

10 metre stopes

Page 22: Mnd investor presentation_august_2013_final

22

La Quebrada Copper-Silver Project: Overview

22

Land package 7,418 hectares

Ownership 100%

Location 45 km NW of La Serena

Mineralization Cu-Ag mantos

Elevation 1,000 – 1,500 metres ASL

M&I Resource 34.8 Mt @ 10 g/t Ag, 0.6% Cu

Page 23: Mnd investor presentation_august_2013_final

23

La Quebrada

23

Next steps:

Drilling for modest

expansion of

Casa de Piedra

District

exploration – new

concepts

Basic engineering

studies

Conversation for

district

consolidation

La Quebrada Total Resources(1)

Rock (t) Ag Grade (g/t) Ag (cont. oz) Cu Grade (%) Cu (cont. lb)

Measured 0 0 0 0 0

Indicated 34,800,000 10 11,188,272 0.6% 459,360,000

Measured & Indicated 34,800,000 10 11,188,272 0.6% 459,360,000

Inferred 1,000,000 11 353,652 0.6% 13,200,000

(1) La Quebrada Independent Technical Report filed 16-Aug-2012.

Tugal Pit

Page 24: Mnd investor presentation_august_2013_final

24

Discovery-fuelled Organic Growth

24

$9-10 million

$10-12 million

$6-7million

Capital Expenditure(PP&E)

Capital Development

Capitalized Exploration

1.3 million

2.9 million

2.8 - 3.1 million

0

500,000

1,000,000

1,500,000

2,000,000

2,500,000

3,000,000

3,500,000

2011 2012 2013E

Silver (oz)

12,244

17,089

18,000-21,000

0

5,000

10,000

15,000

20,000

25,000

2011 2012 2013E

Gold (oz)

6,678

18,036

20,000–25,000

0

5,000

10,000

15,000

20,000

25,000

2011 2012 2013E

Gold (oz)

0

200

400

600

2010 2011 2012

Cu (cont. lbs MM)

Significant M&I Resource Growth (1,2,3)

1 Source: Roscoe Postle Associates, March 2013, documented in an independent NI 43-101 report filed March 28, 2013

Source for Dalila vein: Internal Company Report, prepared under the supervision of Qualified Person Ron Luethe

2 Source: SRK Consulting (Australia), March 2013, documented in an independent NI 43-101 report filed March 28, 2013

3 Source: La Quebrada Independent Technical Report, filed Aug 16, 2012.

Average guidance range graphed for 2013E

Costerfield Budget and Production(2013E)

Cerro Bayo Budget and Production(2013E)

$7-8million

$4.5-5.5 million

$3.5-4.5million

Capital Expenditure(PP&E)

Capital Development

Capitalized Exploration

1,576

2,481

2,800 –3,000

0

500

1,000

1,500

2,000

2,500

3,000

3,500

2011 2012 2013E

Antimony (Sb)

0

10,000,000

20,000,000

30,000,000

40,000,000

2010 2011 2012

Ag (cont. oz)

0

100,000

200,000

300,000

400,000

2010 2011 2012

Au (cont. oz)

0

10,000

20,000

30,000

2010 2011 2012

Sb (cont. t)

Page 25: Mnd investor presentation_august_2013_final

25

Peer Comparison

25

Midpoint of 2013E production guidance reported

Ag Eq oz converted at 54/1 Au/Ag. Metal prices: Ag price of $28.92 and Au price of $1,578.00

Market capitalization as at August 8, 2013

2012 Production 2012 Financials

Ag

(oz)

Au

(oz)

Other Ag Eq.

(Au + Ag) (oz)

Revenue

(US$MM)

EBITDA

(US$MM)

EBITDA Margin

(%)

Mandalay Resources 2,911,595 35,125 2,481 t Sb 4,828,166 171.8 79.9 46.5

Endeavour Silver 4,485,426 38,687 6,595,355 208.1 89.8 43.2

Silver Standard 8,350,000 0 5,600 t Zn 8,350,000 241.1 54.6 22.6

Fortuna Silver 3,987,757 20,699 20,100 tPb+Zn 5,117,183 161.0 70.7 43.9

Aurcana 1,388,664 0 7,000 t Cu+Pb+Zn 1,388,664 45.9 14.3 31.2

2013E Production

Ag

(oz)

Au

(oz)

Other Ag Eq.

