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IMDEX Inc.
Juanicipio
SIZE MATTERS… BUT
GRADE MATTERS MORE
Dr. Peter K.M. Megaw
IMDEX Inc. MAG Silver
Academy & Finance Geneva & Zurich, Switzerland June, 2012
Or: How to sleep at night during soft markets
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The Market
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INVESTING IN TODAYS MARKETS
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It’s All About…Clearing the Bar…
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Archie’s Rule
For a Project to be economic long-term you must
Recover Twice your all-in Production Costs
This Rule of Thumb Covers 1. Recovery of Capital Expenditures 2. Time value of investment 3. Depletion, Depreciation, Amortization 4. Buffer for metal price fluctuations 5. Increased costs 6. Minimum Profit Margin 7. Plus…A little breathing room
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A Note on “Silver Equivalence”
Often Misleading… Moving Target Prices Used? Gold OK Lead and Zinc do NOT behave like Silver in the Market So why equate them? Call a By-Product a By-Product
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High-Grade Underground vs Low-Grade Open Pit
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Archie’s Rule: Underground
NSR = 2X ALL-IN COSTS
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There Will Be Grade
9
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4 $ 5 $ 6 $ 7 $ 8 $ 9 $ 10 $ 11 $ 12 $ 13 $ 14 $ 15 $ 16 $ 17 $ 18 $ 19 $ 20 $ 21 $ 22 $ 23 $ 24 $ 25$ 26$ 27$ 28$ 29$ 30$ 31$ 32$ 33$ 34$ 35$
Silv
er
Gra
de
in g
ram
s p
er
ton
NSR = 2 x Operating Cost
Silver Price 50 $ Operating Cost 60 $ Operating Cost
20% OPEX increase
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Archie’s Rule: Open Pit
NSR = 2X ALL-IN COSTS
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Clearing the Bar: But By How Much?
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Archie’s Rule: Exploration
Working from what you have found …or expect to find Archie tells you what you must be able to extract it for… And how comfortably it flies
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Archie’s Rule: Exploitation
Working from known costs and recovery parameters Archie tells you what grade you must be able to extract And how much leeway you have
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Moving the Bar
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Archie’s Rule: Underground
NSR = 2X ALL-IN COSTS
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Archie’s Rule: Open Pit
NSR = 2X ALL-IN COSTS
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Archie’s Rule: Everything
NSR = 2X ALL-IN COSTS
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High-Grade Underground vs Low-Grade Open Pit
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Grade…and Size…Best of All!
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Strathcona Mineral Services - Global Resources
Resources Tonnes
Silver g/t (Ounces per
ton)
Silver
ounces (Millions)
Gold
g/t
Lead
%
Zinc
%
Lead
Mlbs.
Zinc
Mlbs.
NSR*
US$ /
tonne
Total
Indicated (includes Footwall
and Hanging Wall
Vein 1)
5.7 702 128 1.9 2.1 4.2 346 268
Total Inferred (includes Footwall 2,
Hanging Wall 1,
Stock-work and
Juanicipio Vein)
4.3 513 71 1.4 1.6 3.0 192 152
20
Juanicipio Project – 2011 Resource Estimation / 100 g/t Cut-off
64% of Silver ounces in indicated category, 36% in inferred category
Cautionary Note to Investors Concerning Estimates of Indicated Resources This presentation uses the term "Indicated Resources". MAG advises investors that although this term is recognized and required by Canadian regulations (under
National Instrument 43-101 Standards of Disclosure for Mineral Projects), the U.S. Securities and Exchange Commission does not recognize this term. Investors are cautioned not to assume that any part or all of mineral deposits in this category will ever be converted into reserves.
Cautionary Note to Investors Concerning Estimates of Inferred Resources This presentation uses the term "Inferred Resources". MAG advises investors that although this term is recognized and required by Canadian regulations (under National
Instrument 43-101 Standards of Disclosure for Mineral Projects), the U.S. Securities and Exchange Commission does not recognize this term. Investors are cautioned not to assume that any part or all of the mineral deposits in this category will ever be converted into reserves. In addition, "Inferred Resources" have a great amount of uncertainty as to their existence, and economic and legal feasibility. It cannot be assumed that all or any part of an Inferred Mineral Resource will ever be upgraded to a higher category. Under Canadian rules, estimates of Inferred Mineral Resources may not form the basis of feasibility or pre-feasibility studies, or economic studies except for Preliminary Assessment as defined under Canadian National Instrument 43-101. Investors are cautioned not to assume that part or all of an Inferred Resource exists, or is economically or legally mineable.
Ag - $23.39/oz; Au - $1,257 /oz; Pb - $0.95/lb; Zn - $0.91/lb
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Archie’s Rule: Underground
21
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4 $ 5 $ 6 $ 7 $ 8 $ 9 $ 10 $ 11 $ 12 $ 13 $ 14 $ 15 $ 16 $ 17 $ 18 $ 19 $ 20 $ 21 $ 22 $ 23 $ 24 $ 25$ 26$ 27$ 28$ 29$ 30$ 31$ 32$ 33$ 34$ 35$
Silv
er
Gra
de
in g
ram
s p
er
ton
NSR = 2 x Operating Cost
Silver Price 50 $ Operating Cost 60 $ Operating Cost
Valdecanas Grade 630 g/t Ag
$6.50 Spread
$1.0 Spread
20% OPEX increase
$3.50 Spread
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How Big Can they Get? Market Cap vs Ounces
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Clearing the Bar is EVERYTHING…Because
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NOT Clearing the Bar…Is UNACCEPTABLE
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But Closing the Bar…Has It’s Place Too!
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IMDEX Inc.
Academy & Finance Geneva & Zurich, Switzerland June, 2012
Juanicipio
Peter K.M. Megaw
IMDEX Inc. MAG Silver
Thank You