Adex Mining Inc.Meeting global demand for

specialty metals

Forward-looking statements

Certain statements in this Presentation may constitute “forward-looking” statements which involve known and unknown risks,uncertainties and other factors which may cause the actual results, performance or achievements of the Corporation, or theindustry in which it operates, to be materially different from any future results, performance or achievements expressed or impliedby such forward looking statements. When used in this Presentation, such statements use words such as “may”, “will”, “expect”,“believe”, “plan” and other similar terminology. These statements reflect management’s current expectations regarding futureevents and operating performance and speak only as of the date of this Presentation. These forward-looking statements involve anumber of risks and uncertainties, including those related to: (i) the Corporation’s limited operating history; (ii) the nature of theCorporation’s business being highly speculative; (iii) substantial additional expenditures being required to establish eitherresources or reserves on mineral properties; (iv) barriers to commercial production; (vi) requirements for additional capital; (vii)fluctuations in commodity prices and exchange rates; (viii) dependence on key officers, consultants and employees; (ix) potentialdefects in title to the Corporation’s properties; (x) maintaining the Corporation’s interests in its properties; (xi) external marketfactors; (xii) governmental and regulatory requirements; (xiii) environmental regulations; (xiv) conflicts of interest; (xv) uninsuredrisks; (xvi) competition to acquire additional properties; (xvii) lack of dividends; and (xviii) the absence of a public market for theCommon Shares.

New risk factors may arise from time to time and it is not possible for management of the Corporation to predict all of those riskfactors or the extent to which any factor or combination of factors may cause actual results, performance or achievements of theCorporation to be materially different from those contained in forward-looking statements. Given these risks and uncertainties,investors should not place undue reliance on forward-looking statements as a prediction of actual results. Although the forward-looking statements contained in this Presentation are based upon what management believes to be reasonable assumptions, theCorporation cannot assure investors that actual results will be consistent with these forward-looking statements. These forward-looking statements are made as of the date of this Presentation, and the Corporation assumes no obligations to update or revisethem to reflect new events or circumstances.

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Adex Mining Inc. – TSX-V: ADE

• Adex is a Canadian mining company• Focus: to develop specialty metals at the Mount

Pleasant Mine in New Brunswick, Canada• Total 15-year revenue: Cdn $2.8 billion• World’s largest indium resource• North America’s largest tin resource

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Location

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Property View

Fire Tower Zone

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North Zone

Tailings Pond

Mine Site

Mine site

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Office Building

Mill

Conveyors &Ore Storage

Maintenance

Infrastructure

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A rich metals inventory

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Strong demandNORTH ZONEIndium• Flat-panel displays - mobile phones,

computers, TVs• Next generation of photovoltaic cells

Tin• Solder, tinplate, and other industrial uses• Organotin compounds in PVC plastics• Minable tin may run out in 20 years

Zinc• Strong future Chinese demand, attributable to

the automotive sector’s need for galvanizedsteel

• Also used as a white pigment in paint, a fireretardant and wood preservative

FIRE TOWER ZONETungsten• Has the highest melting point of any metal• Used in drill bits, saw blades, ammunition,

chrome-plating substitute, jewelry,incandescent light bulbs

• Nose cone of the X51A hypersonic vehicle

Molybdenum• Specialty Steels• Moly-based lubricants for exploration drilling• Nuclear reactor condenser tubes (new

application)• Has the sixth-highest melting point; forms

hard, stable carbides

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Strong demand

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Indium

Future Price TrendsIndium – prices to remain stable, could move higher based onrare earth trade warTin – prices to remain high or even move higher based on tightsupplyZinc – prices to remain in the $2.50 per kg range, based onstagnant world economy

Prices quoted – US$ per kg – average price per month

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Strong demand

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0102030405060708090

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Molybdenum

Future Price TrendsTungsten – recent price increase a result of Chinaexport quotas, long term prices expected $250-$300Molybdenum – good supply of moly long term willkeep price stable in the $40 range

Prices quoted – APT US$ per 10 Kg, Moly US$ per Kg –average price per month

Resource summary

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Infrastructure

• Fully developed mine workings (FTZ)• Crushing and processing complex• Administration building, maintenance shops,

warehouse, ore storage, etc.• On-site power and water distribution• Established tailings pond• Estimated replacement cost Cdn $84 million