(Au + Ag) (oz)

Market Cap

FD (US$MM)

Mandalay Resources 2,950,000 39,000 2,900 t Sb 5,241,701 289.0

Endeavour Silver 5,150,000 47,500 7,741,805 418.3

Silver Standard 8,350,000 0 10,000 t Zn 8,350,000 629.1

Fortuna Silver 4,400,000 23,300 22,000 tPb+Zn 5,671,349 453.1

Aurcana 5,400,000 0 7,000 t Cu+Pb+Zn 5,400,000 159.5

Page 26: Mnd investor presentation_august_2013_final

26

Mandalay Compares Favourably to its Peers

26

0

50

100

150

200

250

300

350

400

P+P Reserve GradeFully Diluted Ag Eq (g/t)

Mandalay

Endeavour

Silver Standard

Fortuna

Aurcana

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

50%

EBITDA Margin (at $30/oz Ag)

$0

$5

$10

$15

$20

$25

Fully Loaded 2012 CashCost/Ag Eq oz

$0

$10

$20

$30

$40

$50

$60

$70

$80

Market Cap per 2013EAg Eq Production (oz)

0

1

2

3

4

5

6

7

8

9

10

TEV/EBITDA Multiple($30/oz Ag)

$0

$2

$4

$6

$8

$10

$12

Market Cap per P+PReserves (Ag Eq oz)

Market capitalization as at August 8, 2013

Ag Eq oz converted at 54/1 Au/Ag

Metal prices: Ag price of $28.92 and Au price of $1,578.00

Highest grade reserves

(Ag Eq oz)

Highest EBITDA

margin

Lowest fully loaded

cost (Ag Eq oz)

Second lowest market

cap per estimated

annual production of Ag

eq. oz

Lowest total enterprise

value/EBITDA multiple

Fourth lowest market

cap/P+P reserves oz

Page 27: Mnd investor presentation_august_2013_final

27

Highlights and Catalysts

27

Cerro Bayo

Current ramp up to 1,200 tpd is complete; ramp up to 1,400 tpd on track for Q1 2014

5 owned rigs drilling now– Resource and Reserve updated in Q1 2013; exploration update

in Q3, 2013

Costerfield

Currently at 340 tpd, exceeding design production rate of 250 tpd, significant cost

reduction

Cuffley lode development and production decision in Q3, 2013

• Growing resources at Cuffley lode and Augusta extensions with 3 rigs

• Resource and reserve updated Q1 2013; resource and exploration update in Q3, 2013

• Increased metal production from higher grade ore

• Development decision for Cuffley lode associated– expected Q3 2013

Continuing district exploration for longer mine life

La Quebrada

Infill drilling completed; indicated NI 43-101 Resource filed August 2012

Metallurgical and engineering studies

District consolidation

Page 28: Mnd investor presentation_august_2013_final

28

Summary

28

Execution-focused management with track record of operational and exploration success, growth and

value generation

High-quality, cash flowing asset portfolio with major exploration upside

Strong balance sheet, self-funding projects, zero net debt

Rapid increase in production and margins through low-capex organic growth and operational

efficiencies

Returning cash to shareholders and reducing dilution wherever possible

Company paying annual dividend equal to 6% of the Company’s trailing quarter’s gross revenue

Continued growth through further acquisitions

Page 29: Mnd investor presentation_august_2013_final

Appendices

29

TSX: MND

For more information, please contact:

Greg DiTomaso

Tel: 647.260.1566

Email: [email protected]

Company Website: www.mandalayresources.com

Twitter: @MandalayAuAg

Page 30: Mnd investor presentation_august_2013_final

30

Mandalay Reserves

30

Cerro Bayo Reserves (1)Ore

(t)

Ag Grade

(g/t)

Ag

(cont. oz)

Au Grade

(g/t)

Au

(cont. oz)

Proven Reserves 420,000 356 4,803,000 2.2 30,000

Probable Reserves 1,934,000 216 13,447,000 2.1 133,000

P&P Reserves 2,354,000 241 18,250,000 2.2 163,000

Costerfield Reserves (2)Ore

(t)

Sb Grade

(%)

Sb

(cont. t)

Au Grade

(g/t)

Au

(cont. oz)

Proven Reserves 48,000 6.5 3,100 11.0 17,000

Probable Reserves 130,000 3.2 4,100 8.1 34,000

P&P Reserves 178,000 4.1 7,200 8.9 51,000

TOTAL RESERVES:

31-December-2012

Ag

(cont. oz)

Au

(cont. oz)

Sb

(cont. t)