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Completed• Identified 18.5 million tonnes indicated and inferred (43-101 compliant

estimate), drill program and revised resource estimation underway to defineindicated mineable blocks

• Finished preliminary economic assessment in January 2010• Mine and mill plan completeUnderway• Piloting tin and indium–zinc concentrate production – SGS• Piloting zinc metal and indium sponge production – Thibault• Drill program and revised resource estimation to define indicated mineable

blocks• Tin smelting viability assessment - XstrataUpcoming• Definitive feasibility study – end of 2011• Production decision – 2012

North Zone – Status

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NZ – Production stats

From 2010Preliminary Economic Assessment (PEA)

TinConcentrate

ZincMetal

IndiumSponge

In the mill

Feed grade 0.71% 1.82% 183 g/t

Concentrate grade 46% 50% 4,900 g/t

Metal recovery 75% 79% 75%

Final products

Total production 3,200 t/y 4,000 t/y 40 t/y

Price - 2010 PEA ($US/kg) 14.70 2.45 580

Estimated revenue 2010 - PEA ($Cdn) $39.2 million $9.4 million $21.2 million

Current

Current price ($US/kg) 31.36 2.35 652.5

Revenue $39.2 million $9.4 million $21.2 million

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North Zone – FinancialsPreliminary

AssessmentCurrent Financial

Model

Mine life – currentplan

10 years 19 years

Production rate 850 t/d 850 t/d to 2,400 t/dafter year 10

(Cdn $ Millions) (Cdn $ Millions)

Pre-productioncapital

71 71

Annual revenue 48 69.8

Annual operatingcost

23 23

Annual cash flow 25 46.9

Pre-tax NPV @ 8% 80 230.2

Pre-tax IRR (equity) 29% 39.9%

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North Zone Process

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Overview ofMetallurgicalFlowsheet

North Zone Process

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Overview ofHydrometallurgicalProcess

Completed• Identified 14.3 million tonnes indicated and inferred (43-101

compliant estimate)• Finished preliminary economic assessment 2008• Bench-test moly oxide hydromet – SGS (Lakefield)• Mine and mill plan completeUpcoming• Pilot plant test work – late 2011• Definitive feasibility – 2012• Production decision – 2013

Fire Tower Zone – Status

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FTZ – Production statsFrom 2008Preliminary Economic Assessment (PEA)

Tungsten MolybdenumConcentrate

In the mill WO3 MoS2

Feed grade 0.33% 0.21%

Concentrate grade 30% 80%

Metal recovery 82% 76%

Final products APT MoS2

Total production 1,900 t/y 1,100 t/y

Price - 2008 PEA ($US/kg) 21.5 51

Estimated revenue PEA ($Cdn) $40 million $52 million

Current

Current price ($US/kg) 40.5 37.2

Revenue $79 million $39.8 million

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Fire Tower Zone – FinancialsPreliminary

AssessmentCurrent Financial

ModelMine life – current plan 12 years 12 yearsProduction rate 2,400 t/d 2,400 t/d

(Cdn $ Millions) (Cdn $ Millions)

Pre-production capital 130 130

Annual revenue 92 118.8Annual operating cost 49 49Annual cash flow 46 69.3Pre-tax NPV @ 8% 164 262.9Pre-tax IRR 27% 37.4%