Mandalay Proven Reserves 4,803,000 47,000 3,100

Mandalay Probable

Reserves13,447,000 167,000 4,100

Mandalay P&P Reserves 18,250,000 214,000 7,200

Numbers may differ slightly from Source documents due to rounding

1 Source: Roscoe Postle Associates, March 2013, documented in an independent NI 43-101 report filed March 28, 2013

2 Source: SRK Consulting (Australia), March 2013, documented in an independent NI 43-101 report filed March 28, 2013

Page 31: Mnd investor presentation_august_2013_final

31

Mandalay Resources

313 Source: La Quebrada Independent Technical Report filed Aug 16, 2012.

Numbers may not add due to rounding

Cerro Bayo Resources (1)Resource

(t)

Ag Grade

(g/t)

Ag

(cont. oz)

Au Grade

(g/t)

Au

(cont. oz)

Measured Resources 327,000 525 5,521,000 3.2 33,000

Indicated Resources 1,562,000 334 16,754,000 3.2 160,000

M&I Resources 1,889,000 367 22,276,000 3.2 194,000

Inferred Resources 452,000 201 2,922,000 2.4 35,000

Costerfield Resources (2)Resource

(t)Sb Grade

(%)

Sb

(cont. t)

Au Grade

(g/t)

Au

(cont. oz)

Measured Resources 167,000 4.9% 8,200 8.1 43,000

Indicated Resources 367,000 3.5% 12,900 10.0 118,000

M&I Resources 534,000 4.0% 21,100 9.4 161,000

Inferred Resources 610,000 3.2% 19,500 7.2 140,000

La Quebrada Resources (3)Resource

(t)Cu Grade

(%)

Cu

(cont. lb)

Ag Grade

(g/t)

Ag

(cont. oz)

Measured Resources 0 0 0 0 0

Indicated Resources 34,800,000 0.6% 459,360,000 10 11,188,272

M&I Resources 34,800,000 0.6% 459,360,000 10 11,188,272

Inferred Resources 1,000,000 0.6% 13,200,000 11 353,652

TOTAL RESOURCES

31-Dec-12Ag

(cont. oz)Au

(cont. oz)Sb

(cont. t)Cu

(cont. lb)