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Milestones

Collected bulk sample for NZpilot plant test work

Completed preliminary bench-scale assessmentof tin and indium-zinc concentrates

Completed bench-scale testing of zincmetal and indium sponge hydromet

process

Completed a flow-through share offering forjust over $1M

Developed a staged approach to fullproduction of NZ and FTZ

Completed preliminary assessment(scoping) on Sn-In-Zn at NZ

Updated 43-101 compliant resourceestimate for NZ

2009

Completed 2008 drilling program, includingmore than 13,000m of drilling

Updated NI 43-101 compliant resourceestimate for the Fire Tower Zone

2008

Completed mineralogy study on NZ resourcezones

Completed scoping study on tungsten-molybdenum FTZ

Completed bench-scale testing of conceptualtungsten gravity flowsheet

Completed bench-scale testing of conceptual tingravity flowsheet

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Milestones

Pilot plant program – production of tinand indium-zinc concentrates

Pilot plant program – production ofindium sponge and zinc metal

2010-2011

Conclude concentrate and metal off-takesales contracts

Confirmation drilling and upgrade of NZ inferredresources to indicated resources

NZ definitive feasibility study

Commence bench-scale and pilot metallurgicaltest work for FTZ

Production decision - NZ

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$10 million$10 million

$50 million$50 million

$5 million$5 million

$5 million$5 million

Mount Pleasant development history

Activity 1960’s 2007 -08

1975 -85 1985 - 90 1992 - 97

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th Z

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Fire

Tow

erZo

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$150 million$150 million

600’ adit development for tinno production achieved

LAC Minerals – North Zonedecline and tin drilling

Adex – tin feasibility

Adex – preliminary assessmentbasic metallurgical test work,drilling

Billiton – tungsten minedevelopment and operation

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$5 million$5 million

Adex – drilling

2009 -10

$3 million$3 million

Adex – preliminary assessment,detailed metallurgical test work

$5 million$5 million

$71 million$71 million

$5 million$5 million

$130 million$130 million

Mount Pleasant development plan

Pre-production capital – North Zone: Cdn $71 million; Fire Tower Zone: Cdn $130 million

Activity 2011 20152012 2013 2014

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one $2 million$2 million

Feasibility study

Construction

Commence production

Feasibility study

Construction

Commence production

Metallurgical test work

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Leadership teamJ. Errol Farr, CMA President and

CEO, DirectorMr. Farr is a seasoned executive with over 15 years ofexperience in finance, accounting and operations withpublicly listed junior mining companies. Mr. Farr hasbeen involved with Adex Mining Inc. since itsacquisition of Mount Pleasant in 1995.

Victor HendrickenBEd, MEd

Vice-PresidentOperations

Mr. Hendricken has nearly three decades of hands-onexperience in the operation of mines and millingplants, including as Mill General Foreman at the MountPleasant Mine. Mr. Hendricken was also a technicalconsultant for the Beaver Brook Antimony Mine inNewfoundland.

J. Dean ThibaultPEng, MSc

SeniorConsultantMetallurgy andEnvironmentalPlanning

Mr. Thibault has worked and consulted with BHP, GulfCanada, Inco Smelter Division, Iron Ore of Canada,Syncrude, Rio Tinto and Tiberon Resources. His areasof expertise include development of mineral extractionflowsheets and environmental management plans, aswell as design and construction of metallurgicalfacilities.

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Leadership teamWilliam (Bill) B.BurtonBSc (Hon.)Geology

TechnicalAdvisor,Director

Mr. W.B. Burton founded Adex in 1993 and was CEOfrom 1994 to 1998. He has worked extensively with anumber of publicly traded mining and industrialcompanies. Mr. Burton is also a director of ErdeneGold Inc. (TSX: ERD).

William (Will) C.BurtonBBA, CA

CFO Mr. W.C. Burton serves as the Chief Financial Officerof Adex Mining Inc. and has extensive public companyaccounting and audit experience. He also serves asChief Financial Officer of MagIndustries Corp. andpreviously worked as an audit manager with Deloitte &Touche LLP.

Trevor BoydPhD, PGeo

ProjectManager forExplorationand Drilling

Dr. Boyd is a professionally designated geologist withtwo decades of resource-industry experience. He is aqualified person ("QP") for the purposes of NationalInstrument 43-101 – Standards of Disclosure forMineral Projects of the Canadian SecuritiesAdministrators.

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Financial informationShare structureas ofApr. 12th, 2011

Issued and outstanding shares 137,211,441Fully diluted share structure 193,615,355

Fully diluted marketcapitalization

$43,563,459

Current share price $ 0.22

52-week range Cdn $0.385–$ 0.08

Debt None

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Summary of investment opportunity

• Excellent location• Established infrastructure• Stable political environment• Low-risk strategies for staged development and

financing• Predictable yields at target grade• Well-timed to take advantage of economic recovery

and growth

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For more information

Please contact:Errol Farr, President and CEOAdex Mining Inc.67 Yonge Street, Suite 1402Toronto, Ontario, M5E 1J8efarr@adexmining.com1-416-941-9663

Investor Relations1-866-508-2339investorrelations@adexmining.comwww.adexmining.com

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