Measured Resources 5,521,000 76,000 8,200 0.00

Indicated Resources 27,954,000 278,000 12,900 459,360,000

M&I Resources 33,475,000 355,000 21,100 459,360,000

Inferred Resources 3,322,000 175,000 19,500 13,200,000

1 Source: Roscoe Postle Associates, March 2013, documented in an independent NI 43-101 report filed March 28, 2013

2 Source: SRK Consulting (Australia), March 2013, documented in an independent NI 43-101 report filed March 28, 2013

Page 32: Mnd investor presentation_august_2013_final

32

Safety, Health, Environment and Community

32

Safety & Health Environment & Community Employees

ACTIONS

• Spending on S&H (including

safety training) tripled in last

two years

• Focus on line management

safety leadership, systems and

behaviours

• Improved S&H safety

processes & compliance

• Implementation of DuPont

safety system in 2013 at both

operations

• Extensive training and

equipping of mine rescue team

at Cerro Bayo

• Spent over 200% more in 2012

on environment & community

projects as compared to 2011

• Commitment to local purchases

& payrolls

• Development of new water &

mine waste solutions at

Costerfield

• Closure works completion at

Furioso Mine Site

• Supplying various workshops for

local community at Cerro Bayo

• University scholarships for local

school leavers at Cerro Bayo

• Employee selection process

improved

• Focus on local hires including

management positions

• Increased hours of training in 2012

by +80% as compared to 2011

• High level executive coaching for leadership team

RESULTS

• Consolidated lost time injury

frequency rate approximately

halved

• Improved return to work

performance

• Maintained high levels of

attendance at mine sites

• More prosperous local

communities

• Reduced impacted land area

• Zero incidences of unpermitted

discharge at both operations

• 3 year collective contract signed

with Cerro Bayo union in 2012

• Increased presence of local hires

among workforce and supervisors

• Reduced employee turnover at mine

sites

• More productive employees, leading

to lower unit costs

Page 33: Mnd investor presentation_august_2013_final

Metal Price Update

33

1,000

1,100

1,200

1,300

1,400

1,500

1,600

1,700

1,800

01

-Ap

r-1

3

08

-Ap

r-1

3

15

-Ap

r-1

3

22

-Ap

r-1

3

29

-Ap

r-1

3

06

-May

-13

13

-May

-13

20

-May

-13

27

-May

-13

03

-Ju

n-1

3

10

-Ju

n-1

3

17

-Ju

n-1

3

24

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n-1

3

01

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l-1

3

08

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l-1

3

15

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l-1

3

22

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l-1

3

29

-Ju

l-1

3

05

-Au

g-1

3

Au

pri

ce U

SD/o

z

GOLD PRICE - DAILY SPOT LME

Actual Au-Price LME USD

15.00

20.00

25.00

30.00

35.00

40.00

45.00

01

-Ap

r-1

3

08

-Ap

r-1

3

15

-Ap

r-1

3

22

-Ap

r-1

3

29

-Ap

r-1

3

06

-May

-13

13

-May

-13

20

-May

-13

27

-May

-13

03

-Ju

n-1

3

10

-Ju

n-1

3

17

-Ju

n-1

3

24

-Ju

n-1

3

01

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l-1

3

08

-Ju

l-1

3

15

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l-1

3

22

-Ju

l-1

3

29

-Ju

l-1

3

05

-Au

g-1

3

Ag

pri

ce U

SD/o

z

SILVER PRICE - DAILY SPOT LME

Actual Ag-Price LME USD

9,000

10,000

11,000

12,000

13,000

14,000

15,000

01

-Ap

r-1

3

08

-Ap

r-1

3

15

-Ap

r-1

3

22

-Ap

r-1

3

29

-Ap

r-1

3

06

-May

-13

13

-May

-13

20

-May

-13

27

-May

-13

03

-Ju

n-1

3

10

-Ju

n-1

3

17

-Ju

n-1

3

24

-Ju

n-1

3

01

-Ju

l-1

3

08

-Ju

l-1

3

15

-Ju

l-1

3

22

-Ju

l-1

3

29

-Ju

l-1

3

05

-Au

g-1

3

Sb p

rice

USD

/t

ANTIMONY PRICE - DAILY ROTTERDAM WAREHOUSE

Actual Sb-Price Market USD

2.70

2.90

3.10

3.30

3.50

3.70

3.90

01

-Ap

r-1

3

08

-Ap

r-1

3

15

-Ap

r-1

3

22

-Ap

r-1

3

29

-Ap

r-1

3

06

-May

-13

13

-May

-13

20

-May

-13

27

-May

-13

03

-Ju

n-1

3

10

-Ju

n-1

3

17

-Ju

n-1

3

24

-Ju

n-1

3

01

-Ju

l-1

3

08

-Ju

l-1

3

15

-Ju

l-1

3

22

-Ju

l-1

3

29

-Ju

l-1

3

05

-Au

g-1

3

CU

pri

ce U

SD/l

b

COPPER PRICE - DAILY SPOT LME

Actual Cu-Price LME USD

Page 34: Mnd investor presentation_august_2013_final

Antimony Facts

34

140,000 t/y global market

• Sold either as metal ingots or various grades of antimony oxides and trioxides

• Primary use as fire retardant in fabrics and plastics (trioxides)

• Relatively minor uses in electronics, with possible new uses in development, e.g.

in batteries

• Ingredient of lead alloys as hardener (antimony metal)

• Consumption growth in line with global GDP growth

Market dominated and prices set by China

• Declining Chinese mine production as reserves depleted and environmental

controls strengthened, closing marginal mines

• Chinese beginning to invest in mines outside China

• Two dominant Chinese smelters, only one of which recovers Au

Page 35: Mnd investor presentation_august_2013_final

Gold Equivalent Ounces Calculation

35

***Au Eq. oz produced is calculated by multiplying the saleable quantities of Au, Ag, and Sb in the period by the respective average market prices of the commodities in the

period, adding the three amounts to get a “total contained value based on market price”, and then dividing that total contained value by the average market price of Au in the

period. Average Au price in the period is the average of the monthly LME PM fix, average Sb price is the average of the monthly high and low Rotterdam warehouse prices,

and average Ag price is the average of the monthly London Broker’s silver spot price, all reported in www.metalbulletin.com. The monthly commodity prices are calculated as

the average of the daily prices, with holiday and weekend day prices carried forward from the last business day.

Au Eg. oz for each of the low range and high range guidance is calculated by multiplying (i) total Au oz by an assumed US$1,600/oz Au price, (ii) total Ag oz by an assumed

US$32.00/oz Ag price and (iii) total Sb tonnes times an assumed US$12,000/t Sb price, then, in each case, dividing by the assumed US$1,600/oz Au price.

Silver Equivalent Ounces CalculationAg Eq oz converted at 54/1 Au/Ag at metal prices: Ag price of $28.92 and Au price of $1,578.00